PROPOSAL FOR REVIEW
Project Title: China: Promoting Methane Recovery and Utilization
from Mixed Municipal Refuse
GEF Focal Area: Global Warming Mitigation
GEF Eligibility [x] Eligible under financial mechanism of UNFCCC;
Date of Ratification of FCCC, January 5, 1993
Total project costs: $19,570,000
GEF Financing $5.285 million
Government In-kind Contribution to the Project
counterpart
financing of GEF
Component:
Cofinancing/ $14.28 million
Parallel financing:
Associated Project: not applicable
GEF Operational Mr. Yang Jinlin, Ministry of Finance
Focal Point
GEF Implementing UNDP
Agency:
Executing Agency: Government of China
Local Counterpart National Environmental Protection Agency (NEPA)
Agency:
Estimated approval October 1996
date:
Project Duration 4 years
GEF Preparation Cost $25,000
PROMOTING METHANE RECOVERY AND UTILIZATION FROM MIXED MUNICIPAL
REFUSEBACKGROUND
- China's population has lived largely in rural areas in the past, and its
widespread use of composting techniques in agriculture has contributed to slow
growth of organic refuse. Due to China's trend toward increasing
industrialization, and accompanying urbanization, consumption and waste
production patterns are changing. Previously 80% of urban solid waste was
industrial in nature, mostly coal waste materials, and though the non-organic
proportion of urban waste remains high, an increasing percentage is now
composed of biodegradable material due to rising waste from households.
- The waste output from China's cities is currently more than 80 million
tons per year, which is increasing at an annual rate of 10%. By 1988, 6.6
billion tons of untreated solid waste had accumulated, occupying 55,400
hectares of land. National authorities estimate methane emissions from
municipal waste to be in excess of 1 million tons per year, which will
increase as China's municipal wastes, and their organic content, increase.
- China has little experience with comprehensive solid waste management, or
sanitary landfill practices, which currently characterize less than 8.3% of
all sites. Most of China's waste sites are open pits located on the urban
fringes, in stream or river valleys or on 'marginal lands' such as wetlands
where mixed municipal wastes are deposited. This uncontrolled dumping has
created breeding grounds for mosquitoes, other disease spreading insects, and
rats. Ground water and drinking water aquifers are severely polluted in these
areas; odors and trace toxic gasses affect the health of the surrounding
population; and the land has been rendered useless for other purposes. China,
due to its large population, low availability of arable land and increasing
urbanization cannot, for practical purposes, continue to pursue a land
extensive, unmanaged approach to waste disposal.
- It has been estimated that methane emissions from landfills will rise
steeply in the next few decades being one of the fastest growing sectoral
source of greenhouse gases in China. Firstly the total amount of waste
will increase in the future. China has over fifty cities with population over
1 million official inhabitants each. A number of these have population in
excess of 10 million (Beijing, Shanghai, Tianjin). The trends of rural to
urban migration, population growth and industrialization in China suggest,
that the number and size of urban centres will continue to grow rapidly in
future, increasing the subset of cities which could support the dissemination
of methane recovery technology. Secondly, the organic content of the
waste will increase. The third and most relevant is the issue of the
Government's commitment to waste disposal through sanitary landfills.
- In 1992, recognizing its own economic and environmental interest, China
set a goal to dispose 60% of municipal refuse in sanitary landfills by the
year 2000. Accordingly, Chapter 19 of China's Agenda 21 Action Plan calls for
the formulation of laws and regulations governing environmentally sound
management of municipal solid waste. More recently, the National Environment
Protection Agency has elaborated the China TransCentury Green Programme to
state China's environmental investment priorities during the Ninth Five Year
Plan period (19962000). The Green Programme identifies five key sectors for
environmental investment and lists priority investment projects to be
undertaken during the plan period through support from central, provincial and
municipal government financing. The programme of solid waste pollution control
projects is the third priority category following water and atmospheric
pollution. Within the programme 8.8 billion Chinese yuan (US$ 1 billion) are
targeted for solid waste management. Industrial solid waste of 620 million
tons per year is produced in China, while urban domestic solid waste accounts
for an additional 100 million tons.
- The proposed GEF Methane Recovery project directly supports the solid
waste management objectives outlined in the Green Programme through the
demonstration of new and energy efficient technology in China. Control of
methane emissions from the existing and planned landfills, which is the
purpose of this project, will benefit both China and the world, since it will
generate electricity for the country and help stabilize global climate change
by reducing the release of a potent greenhouse gas (GHG). Of the available
methane, that comprises half of the gas being emitted from landfills and
dumps, a very small portion is being captured and used productively today.
Controlling methane emissions will require improved landfill construction, and
landfill gas collection and utilization, in addition to the construction of
sanitary landfills. STATE OF PREPARATION
- Methane harvesting from solid waste landfills in industrialized countries
is a mature practice. Gas from a landfill in New York is upgraded to pipeline
quality and used to provide energy equivalent for heating 10,000 homes in
winter. The largest US waste management firms routinely recover and use the
landfill gas from all of their sites as soon as they are closed. A large
landfill located in a canyon in Los Angeles accepts about 12,000 tons of
refuse per day. Since 1987 its landfill gas has been used to generate several
million Kwh per year of electricity in a power plant built on site. Landfill
gas recovery is actively encouraged in the US as public policy: there has been
a tax incentive in place for several years for each unit of energy recovered,
and soon gas recovery will be mandated for certain landfills. Methane recovery
projects are being operated in many countries including Germany, UK, Sweden,
France, Denmark, Japan, Brazil, and Chile.
- While no landfill gas projects have been developed in China, domestic
researchers have in recent years studied the feasibility of anaerobic
treatment systems for a variety of municipal, industrial, and agricultural
waste products including municipal refuse. Work has been done at the Beijing
Environmental Sanitation Research Institute, the Chengdu Organism Institute
under the Chinese Academy of Sciences, and the Organism Engineering Center in
Wuhan University.
- The National Environmental Protection Agency (NEPA) feels that to promote
the practice of recovering and using landfill gas it will be necessary to
identify, analyze, recommend, and conduct trials on methane conversion methods
that are appropriate to the variety of conditions in China. NEPA has worked
closely with the three cities interested in the proposed project and has
gained their cooperation. A GEF landfill gas expert has completed a mission to
China and has reported on the feasibility of the project. BARRIERS TO
LANDFILL GAS CAPTURE AND UTILIZATION IN CHINA:
- There are two types of barriers to the practice of landfill gas capture
and methane gas utilization in China. The first barrier is technological since
this practice has not been attempted earlier in China. Lack of and access to
information on landfill gas recovery technology, lack of experience of
designing, construction and operating gas recovery plants, and high costs of
imported technology are some of the technical barriers that this project will
address. The Chinese need to gain experience with pipe design, layout, removal
of moisture and non-methane components, managing surges in gas supply, etc.
The second type of barrier is institutional management of landfill gas
resource in China because of lack of definition of institutional
responsibility and resource ownership. As in the case of coal bed methane, it
is unclear as to who owns the resource, and how the municipal, provincial and
national institutions should cooperate with private industry and the
households to harvest this resource to everyone's benefit. The formulation of
specific laws and regulations that may govern such relations are yet to be
developed fully and systematically. The current municipal waste management
systems and operational mechanism cannot meet requirements of the market
economy.
- Overcoming these two barriers are important for the viability of the pilot
plants and their successful technical and managerial performance. Replication
of these plans requires that NEPA in coordination with equipment manufacturers
and suppliers, and financiers, take responsibility for the effective
utilization of the demonstrated processes elsewhere in the country. Profitable
operation of the pilot plants in a manner convincing to other municipal waste
managers will be crucial to this task.
- The project is expected to overcome these barriers by: (a) gaining
experience in identifying, designing, constructing and operating landfill gas
recovery and utilization plants in China by constructing and operating three
pilot plants in three different sites at Anshan, Maanshan, and Nanjing. (b)
training national staff to undertake the above functions over time. (c)
building capacity through experiences gained, and bringing in conditions that
will promote indigenous enterprises that will build and operate recovery
systems and utilize energy. Domestic manufacturing of equipments will aim at
lowering the costs of technology. (d) promoting its acceptance among local
decision makers and demonstrate it as a viable measure that produces energy as
well as reduces air, water and land pollution. This will create essential
incentives to develop further institutional and legal framework related to
landfill gas recovery technologies. (e) by developing an action plan based on
the experience from pilot plant, to promote wide spread replication and
adoption of landfill gas recovery technology in China. (f) strengthening
existing national institutes to enable them to disseminate the knowledge and
techniques learned during this project.PROJECT OBJECTIVESLong Term 13.
The long term objectives are to promote wide spread adoption of landfill gas
recovery technology in China based on the technical and organizational
experience gained from the three pilot landfills proposed in this project.
Specifically, these include (a) recovery of a resource that will reduce fossil
fuel use; (b) significant reduction of emissions of methane, a greenhouse gas;
(c) reduction in air, water, and land pollution associated with refuse
dumping; and (d) promotion of indigenous enterprises that will build and
operate recovery systems and utilize the energy.Short Term14. In order
to realize these objectives, the following short term objectives must be
reached: (a) test several gas recovery designs on small sections of three
existing landfills or dumps in order to maximize gas yield. (b) demonstrate
several gas utilization systems at the three small-scale trials; (c) use field
trial data to design, construct, and operate three full scale pilot landfill
gas recovery plants at sanitary landfills in Anshan, Maanshan, and Nanjing;
(d) develop an action plan to promote wide spread replication and adoption of
landfill gas recovery technology in China. (e) strengthen Beijing
Environmental Research Institute as a national center for methane recovery
research and dissemination, that will disseminate the knowledge and techniques
learned during this project. The Center will provide valuable information and
assistance to municipalities and businesses in China.PROJECT
DESCRIPTIONStrategy15. Landfill gas recovery has not been attempted in
China thus far, but the Chinese government recognizes its importance in
municipal waste disposal and wishes to recover the methane that will be
generated from landfills. The construction of a sanitary landfill for methane
production is different than that designed merely for waste disposal.
Challenges such as water collecting in pipework causing power surges, gas
shortfall, air ingress, leachate migration etc., have to be resolved, which
requires field trials of gas collection, utilization and power generation
systems. In addition, project developers, financiers, local planners, local
authorities, potential waste management companies, equipment suppliers, and
local residents are all stakeholders in such a scheme. Organizational
structures will have to be tested at each of the three sites in China to
address issues of concern to these groups, in order to spur the replication of
similar projects in other cities. This project will test and resolve resource-
and technology-specific barriers at each of the three pilot sites, and develop
organizational setups to overcome the institutional barriers. Not only will
valuable experience be gained with methane recovery practices, technology,
management approaches, resources recovery and economic management, the GEF
project will provide a basis to explore institutional roles and relationships
between the various agencies and levels of government involved. This is
particularly important due to the process of transition to the market economy
which China is undertaking. The output oriented central plan model of macro
management provided little by way of experience or motivation for waste
reduction or management. China hence lacks experience with management
practices which reflect economic and price incentives and which minimize
resources used for environmental management. The institutional context which
the project will provide to experiment with new modes of management is
particularly important from a public policy perspective in China. In the
absence of a GEF supported project, these roles would not be examined with
urban management responsibilities continuing to fall along conventional lines.
The project will also allow Chinese managers to learn about the sustainable
financing opportunities which methane recovery and distribution can generate
to support municipal solid waste management. This will have a very important
demonstration effect in China.16. After a brief phase of testing of gas
recovery designs on small sections of existing landfills and study-cum test of
methane generation conditions like analysis of waste parameters at the new
sites, the project resources will focus on three field trial sites where
recovery design can be tried and observed on landfills to determine which will
safely produce the highest and most consistent methane yields. After the trial
information has been analyzed, three full scale pilot plants will be built to
demonstrate methane recovery and a variety of productive uses of the fuel
resource. The pilot plants will be constructed at sanitary landfills that meet
NEPA standards. NEPA will then be able to use the three sites to display the
latest standard in solid waste disposal for other cities in China. It will
also create a permanent Center to continue researching methane recovery and
utilization methods and to disseminate this expertise to those cities starting
new plants. 17. The creation of an action plan and its implementation to
disseminate the results of the pilot plant operations are critical and
important phases of the project. China has 50 cities with a population over 1
million each. A number of these have populations in excess of 10 million
(Beijing, Shanghai, Tianjin). It would be reasonable to expect that the
administrative and financial base of these cities of over one million could
support the dissemination of the administrative approach and technology
demonstrated through the GEF project over the next 1020 year period. The
trends of rural to urban migration, population growth and industrialization in
China suggest that the number and size of urban centres will continue to grow
rapidly in the future increasing further the subset of cities which could
support the dissemination of methane recovery technology.Descriptions of
locations of field trials and pilot plants 18. Both the NEPA and China
office of UNDP, which is the implementing agency, are located in Beijing. The
Beijing Environmental Research Institute which is expected to operate as the
National Center for Methane Recovery Research and Dissemination is also
located in Beijing. The three trials, as well as the three permanent
full-scale pilot plants, will be located at landfills in Anshan, Maanshan, and
Nanjing. The main reasons for choosing these three cities as demonstration
sites are as follows: (a) The waste streams from each city are very different
and represent different solid waste categories across China. The organic
content of the waste will vary from 60% in Anshan to 80% in Maanshan. The
landfills will be located at a distance of 5 km from Maanshan and 15 km from
Anshan. The methane percentage of landfill gas is expected to vary between 40
and 50% at each site. The three cities will generate refuse varying from 300
tonne per day (tpd) in Maanshan, to 800 tpd in Nanjing to 1200 tpd in Anshan.
The Waste composition of Nanjing city is more complex that the other two. (b)
The sites are different in terms of their age and level of technology/landfill
practices. Whereas the Anshan site is a new site where technology could be
designed into the landfill process from the bottom up, Nanjing is an existing
site where the challenges of technology introduction and changes in landfill
site management will be explored during the implementation of the project.
Maanshan is in an intermediate stage of its life cycle. (c) The amount and
method of leachate pollution control are very different in these cities. (d)
The geologic conditions of the three cities are very different. The geologic
conditions at Nanjing, Anshan and Maanshan are clay, stony and waste mine
quarries respectively. Hence, the engineering designs are different. (e) The
sites are in parts of China that are not only geographically distinct but are
from three very different types of cities that face different public policy
and management challenges related to what stage of the transition to the
market economy they find themselves in. Anshan in northeast China is
characterized by heavy industry comprised of State owned enterprises running
on the central plan model and which face an old style approach to municipal
management based on allocative and administrative decision making. Nanjing on
the other hand is a city more fully absorbed into the transition to the market
economy where business and commerce run on market and price signals more so
than on central planning. As such municipal planners and managers are more apt
to experiment with new gas pricing and land management practices. Thus the
institutional structures are different between the three sites, yet
representative of other Chinese cities. This GEF project can demonstrate the
benefits of landfill gas recovery in both the old and new contexts which are
both present in China during the economic transition process. (f) Each city
has performed primary research on gas recovery systems, and (g) Local
governments have paid more attention on this topic.19. These seven factors
mean that different demonstration effects can be achieved at the three sites
and technology could be compared for its effectiveness in different public
policy and financing contexts. 20. Local and municipal governments
increasingly bear the economic and administrative responsibility to provide
urban infrastructure and services including the provision of water and
sanitation services. While these governments have attended to developing urban
infrastructure and communication, less attention has been given to channelling
resources for "non-productive" local investments such as water and sewage
treatment and waste disposal and management. The main tax base for local
authorities stems from large state owned, and private enterprises. To date,
households and individuals bear little or no costs for the sanitation services
which are provided. As part of the pilot projects, new organizational
structures will be tested to change the tax or fee system, the way the
municipal government can access financing, the setting up of companies to
manage gas collection and electricity generation etc., which will permit each
pilot plant to operate cost-effectively in the future. 21. A detailed profile
of each of these three cities is in Annex 1. Activities22. This project
consists of four activities:Activity 1Determine the best methods for
efficient extraction of gas from existing and new landfills. This involves the
following three steps: Activity 1.1: test several gas recovery designs on
small sections of existing landfills in order to optimize the yield of gas and
get information on exact volume of gas under various conditions. Activity 1.2:
Study and test designs at new sites. Activity 1:3: Apply from choices made in
the above two activities to field trials and test landfill gas collection
techniques and layouts at three sites. At least two forms of energy
utilization should be confirmed for use in China: electrical production using
internal combustion engine/generators, and direct transport of the
methane-carbon dioxide mixture to near by kilns or industrial boilers. The
plants will be small but useful for real-world demonstration using state of
the art equipment. Resources will not be spent on unnecessary structural or
site features. Information gathered at this stage will be useful for both
pilot site plant designs and for the action plan to be developed in the next
stage. The trials will operate for a sufficient duration to produce a full set
of data on varying operational conditions. The following is a list of design
factors, operating variables and outputs, among others, that will be studied.
Effect of fill height and density on gas yield and quality; Effect of leachate
recirculation on gas yield; Methane content and variability; Optimum blower
settings (flow and pressure); Gas yield per year per unit of fill volume;
Effect of clay cover thickness on yields; Effect on yield from wells with
horizontal branches; Off site gas migration data; Operational cost experience;
and Design features for permanent pilot plants. The most practical designs and
operating procedures will be transferred to permanent pilot plants for full
commercial utilization. Trained staff will be provided at each trial location
to operate and maintain the equipment, vary operating parameters, gather and
analyze data, make plant changes, work closely with energy purchasers, and
give detailed tours to visitors. The result of this task will be a complete
technical report from each installation and a coordinated report that will
link the data and will draw appropriate conclusions there from. Activity 2Design, Construction, and Operation of Three
Pilot Landfill Gas Recovery Facilities: Three pilot plants will be
constructed at NEPA-standard sanitary land fills at Anshan, Maanshan, and
Nanjing in order to fully demonstrate the field research and development trial
results. Design and construction funds for these landfills are being
provided by the cities themselves as part of the co-funding. The following
tasks will be performed at all three facilities: Activity 2.1: Review Existing
Landfilling Plans. It is possible that the landfilling plans done earlier for
the three facilities are not fully compatible with the criterion of maximum
landfill gas capture. For example, cell sequencing should permit one section
of the site to be brought to full elevation and capped so that methane
collection wells may be installed. Information from the trials may affect
disposal operating procedures such as compaction requirements, or installation
of horizontal well branches as filling proceeds. Plans and operating manuals
will be revised as needed. Activity 2.2: Design Landfill Gas Collection
System. This task will build upon the knowledge gained during the field
trials. A sequenced plan for each site will include a schedule of when each
section will be completed and ready for gas harvesting, and it will present a
table of expected energy yields over time. Activity 2.3: Select Energy
Recovery Plant Configuration. This task also builds on field trial
experiences. The type and capacity of system components will be selected.
Agreements will be reached with the intended fuel or electricity markets, and
a schedule for bringing on additional modules to use increasing gas supplies
will be prepared. Design, construct and start first stage Environmental and
other needed permits will be obtained. Detailed plant designs will include
ample viewing access for visitors interested in replication of the systems.
Space will be provided for adding system modules. It is expected that all
three systems will be operating, at least under part load conditions before
the four year project duration has elapsed. Full operation will be phased in
by the cities over a number of years. Activity 3:Strengthen the National
Center for Methane Recovery and Dissemination.The Beijing Environmental
Research Institute will be strengthened to continue the task of
maintaining,and assimilating the outputs from earlier 3 activities. It will
become a permanent centre called the National Center for Methane Recovery
Research and Dissemination. This facility will be the primary means to train
personnel from cities interested in building methane recovery plants. It will
disseminate knowledge and techniques learned during this project, and later,
to all areas of China and to other developing countries. It will produce
videos of pilot plants and provide summaries of studies, reports, designs, and
new developments to all interested parties. It will keep up with world
developments, set up regular training programs, and manage a resource of
reports, software packages, videos, and other materials from around the world.
The manufacturers, private entrepreneurs and financiers will be involved in
the dissemination programmes and task force groups to enable them free access
to the modalities, and activities of the project and come up with viable
systems at the end of the project. Activity 4: Development of an
Action Plan to Promote Widespread Adoption of Landfill Gas Recovery
Technology.The information collected from the three demonstration projects
will be used as the basis for the National Environmental Protection Agency to
develop an action plan to promote widespread adoption of methane recovery from
sanitary landfills in China. The action plan will have the following major
elements: Activity 4.1: Formulate National policy, regulations and standards
for methne recovery from sanitary landfills. Activity 4.2: Establish financial
aid or other incentive policy for municipalities to adopt methane recovery
system. Activity 4.3: Provide technical assistance to municipalities and
private sector entrepreneurs in the planning, design, construction, and
operation of methane recovery systems.China has set a goal that by the year
2000, 60% of all municipal refuse should be disposed in sanitary landfills.
The action plan will spur the adoption of methane recovery by most of these
landfills.Outputs23. The output of these four activities will be: a (1)
body of knowledge on efficient methods to reduce methane emissions from the
nation's landfills and practical ways to utilize the recovered energy in the
context of the China economy; (2) number of small and commercial-scale
landfill gas recovery demonstration plants; (3) identified local entrepreneurs
and partners for commercial management of landfill and power generation sites.
(4) number of engineers, operators, and managers who will have gained first
hand experience in landfill gas recovery; and (5) a permanent center to update
and disseminate the knowledge required to facilitate methane recovery in large
numbers of Chinese cities.INSTITUTIONAL ARRANGEMENTS FOR PROJECT
DEVELOPMENT AND IMPLEMENTATION24. A number of national, local, and foreign
entities will be responsible for developing, managing, and implementing the
project. Their roles are summarized below: (a) UNDP. The UNDP will provide
overall leadership and management from its in-country office in Beijing. In
addition, the project will benefit from the worldwide experience of other UN
agencies such as UNEP, and UNIDO. (b) NEPA. The National Environmental
Protection Agency has formulated and coordinated this project from its
inception, and it will continue to play that role. NEPA will review all
activities for technical quality, economic efficiency, organizational
performance, and adherence to national environmental laws and policies. NEPA
will rely on other national agencies and ministries such as agriculture and
energy. (c) City Governments. The pilot plant host cities have already
organized task forces for the project that link the Environmental Protection
Bureaus (EPB's), with the sanitation, and construction departments under the
leadership of a deputy mayor. These organizations will plan and implement the
field trials and the pilot plants. It is anticipated that city personnel will
play a major role in operating the methane plants, although the possible role
of NGOs will be evaluated during the project. The cities will perform under
NEPA direction. Beijing will appoint a city department to manage the field
trial in that city. (d) NGOs. Both NEPA and the cities will rely heavily on a
variety of institutes, universities, and private consultants to perform much
of the study, research design, and engineering work involved in every phase of
the project. The work will be let out on a competitive basis. (e) Private
manufacturers and financiers. At each of the three pilot sites, private
manufacturers and financiers will collaborate with NEPA, city governments and
NGOs to help decide the best equipment and financing schemes that could be set
up so as to be able to replicate the pilot projects elsewhere in China. (d)
The owners and operators of the landfill will negotiate a power purchase
agreement with the electricity bureau and/or an neighboring industry
interested in purchasing power from the landfill plant. China has little or no
experience in negotiating such agreements at the moment and the project will
serve as a model for the purchase of electricity.DEVELOPMENT
DIMENSIONS25. The objectives of the landfill gas recovery project are in
accordance with China's environmental and energy policies. The project is
consistent with the country's Eighth and Ninth Five Year Plans which call for
demonstration technologies and comprehensive environmental programs at the
local level. In fact, the government is counting heavily upon this project to
initiate the gas recovery portion of its environmental strategy. 26. The
project provides the necessary technical skills that may be required to set up
large scale methane recovery projects which will be cost-effective in
introducing co-generation. The pilot plan scales are too small to introduce
waste heat recovery at a meaningful scale.27. The project also furthers UNDP
development themes such as sustainable development, exploitation of indigenous
resources, environmental improvement (both global and local), and technology
transfer of new industrial techniques.SOCIO-CULTURAL IMPACT28.
Widespread adoption of landfill gas recovery projects will result in at least
two positive changes to the citizens associated with or living nearby the
projects. First, the construction and operation of standard landfills and gas
recovery facilities will provide a number of medium skill jobs. Second,
methane is clean-burning fuel, and to the extent that it is used to replace
the use of coal, air pollution will decrease. No negative socio-cultural
impacts are anticipated.SUSTAINABILITY - INSTITUTIONAL, FINANCIAL, AND
HUMAN29. The recovery and use of a waste resource that is superior to the
resource it replaces is normally an easily sustainable activity. In this case
the national and local authorities strongly support landfill gas recovery, and
the economic conditions indicate (from preliminary analysis) that well run
recovery operations should realize positive cash flow. Design and operation
techniques are easily learned and replicated. In view of these factors,
large-scale replication of the pilot plants should have a strong chance of
occurring. Even when economic incentives are not clear-cut, city leaders are
likely to use other financial means to sustain plant operation. One other
factor that may enhance sustainability will be studied during the project, and
that is privatization of all or part of energy plant operations.LESSONS
LEARNT30. The project has the working example of the Coalbed Methane (CBM)
project in China.The UNDP pilot phase GEF project in CBM development was
instrumental in overcoming the basic issues of defining institutional
responsibility by providing a context for various entities to talk to each
other about concrete resources rather than domain and turf. A new CBM
development corporation drawing on three principal ministries is being set up
in China to handle CBM resources as a result of the CBM project. Methane
resource development is now a stated energy sector development in the 9th Five
Year Plan, mostly with respect to the coal sector so far. In the case of
municipal waste methane it is not clear as of now who owns it because it has
not been commercially (or otherwise ) harvested and applied. This means that
the new GEF project will provide the first opportunity with a practical
context for the Chinese agencies to explore this. The experience of the CBM
project in bringing together various institutions at different levels of
operation will serve as a valuable exercise to learn from.RATIONALE FOR GEF
SUPPORT31. Municipal refuse undergoing anaerobic decomposition in
landfills continuously emits greenhouse gasses, methane and carbon dioxide,
for decades. Methane will soon rival carbon dioxide as the most important
greenhouse gas. If this project is approved, the methane produced from three
landfills with annual inputs totalling almost one million tons of solid waste
per year will be captured and used. As most fuel uses in China will replace
coal, global warming will be mitigated in two other ways: decreased emissions
of carbon dioxide, and decreased methane escape from coal mining operations.
The net effect will be reduced methane from landfills and coal mines, reduced
carbon dioxide from power plant coal combustion, offset to a smaller extent by
increased carbon dioxide emissions from methane combustion at landfills (see
Table 1 below). 32. When the three landfills are full, the quantity of waste
in place will total about 16.8 million tons (metric). The amount of landfill
gas captured at those three sites would be approximately 518 million m3 at a
unit incremental cost of $4.52 per tonne of C equivalent (Table 1).
Table
1:
GHG
reduc
tion
Item Value Explanation
1. Landfill gas from the three 270 + 66 + 182 = Anshan+Maanshan+Nanj
sites (Mn. 3) 518 ing
2. Methane gas (Mn. m3) 518 * .5 = 259 50% landfill gas is
methane
3. Methane gas (Th. tonnes) 259 * .662 = 171 Density=
0.662 kg/m3
4. Methane gas avoided (Th. 171 * 6 = 1028 Radiative forcing
tonnes C equiv.) index=22
5. Methane combustion CO2 release 171 * 12 / 16=128
(Th. tonnes C)
6. CO2 avoided from coal 128 * 25.57 / Assume same thermal
combustion (Th. tonnes C) 14.47 = 227 efficiency of small
gas and large coal
power plants
7. Avoided coal mining methane 40 Assume 23.23
(Th. tonnes C) m3/tonne of Chinese
coal
8. Net avoided emissions (Th. 1028 - 128 +227 + Rows(4-5+6)
tonnes C) 40 = 1167
9. GEF funding (Mn. US $) 5.285
10 Cost-effectiveness ($/tonnes 4.52 Rows (9/8)
C)
33. The proposed project has the potential to reduce substantial quantities of
an important greenhouse gas, and it satisfies all GEF's generic criteria for
selection. The potential for nationwide methane recovery will be many times that
amount when plants are replicated throughout China. Even though the project has
significant global and national benefits, it is unlikely to be included in
China's development portfolio without GEF funding because of technical
uncertainty and the lack of trained personnel.34 Given the lack of sanitary
landfills in China, it is appropriate for GEF to assist the Chinese Government
to establish demonstration projects for the purpose of utilizing methane.LINKS
WITH CONVENTIONS35. China signed the Convention on Climate Change in 1992 in Rio
de Janeiro and ratified on January 5, 1993. The country supports capacity
building, technology transfers, and demonstrations for disseminating greenhouse
gas mitigation methods.INCREMENTAL COSTS36. Please see Annex
4.COST-EFFECTIVENESS37. The methane recovery and utilization program is
consistent with the Long-Term Measures component for removing implementation
barriers for technologies as defined in the GEF Operational Strategy. The unit
cost of the proposed project is below the range described in the GEF Operational
Strategy between $5.30 and $10 per tC. Thus at an incremental cost to GEF of
$4.52 per tC the project is worthy of being funded. 38. When future plants are
built according to methods learned at the pilot facilities, local domestic
benefits are expected to exceed domestic costs. This is because China will have
her own experiences in construction of landfills at that time and the equipment
can be made domestically. Domestic experts and technicians costs are much lower
than that in developed countries. Thus, once the practice of harvesting landfill
gas is firmly established in China, it will be sustainable either by market
incentives or by a combination of market and municipally funded incentives. To
reach that point the nation must carefully prepare for and experience a number
of substantial, modern, and full-scale demonstrations and disseminate the
knowledge gained. Only then can other cities confidently train their personnel
and construct their own plants.39. The cost to GEF of ensuring sustainability of
methane projects is more than just capacity building and training. It must
include a strong research phase to adjust for China differences and
commercial-scale operating facilities that will be used as continuing
demonstrations of the technology, its management, and its economic benefits.
This will further catalyze the spread of the new technologies and practices
throughout China.SPECIFIC ENVIRONMENTAL ISSUES ADDRESSED40. The widespread
introduction of landfill gas recovery will bring with it a number of local
environmental benefits. These will be in addition to the beneficial impacts of a
well-designed sanitary landfill that: prevents leachate from polluting ground
and surface waters and reduces disease-bearing vectors. The capture of landfill
gas will eliminate the noxious odors coming from the landfill and will destroy
trace toxic gasses that may exist in high enough concentrations to increase
cancer rates of local citizens. As a result of this project landfill gas is to
be used directly as a fuel or in engines to generate electricity. In China, that
normally means that coal will be replaced, so there will be significant
reductions in air emissions caused by burning coal. It has been estimated, based
on the 20 year estimated quantity of landfill gas which may be produced from the
Anshan, Maanshan and Nanjing Landfills assuming that the BTU value per pound of
coal is 9,000 and the BTU value per cubic meter of untreated landfill gas is
approximately 15,891 that approximately 238,367 tons (Anshan), 58,265 tons
(Maanshan) and 160,671 tons (Nanjing) of coal for a total of 457,296 tons of
coal could be replaced over the 20 years of landfill operation. This estimate is
of course variable because it does not take into account the power usage of the
plant and the possible enhancement of the landfill gas to increase the BTU value
above 450 BTU/SCF.INVOLVEMENT OF PRIVATE SECTOR AND LOCAL COMMUNITIES41. Local
communities will be involved in landfill gas recovery at several levels.
Initially most of the expertise will come from private foreign consultants. Much
of that knowledge will soon be passed on to Chinese consultants and institutes
such as the Beijing Environmental Sanitation Research Institute and the Anshan
Coking and Refractory Engineering Consulting Corp. NEPA will rely on such
resources to perform the first phase of this project on a competitive basis. In
later phases, foreign and national local bodies will be involved with designing
the trials and pilot plants. Equipment will be supplied by manufacturing
companies, initially foreign and later domestic. Some of the plant construction
may be performed by local builders. Landfill gas based electricity will be sold
to local enterprises, farmer cooperatives, and similar organizations. During the
full scale preparation of the project document, the details of power purchase
arrangements between producers and consumers will be addressed.42. During the
study phase possible roles of local enterprises and the private sector will be
studied. This may be the most efficient way to exploit economic incentives that
are built into landfill gas recovery during plant operation. Also the private
sector will be involved in financing future gas utilization plants, possibly
using joint-venture formats frequently used in Nanjing and other Chinese
cities.Budget43. The total budget for the project is US$5.285 million in GEF
funds and $14.28 million in counterpart funds. An indicative budget for the GEF
funds is presented below:
PROJECT BUDGET (US$
'000)
Consultant Training Equipment Install. & Totals
s Oper.
1. Field Trials 380* 50* 835 300 1,565
2. Three Pilot Plants 250* 150* 2,016 400 2,816
3. Strengthening R&D 150* 100* 200* 25* 475
Center
4. Action Plan 100* 75* 175
Subtotals 880 375 3,051 725 5,031
Monit. & Eval. (2%) 100
Support costs (3%) 154
TOTAL 5,285
* Incremental capacity building cost as cited in Annex 4. 44. The budget for
baseline funding of $10.77 million is shown in Annex 3. WORKPLAN45. This project
will be implemented over four years. Shown below are the approximate task
durations.
Project
Years
1 2 3 4
1.0 Field Trials
1.1 For Existing LF sites: Test Several Gas xx
Recovery Designs
1.2 For New LF sites: Study conditions of waste xxx
characterisation and Test Gas Recovery Designs
1.3 Coordinate and Apply Test Results of 1.1 & x xxxx xxxx
1.2
2. Three Pilot Plants xx xxxx xxxx
3. Strengthen Research & Dissem. Ctr. xx xxxx xxxx xxxx
4. Action Plan xx xxxx xxxx xxxx
Annexes1 Descriptions of locations of field trials and pilot plants 2 Landfill
Design Specifications3 Budget for Baseline Activities ($10.77 million)4
Incremental Cost Analysis5 Cost analysis for Power Generation6 Cost/benefit
analysis 7 Government Endorsement8 STAP Reviewer's Comments ANNEX 1 -
DESCRIPTIONS OF LOCATIONS OF FIELD TRIALS AND PILOT PLANTS Anshan Located in
Liaoning Province, Anshan is a northeastern city at 41 degrees north latitude.
It is the steel capital of China and has a population of about 1.35 million in
its urban center. Anshan produces "city" gas from coal gasification. By 1990,
its gas distribution network served 90% of the city, and district heating served
70%. Municipal refuse output averages 1,200 tons per day. Its organic content is
very high, over 60 percent, because it contains little coal ash (typically a
large waste component in northern Chinese cities) due to the availability of gas
for cooking and district heating. Anshan has been using the Gangguanling
Landfill for the past several years located about 10 Km outside the city. The
facility has not been designed or operated as a sanitary landfill, e.g. there is
no compaction, leachate collection, or application of daily cover. It must be
closed as soon as the new landfill is open. More than one million tons (metric)
have been deposited at this site at depths exceeding 12 meters in some places.
One gas extraction well has been producing landfill gas on an experimental basis
since 1990. The gas is used to complete combustion of medical wastes and to fire
a hot water boiler used to heat a greenhouse constructed on site. A new landfill
site located about 15 km from the city has been selected, tested, and purchased.
This facility will be designed as a sanitary landfill and will provide the gas
for Anshan's methane recovery pilot plant.Maanshan At 32 degrees north latitude,
Maanshan is located in the east of Anhui Province, on the bank of the Yangtze
River. Maanshan is also a steel city, ranking in the top ten in China. Its inner
city population of about 400,000 is 80% served with a gas distribution network.
The gas cooking and the very low heating requirements mean that very little coal
ash goes into the municipal waste stream. Thus the over 300 daily tonnage of
waste contains over 80% organic material. Waste tonnage is growing at about 10%
per year.In 1985 a landfill was built at Xiangshan, about 5 km north of the
city. It was not originally designed as a sanitary landfill, but construction is
underway to upgrade the new parts of the fill to national standards. A leachate
treatment plant will soon be built to treat leachate from both the old and new
sections of the facility. Eight landfill gas extraction wells have been
installed in the portion of the landfill that has been closed and capped. Gas
from one of these wells is used on a daily basis to heat hot water for showers
for sanitation workers and to fuel small stoves. NanjingLocated 50 km north of
Maanshan on the east bank of the Yangtze River, Nanjing is in the southwestern
corner of Jiangsu Province and is its capital. It a fast growing commercial,
manufacturing, and cultural city of about 3.6 million (urban only). Nanjing has
developed into a busy international trading center, attracting foreign
investments in its many ventures. It will soon be completing its international
airport. Nanjing's waste stream is currently more than 2000 tons per day and
growing. The city is building three new sanitary landfills in three different
directions from the center. Each will accept up to 800 tons per day at first.
The Jiaozishen Landfill is complete and is being used. It has a fully
operational leachate treatment plant. The Shuige Landfill, under construction
until mid-1994, has also begun to accept wastes. Construction is just starting
at the Tinajiawa Landfill. It is expected that either or both Jiaozishen and
Shuige will be the site of the field trials, and only one will be the site of
the full-scale pilot plant. ANNEX 2 - LANDFILL DESIGN SPECIFICATIONS Anshan
Maanshan Nanjing1. Total landfill are 36.3´104m2 13.3´104m2 24.8´104m22. Total
capacities of landfill 966´104m3 312´104m3 639´104m33. Municipal refuse
landfilled daily 1200t 300t 800t4. Municipal refuse landfilled annually 438´103t
110´103t 292´103t5. Municipal refuse landfilled for 20 years 8.76´106t 2.20´106t
5.84´106t6. Average Amount of landfill gas recovery daily* 3.7´104m3 0.9´104m3
2.5´104m37. Average amount of landfill gas recovery annually 13.51´106m3
3.29´106m3 9.13´106m38. Amount of landfill gas recovery for 20 years 270´106m3
66´106m3 182´106m39. Gas recovery starting after Landfill begins 2 years 2 year
2 year10. Landfill service duration 20 years 20 years 20 years11. Type of Power
generator 500 kw 300 kw 500 kw* landfill gas from municipal refuse contains
40--50% CH4. The uncertainty of amount of landfill gas recovery is ±10%. ANNEX 3
- BUDGET FOR BASELINE ACTIVITIESCost Estimates for Landfill Gas Recovery and
Utilization in Three Landfill Baseline:1. Garbage disposal and reconditioning of
land:Capital Cost* (in million RMB Yuan): Anshan Maanshan Nanjing1) Project
Preparation (Including site selection, feasibility, prospecting, EIA, design,
etc.) 1.50 0.80 1.002) Refuse Collection Vehicle 6.80 3.25 5.003) Transfer
Station 0 3.75 04) Land Acquisition 4.00 2.00 5.105) Construction of Roads,
Water and Electricity Supply 6.00 1.95 4.206) Construction of Landfill
(Including site construction, lining material) 16.00 5.00 9.007) Construction of
leaching Treatment Plant 4.00 2.00 3.008) Landfill closing and soil, vegetation
cover 5.00 1.30 2.00 Subtotal 43.30 20.05 29.30 TOTAL 92.65 Million Yuan RMB =
$10.77 millionAnnual operating cost(in million RMB Yuan): Anshan Maanshan
Nanjing1) Labor 0.50 0.16 0.402) Material(including fuel, electricity and Water)
0.70 0.20 0.503) Maintenance 0.30 0.10 0.164) Operation of Waste Water Plant
0.55 0.19 0.44 TOTAL 2.05 0.65 1.50* The costs of land acquisition in the
southern cities is higher than that in northern cities because of the shortage
of land. The costs of soil and vegetation in Anshan are higher than that in
Maanshan and Nanjing. ANNEX 4 - INCREMENTAL COSTS1. BROAD DEVELOPMENTAL
GOALSCHINA'S ENVIRONMENTAL DEVELOPMENT PROGRAMME AND PRIORITIES DURING THE NINTH
FIVE YEAR PLAN 1996 - 2000 and Chapter 19 of China's Agenda 21 Action Plan
provides for formulation of laws and regulations governing environmentally sound
management of municipal solid waste. The Green Programme for environmental
investment lists control of solid waste pollution as its' third priority
category. The present project fits in the overall scheme of pollution control
and power recovery from landfill projects set up during the Ninth Five Year Plan
period.2. BaselineThe installation and operation costs of the 3 sanitary
landfill pilot projects will be borne entirely by the Chinese Government. The
Chinese Government plans to build and operate sanitary landfills, in compliance
with national and provincial standards, in many cities in China. 3. Global
Environmental ObjectiveThe global environmental objective being pursued in this
project is the reduction of GHG's from methane emission from landfill methane
emission, in accordance with the goals of the Climate Change Convention. 4. GEF
AlternativesThe GEF alternative includes the activities described in the project
brief, namely efficient extraction of gas from old and new landfills through
design construction and operation of three pilot landfill gas recovery
facilities and increased information dissemination of such projects by
strengthening the Beijing Environmental Institute. The manufacturers, private
enterprises and financiers will be involved in the dissemination programme and
development of an Action Plan to promote widespread adoption of landfill gas
recovery techniques which will be incorporated into the Action Plan. 5. System
BoundaryFor the sake of this discussion, the China Waste Management and Recovery
System in the overall context of Chinese policy for pollution control
constitutes the system boundary.6. Additional Domestic BenefitFour benefits may
be identified from this project. Large scale waste management by municipal
authorities will have health benefits by reducing health hazards from land water
and air pollution. However, this benefit will accrue under both " with " and
"with-out" the GEF project on Methane Recovery. The other benefits are
associated with the information, technological improvement and training
component of this project. There will also be considerable potential for
professionals trained in waste management to filter out to numerous upcoming
landfill sites in the economy. A third area of domestic benefit would be the
likely involvement of private entrepreneurs, producers and financiers to get
involved in the future methane recovery process. The lack of such facilities
have been identified as a barrier to the project left to the initiatives of the
national government and should therefore be treated as cost towards barrier
removal through installations of the gas recovery projects. There will be a
decrease in pollution from any fossil fuel fired plants which will now be
avoided or delayed. This is directly under the purview of emission reduction
objective of the GEF and makes the project eligible for GEF funding.The direct
domestic benefit from sale of electricity and revenue collection ($5.10 million)
has been deducted from the calculation of incremental cost.7. CostsThe costs of
the project activities are taken to be approximately US$19.57 million. Since
there is a strong correlation between domestic benefits, baseline funding of
approximately US$14.25 million has been committed. 8. Incremental Cost MatrixFor
the purpose of methane collection and use, additional costs for a gas collection
system, including the pipes for collection and transportation of gases, pumps,
storage dams, purification and pretreatment equipment; electricity generation
facilities and other related equipment will be incurred. These costs are
incremental to the baseline cost of sanitary landfills, and amount to US $8.80
million. The incremental costs, however, will be partly offset by revenue
derived from the sale of electricity over the life of the project. Deducting the
present value of this amount ($5.10 million) from costs and adding the
incremental capacity building costs of the order of $1.47 million, the net GEF
incremental cost of the project will equal $5.285 million. The above sum will be
used to overcome the technological and institutional barriers to implementing a
landfill gas collection and utilization system. GEF is being requested to fund
this amount. The detailed calculations of incremental cost for the project are
shown in the attached annexes.The matrix is applied to the activities described
in paragraph 22 and Annex 4.
(1) Baseline (2) (3) Increment (4) Revenue (5) Net (6) (7) GEF
Alternative of (2) - (1) from sale Increment Capacity incremental
(inclusive of of (3) - (4) building cost
Power electricity costs (5) + (6)
Generation
Cost)
Costs (US$ Mn) 10.77 10.77 + 8.80 = 8.80 (see 5.10 (see 3.70 1.58 5.28
19.57 annex 6) annex 6)
Domestic Health 1. Health Incremental Revenue skill
Benefits advantages advantages benefits from sale formation
from from sanitary through of
sanitary landfill dissemination electricity
landfill 2. Revenue of Gas
from sale of Recovery
electricity techniques
and training
Global Negative Methane mitigation skill
Environmental benefit combustion scenario: formation
Benefits (i.e. release 128 Emission
(Th. tonnes of emissions Th. T of C reduced by
C) from 1167 (Th. T
landfill of C)
methane 1028
Th. T of C
equiv.) +
CO2 avoided
from coal
combustion
(227) +
avoided coal
mining
methane (40)
= 1295
9. AgreementThe Government of China has agreed to the financing arrangements
presented in this document. ANNEX 4 - INCREMENTAL COSTS (CONT.)Landfill gas
generation and collection(in million RMB Yuan)Capital Costs: Anshan Maanshan
Nanjing1). Extra Construction of Landfill* 3.00 1.00 2.002). Pipes 1.50 0.50
1.003). Exhauster 0.88 0.29 0.584). Boring 0.35 0.35 0.355). Gas Purification
0.90 0.30 0.606). Storage System 2.25 0.75 1.507). Extra Cover Material 2.00
0.70 1.508). Monitoring and Analysis Equipments 0.69 0.69 0.699). Other
Necessary Equipment** Excavator w-100 (4 sets) 1.54 0.77 0.77 8t Dumper (3 sets)
0.60 0.60 0.60 3.5t Dumper (8 sets) 1.20 0.60 0.60 Loading trucks 2L-40 (3 sets)
1.10 1.10 1.10 6 m3 forklift trucks (4 sets) 2.00 1.00 1.00 TOTAL 18.01 8.65
12.69Annual operating cost: Anshan Maanshan Nanjing1) Labor 0.20 0.13 0.162)
Material(including fuel, electricity and water) 0.55 0.10 0.353) Maintenance
0.25 0.10 0.15 TOTAL 1.00 0.33 0.66Annual Benefit: (If the landfill gas is sold
without to generate electricity.)1). Landfill gas recovery annually 13.51´106m3
3.29´106m3 9.13´106m32). Landfill gas price per m3(in RMB) 0.20 Yuan 0.24 Yuan
0.24 Yuan3). Annually revenue(in RMB Yuan) 2.70 million 0.79 million 2.19
million* The costs of construction of landfill and covers for landfill gas
recovery are different from original planed sanitary landfill, which need extra
engineering and material.** The three demonstrations need to purchase the
incremental necessary equipments from abroad in order to collect landfill gas,
these costs should be placed in incremental costs. ANNEX 5 - COST ANALYSIS FOR
POWER GENERATION3. Electricity generation*(in million RMB Yuan)Capital cost:
Anshan Maanshan Nanjing1) Generator 6.00 2.00 4.002) Waste Heat Boiler** 1.20
0.80 1.003) Blower and compressor 1.20 0.40 0.804) Electricity Transportation
System 1.50 0.80 1.205) Controlling Equipment 0.86 0.60 0.70 TOTAL 10.76 4.60
7.70Annual operating cost: Anshan Maanshan Nanjing1) Labor 0.15 0.05 0.102)
Material(Fuel, Electricity and Water, etc.) 0.50 0.20 0.403) Maintenance 0.10
0.04 0.08 TOTAL 0.75 0.29 0.58Annual Benefit:Electricity generated(1m3 landfill
gas produces 1.25kWh)*** 16.90´106kWh 4.11´106kwh 11.41´106kWhElectricity Price
per kwh(in RMB) 0.21 Yuan 0.24 Yuan 0.25 YuanAnnual Revenue 3.54 million 1.03
million 2.85 million* The priority option in the three landfill sites is to
generate electricity, because these landfills are far away from the central
cities. If selling landfill gas, they need extra investment to transport the
landfill gas to central cities because there are few factories and villages
nearby the landfill sites.** The energy from waste heat boiler will only be used
for shower and heating in landfill plant itself. *** Landfill gas contains
40--50% CH4. The heating value of landfill gas is also 40--50% of that of
CH4.Note:Manure: No manure will be sold.Uncertainties/risks: The uncertainties
include gas production uncertainties and the lack of landfill gas recovery
technology experiences in China. ANNEX 6 - COST/ BENEFIT ANALYSIS Exchange rate:
1 US $ = 8.6 RMB YuanLifetime: 20 yearsInterest Rate: 10%Gas produced in 20
years: 518 mill. m3Heating value: 16.77 MJ/m3Energy content: 8687 TJThermal
Efficiency of el. conv. 0.27 (Default value: 0.268)Electricity produced in 20
years 647 mill. kWhCOSTS mill. Yuan mill. US$Landfill gas collection Capital
costs 39.4 4.58Yearly Operational costs 2.0 0.23Net Present Value 56.4
6.56Electricity GenerationCapital Costs 23.96 2.79Yearly Operational Costs 1.62
0.19Net Present Value 37.8 4.39TOTAL:Capital Costs 63.31 7.36Yearly Operational
Costs 3.62 0.42Cap. Cost Reduction Potential 0%Op. Cost Reduction Potential
0%Annual revenue from selling electricityPrice per kWh 0.23 0.027(Default Value:
0.2295)Annual Revenue 7.42 0.86PV of the Revenue 63.2 7.35Cash flow/ year/ mill
US $ Costs Revenues1 - -2 6.63 -3 0.74 -4 0.42 -5 0.42 0.866 0.42 0.867 0.42
0.868 0.42 0.869 0.42 0.8610 0.42 0.8611 0.42 0.8612 0.42 0.8613 0.42 0.8614
0.42 0.8615 0.42 0.8616 0.42 0.8617 0.42 0.8618 0.42 0.8619 0.42 0.8620 0.42
0.8621 0.42 0.8622 0.42 0.8623 0.42 0.8624 0.42 0.8625 0.42 0.86NPV of the costs
8.80 mill. US $NPV of the revenues 5.10 mill. US $Incremental 3.70 mill. US
$"Break Evens":Cost reduction: -43%Electricity conv. efficiency 0.46Price of
electricity 0.40 RMB Yuan 0.047 US $/ kWhor 15 % cost reduction + 0.35 conv.
efficiency + 0.26 RMB Yuan Price of Electricity ANNEX 7 - GOVERNMENT
ENDORSEMENTDate: 5 February 1996FROM: China National Environmental Protection
Agency Beijing, People's Republic of ChinaTO: Mr. Arthur Holcombe UNDP Beijing
RE: China Methane Recovery From Municipal Waste - GEF ProposalDear Mr. Arthur
Holcombe,After consultation with Ministry of Finance, NEPA are entrusted, on
behalf of China Government, would like to reconfirm our endorsement for the
submission of the proposal mentioned above for GEF-OP reviewing and approval
forward.Best regards.Sincerely yours,(signed)Liu ChunyuDirector, FECONEPA,
ChinaFECO, China ANNEX 8 - TECHNICAL REVIEWChina: Promoting Methane Recovery and
Utilisation from Mixed Municipal Refuse
The comments of the STAP reviewer have been incorporated into the text of the
proposal. The project document has been put through extensive peer review
and technical review. The comments of the independent technical reviewer,
Prof. David Hall, have been incorporated and the proposal has been
strengthened accordingly. Questions raised in an earlier review of the
document have all been well answered in extensive consultation with the
country office, NEPA, (the local implementing agency) and consultants for the
project.
1. Overall ImpressionThis is a sound proposal which has a much tighter time plan
than previously envisaged. It takes more advantage of the existing experience in
other countries and explains the necessity of overcoming institutional barriers
to collecting methane from landfill sites. The pilot plants should be operating
within four years; this should be closely monitored.I am fully in favour of
implementing the project as soon as possible because of the undoubted climate
change, environmental and social benefits which will accrue from whatever
variant of the project is implemented.2. Relevance and PriorityBoth the
relevance and high priority of the project are self-evident and well presented
in the proposal.3. ApproachRapid implementation is warranted since the benefits
will be derived more quickly and replication possible sooner. Co-generation
should be an essential requirement when replication is considered in the future
so that maximum energy efficiency can be achieved; the present plants appear too
small and distantly located to economically use all the heat generated.4.
ObjectivesThese are valid and it should be possible to achieve them within the
four year project time.5. Background and JustificationSufficient information has
been provided to justify the project and I am satisfied with the explanations to
the questions raised in previous reviewing.6. FundingThis seems appropriate
given the proposed counterpart contributions. The training component is crucial
to ensure effective and rapid technology transfer; this funding should not be
reduced.7 Time FrameThe objectives should be readily attained within the four
years proposed.8 Additional CommentsThe setting up of a National Centre for
Methane Recovery and Dissemination appears an excellent step. At a later stage
when replication of landfill methane occurs, specific outreach objectives and
plans should be incorporated into the Centre.When the project is ongoing it
might usefully be monitored / evaluated by independent experts on other forms of
MSW treatment e.g. biogas, composting, and incineration.
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