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KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years)), 80 credits / 120 HE creditsStudent thesis
Abstract [en]

Gasification of biomass for electricity power generation has been a proven technology in a number of countries in the world. MSW consists of biomass, glass, plastics, metallic scrap and street debris. Biomass constitutes the highest proportion of MSW and being an energy resource, implies that it can contribute tremendously to the energy needs of any country since every country is endowed with this resource which is generated in enormous tonnes per day. The challenge would then be the choice of the technology to harness this abundant energy resource subject to financial and environmental constraints.


 In Uganda, MSW gasification for power generation has never been implemented in spite of the 500-600 tonnes of MSW collected per day, the biomass component of the MSW comprising 88%. MSW is instead collected in skips, transported by trucks to a landfill were it is deposited and left to decompose releasing methane (CH4) and carbon dioxide (CO2) gases which are highly potent greenhouse gases. In this regard, the many tonnes per day of MSW collected in Kampala city (area of the study) portray significant potential of generating producer gas using the technology of gasification to run engines for power generation and this study evaluated possible gasifier-engine system applications for power generation. Experiments were carried out  at the Faculty of Technology, Makerere University to determine biomass characteristics (e.g. moisture content, ash content) and gasification parameters(e.g. lower heating value)  of MSW required for gasifier-engine applications. After establishing the lower heating value of the producer gas from MSW, a theoretical design of a gasifier-engine system was investigated for possible applications with the biomass component of MSW and an economic analysis was done to assess the feasibility of the project.

Place, publisher, year, edition, pages
2011. , 109 p.
Keyword [en]
Gasification, Biomass, Municipal solid Waste, Producer gas, Kampala, Engine, Power Generation, Uganda, Biomass characteristics, Gasification parameters, Economic Analysis
National Category
Energy Engineering
URN: urn:nbn:se:kth:diva-98777OAI: diva2:538967
Subject / course
Mechanical Engineering
Educational program
Master of Science - Sustainable Energy Engineering
2011-12-06, HPT Library, STOCKHOLM, 08:30 (English)
Available from: 2012-07-03 Created: 2012-07-02 Last updated: 2012-07-03Bibliographically approved

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Bernard Kivumbi _EGI-2011-090MSC EKV852(4083 kB)1025 downloads
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