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A Techno-Economic Analysis of Biomass Power Systems Using Aspen Plus
Chalmers University of Technology.
University of Borås, Faculty of Textiles, Engineering and Business. (Combustion and thermal treatment)ORCID iD: 0000-0003-0037-3555
2016 (English)In: International Journal of Power and Renewable Energy Systems (IJPRES), ISSN 2374-3751, Vol. 31, no 2, 25-36 p.Article in journal (Refereed) Published
Abstract [en]

This paper provides an analysis of biomass‐based power technologies in terms of electric performance, environmentalindicators and economic evaluations. Several power generation processes are analyzed: gas turbines, steam turbines, micro gasturbines, Stirling engines and internal combustion engines. Furthermore, the potential of nitrogen oxide (NOx) produced ineach process model is used as a measure of the environmental impact made. The parameters considered for economic feasibilitywere fixed capital cost, working capital cost and total capital investment. It was found that a higher electric efficiency wasachieved when biomass gasification technology was integrated with gas‐based power systems; the Stirling engine power systemalso indicated a good potential when its process model was optimized. Moreover, the internal combustion engine process emitsmore nitrogen oxides than other technologies, thus indicating a need of more gas cleaning. The economic studies showed thatthe internal combustion engine and Stirling engine power system prove to be economically feasible, especially in small‐scalepower production. Higher total capital investment costs were indicated for both the steam turbine and the gas turbine powersystems, illustrating the reason for their being employed mainly in medium/large‐scale biomass power generation systems.

Place, publisher, year, edition, pages
2016. Vol. 31, no 2, 25-36 p.
Keyword [en]
Biomass, Power Systems, Gasification, Process Simulation
National Category
Chemical Engineering
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-11455OAI: oai:DiVA.org:hb-11455DiVA: diva2:1056211
Available from: 2016-12-14 Created: 2016-12-14 Last updated: 2017-01-24Bibliographically approved

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