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Title: A solid oxide fuel cell (SOFC)-based biogas-from-waste generation system for residential buildings in China: A feasibility study
Authors: Wang Q.
Wei H.-H.
Xu Q. 
Keywords: Building waste to energy; Distributed waste-treatment systems; Distributed-energy resources
Issue Date: 2018
Publisher: MDPI AG
Citation: Wang Q., Wei H.-H., Xu Q. (2018). A solid oxide fuel cell (SOFC)-based biogas-from-waste generation system for residential buildings in China: A feasibility study. Sustainability (Switzerland) 10 (7) : 2395. ScholarBank@NUS Repository.
Abstract: The building sector consumes a great deal of energy and generates organic waste, and thus has been a cause of considerable environmental concern. One distributed-energy technique, solid oxide fuel cell (SOFC)-based biogas-from-waste generation, has shown promise for waste treatment as well as energy saving in buildings. This study proposes a high-efficiency cooling, heating and electricity-generation system with an SOFC-absorption water-cooled tri-generation configuration. Operations data from a typical high-rise commercial building in Shanghai were analyzed as a case study of the proposed system's economic, environmental, and social feasibility in China. The results indicated that its economic performance was satisfactory, with a short payback period of less than one year if subsidized. Additionally, the system was found to achieve high efficiency: i.e., 85%, as compared to approximately 40% achieved by conventional combustion-powered systems. Finally, in terms of social feasibility, survey respondents not only expressed positive overall attitudes towards the application of the system, but also raised concerns about its long-term operating costs. Given that foreseeable technological advancements promise greater flexibility and reduced space requirements, these results imply that the proposed integrated SOFC multi-generation system will be well-suited to future infrastructure and building projects in China. © 2018 by the authors.
Source Title: Sustainability (Switzerland)
ISSN: 20711050
DOI: 10.3390/su10072395
Appears in Collections:Staff Publications

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