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Possibilities for Various Energy Applications from Municipal Solid Waste Incineration in Bangkok and Hanoi: Combined Heat, Cooling and Power Generation (CHCP) in Southeast Asia
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.ORCID iD: 0000-0002-3661-7016
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
2008 (English)In: Proceedings of i-CIPEC2008 - 5th International Conference on Combustion, Incineration/Pyrolysis and Emission Control, 2008, 103-109 p.Conference paper, Published paper (Refereed)
Abstract [en]

Increasingly intensive efforts are underway for employing renewable energy resources, especially when oil prices are unpredictable like today. Southeast Asia, which features large populations and expansive economies, already has a high energy demand and will grow even more in the future. Biomass is an important renewable energy source in this region, and Municipal Solid Waste (MSW) is an excellent candidate in this context. With industrialization, there has been an increase in the amount of MSW, particularly in large cities like Bangkok and Hanoi. While the need for a complete sustainable energy solution is crucial, solid waste management is also critical for these cities. Energy recovery from flue gases in thermal treatment plants is an integral part of MSW management for many industrialized nations. Often cogeneration can be employed for both enhancing the plant profitability and increasing the overall energy yield. However, it is normally difficult to justify traditional cogeneration in tropical locations since there is little need for the heat produced. The implementation of heat-driven cooling processes like absorption chillers is extremely attractive in this setting. In this paper, the energy applications from MSW in tropical urban areas have been investigated. Also investigated are the opportunities and potentials for various types of MSW power plants for providing both electricity and cooling in an innovative fashion. Results show that there is significant potential for various energy applications i.e. electricity, heatingand cooling from MSW in Southeast Asia. For example, electricity production via conventional incineration of MSW can achieve up to 2TWh per year in Bangkok and nearly this same amount in Hanoi. For heat-driven cooling, absorption chillers provide significant potential to replace electrically driven cooling: such systems are capable of providing 77 MWcooling and 22 MWel from CHP plant using MSW incineration. Heat driven chillers are also capable of reducing the fuel consumption per unit of cooling in comparison with conventional cooling technology: absorption chillers consume 0.78 MWfuel/MWcooling while distributed compression chillersconsume 2.06 MWfuel/MWcooling. If an MSW power plant coupled with heat- driven cooling is to be implemented, the system can save 118 MW of NG (60 MW of electricity) from thermal power plant.

Place, publisher, year, edition, pages
2008. 103-109 p.
Keyword [en]
Energy Recovery from MSW, MSW incineration, Thailand and Vietnam, Heat-driven cooling, CHCP
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-32113OAI: oai:DiVA.org:kth-32113DiVA: diva2:409022
Conference
5th International Conference on Combustion, Incineration/Pyrolysis and Emission Control (i-CIPEC 2008); 16-19 December 2008, Chiang Mai, Thailand
Note

QC 20110408

Available from: 2011-04-06 Created: 2011-04-06 Last updated: 2016-04-21Bibliographically approved
In thesis
1. Combined Electricity Production and Thermally Driven Cooling from Municipal Solid Waste
Open this publication in new window or tab >>Combined Electricity Production and Thermally Driven Cooling from Municipal Solid Waste
2011 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Increasingly intensive efforts are being made to enhance energy systems via augmented introduction of renewable energy along with improved energy efficiency. Resource constraints and sustained high fossil fuel prices have created a new phenomenon in the world market. Enhanced energy security and renewable energy development are currently high on public agenda worldwide for achieving a high standard of welfare for future generations. Biomass and municipal solid waste (MSW) have widely been accepted as important locally-available renewable energy sources offering low carbon dioxide (CO2) emissions. Concerning solid waste management, it has become a critical issue in Southeast Asia since the most popular form for waste disposal still employs open dumping and landfilling. While the need for a complete sustainable energy solution is apparent, solid waste management is also an essential objective, so it makes sense to explore ways in which the two can be joined.

Electricity production in combination with energy recovery from flue gases in thermal treatment plants is an integral part of MSW management for many industrialized nations. In Sweden, MSW is considered as an important fuel resource for partially meeting EU environmental targets within cogeneration. However it is normally difficult to justify traditional cogeneration in tropical locations since there is little need for the heat produced. Similarly, MSW-fired cogeneration usually operates with low capacity during non-heating season in Sweden. Therefore, it is very important to find new alternatives for energy applications from waste, such as the implementation of thermally driven cooling processes via absorption cooling in addition to electricity production.

The work presented herein concentrates first on an investigation of electricity generation from MSW power plants and various energy applications from waste in tropical urban areas. The potential for various types of absorption chillers driven by MSW power plants for providing both electricity and cooling is of particular interest. Additionally a demonstration and analysis of decentralized thermally driven cooling in district heating network supplied by low temperature heat from a cogeneration of MSW have been conducted. This study aims at developing the best system configuration as well as finding improved system design and control for a combination of district heating and distributed thermally driven cooling.

Results show that MSW incineration has the ability to lessen environmental impacts associated with waste disposal, and it can contribute positively towards expanding biomass-based energy production in Southeast Asia. For electricity production, the proposed hybrid dual-fuel (MSW/natural gas) cycles feature attractive electrical efficiency improvements, leading to greenhouse gas emissions reduction. Cogeneration coupled with thermally driven cooling is a solution that holds promise for uniting enhanced sustainability with economic advantages. The system offers great opportunity for primary energy saving, increasing electrical yield and can significantly reduce CO2 emissions per unit of cooling as compared to compression chiller. The demonstration and simulation have also revealed that there is a potential with some modifications and improvements to employ decentralized thermally driven cooling in district heating networks even in temperate regions like Sweden. Thus, expanding cogeneration towards trigeneration can augment the energy supply for summer months in Europe and for year-round cooling in tropical locations.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2011. xvi, 88 p.
Series
Trita-KRV, ISSN 1100-7990 ; 2011:02
Keyword
municipal solid waste, incineration, hybrid cycle, power production, thermally driven cooling, absorption chillers, decentralized thermally driven cooling, district heating
National Category
Energy Engineering
Research subject
SRA - Energy
Identifiers
urn:nbn:se:kth:diva-32117 (URN)978-91-7415-930-1 (ISBN)
Public defence
2011-04-28, Sal M2, Brinellvägen 64, KTH, Stockholm, 11:00 (English)
Opponent
Supervisors
Funder
StandUp
Note
QC 20110408Available from: 2011-04-08 Created: 2011-04-06 Last updated: 2012-01-27Bibliographically approved

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