Techno-economic and environmental assessment of integrating SOFC with a conventional steam and power system in a natural gas processing plant |
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| Affiliation: | 1. Politecnico di Milano, Department of Energy, Via Lambruschini 4, 20156 Milano, Italy;2. ETHZ, Institute of Process Engineering, Sonneggstrasse 3, 8092 Zurich, Switzerland;1. Thermochemical Power Group, Università di Genova, Via Montallegro 1, 16145 Genova, Italy;2. Mälardalen University, Högskoleplan 1, 72320 Västerås, Sweden;3. U.S. DOE National Energy Technology Laboratory, 3610 Collins Ferry Rd., 26507 Morgantown, WV, USA;1. Department of Energy System Engineering, Faculty of Mechanical Engineering, K. N. Toosi University of Technology, No. 15, Pardis St., Molasadra Ave., Vanak Sq., Tehran, Iran;2. Faculty of Industrial Engineering, Islamic Azad University, North Tehran Branch, P.O. Box 19388-13646, Tehran, Iran;1. Politecnico di Milano, Department of Energy, Via Lambruschini 4, 20156, Milano, Italy;2. ETHZ – Institute of Process Engineering, Sonneggstrasse 3, 8092, Zurich, Switzerland;1. College of Machinery and Transportation Engineering, China University of Petroleum, Beijing 102249, People’s Republic of China;2. Beijing Key Laboratory of Process Fluid Filtration and Separation, Beijing 102249, People’s Republic of China;1. Department of Energy and Power Engineering, Ludong University, 186 Hongqi Middle Road, Yantai 264025, Shandong, China;2. School of Civil Engineering, Ludong University, 186 Hongqi Middle Road, Yantai 264025, Shandong, China |
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| Abstract: | Solid oxide fuel cell (SOFC) technology has been proven to be a highly efficient electrochemical device that directly converts chemical energy into electrical energy with a potential to increase system efficiencies and to significantly reduce emissions in oil and gas operations. Enabling an effective integration and smarter utilization of SOFC systems at different scales and point-of-use can lead to an overall system efficiency improvement. In this research paper, two case studies, including the steam and power system in a gas plant, are considered for comparative analysis purposes. The first case study, base case, is a traditional steam and power system in a natural gas processing plant and the proposed case is the combined steam and power system with SOFC unit. Techno-economic and environmental analyses are performed for both cases. To carry out a comparative analysis, the power output of both cases is fixed at 20 MW. The results of this study show that a reduction of almost 35% in the emissions is possible and the cost of electricity becomes about 25% less for the proposed case. |
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| Keywords: | Cost Efficiency Emissions Energy balance Steam Thermodynamics |
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