Fuel cell operation on anaerobic digester gas: conceptual design and assessment |
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| Institution: | 1. National Risk Management Research Laboratory, United States Environmental Protection Agency (EPA), Research Triangle Park, NC 27711, USA;2. ONSI Corporation, 195 Governors Highway, South Windsor, CT 06704, USA;1. Faculty of Health, Engineering and Sciences, University of Southern Queensland, Toowoomba, QLD 4350, Australia;2. Indonesian Agency for Agricultural Research and Development, Ministry of Agriculture, Rep of Indonesia, Jl. Ragunan 29 Pasar Minggu, Jakarta 12540 Indonesia;1. Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hong Kong Special Administrative Region;2. Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disaster, School of Geography and Remote Sensing, Nanjing University of Information Science & Technology, Nanjing 210044, China;1. Bioprocess Engineering, Institute of Biotechnology, Technische Universität Berlin, Ackerstrasse 76 ACK 24, D-13355, Berlin, Germany;2. Department of Chemistry and Bioscience, Aalborg University Esbjerg, Niels Bohrs Vej 8, DK-6700, Esbjerg, Denmark;1. Center for Ecological Forecasting and Global Change, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China;2. Department of Biology Sciences, Institute of Environment Sciences, University of Quebec at Montreal, C.P. 8888, Succ. Centre-Ville, Montreal, Canada H3C 3P8;3. Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China |
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| Abstract: | The conceptual design of a fuel cell (FC) system for operation on anaerobic digester gas (ADG) is described and its economic and environmental feasibility is projected. ADG is produced at wastewater treatment plants during the process of treating sewage anaerobically to reduce solids. The economic feasibility study shows the fuel cell is economical where plant electricity costs are 5 ¢/kW h or higher, based on entry level fuel cell costs of $3000/kW. FCs are one of the cleanest energy technologies available, and the widespread use of this concept should result in a significant reduction in global warming gas and acid rain air emissions. Additionally, technology evaluation focused on improving a commercial phosphoric acid FC power plant operation on ADG is described. |
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