Unified process assessment for resources use and waste emissions by coal-fired power generation |
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| Institution: | 1. State Key Joint Laboratory of Environmental Science and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China;2. State Key Laboratory for Complex Systems and Turbulence, Department of Mechanics and Aerospace, College of Engineering, Peking University, Beijing 100871, China;1. International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China;2. State Key Laboratory of Modern Optical Instrument, Zhejiang University, Hangzhou, China;3. IJRC-PTS, College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310032, China;1. Key Lab on Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;2. National Institute for Environmental Studies, Tsukuba 305-8506, Japan;1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, No. 818 Beijing South Road, Urumqi, Xinjiang, 830011, PR China;2. Xinjiang Academy of Environmental Protection Sciences, No.428 Kexue South Road, Urumqi, Xinjiang, 830011, PR China;1. School of Energy and Power Engineering, Shandong University, 17923 Jingshi Road, Jinan 250061, China;2. School of Management, Shandong University, 27 Shanda Road, Jinan 250100, China;3. School of Architecture & Built Environment, Entrepreneurship, Commercialisation and Innovation Centre (ECIC), The University of Adelaide, SA 5005, Australia;4. School of Environmental Science and Engineering, Shandong University, 27 Shanda Road, Jinan 250100, China;1. Departamento de Ingeniería Química y Biotecnología, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Av. Beauchef 851, Piso 6-poniente, Grupo de Ingeniería Sistémica de Procesos y Sustentabilidad, 8370456 Santiago, Chile;2. Process Modeling and Distributed Computing Lab, University of Chile, Beauchef 850, Santiago, Chile |
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| Abstract: | A unified process assessment is carried out to integrate various resources and emissions associated with the life cycle of typical coal-fired power generation systems, based on the thermodynamic concept of exergy as a common objective measure. For a comprehensive assessment of industrial production systems, three indicators termed as ecological efficiency, resources use efficiency and environmental emission intensity are devised to evaluate the overall efficacy. Concretely assessed in the present work are three typical modes of coal-fired power generation systems, i.e., the Average mode that represents the average emissions and efficiency of coal-fired power plants operating in the US in 1999, the New Source Performance Standards (NSPS) mode that meets the New Source Performance Standards, and the low emission boiler system (LEBS) mode as a kind of highly advanced coal-fired power plant utilizing a low emission boiler, as benchmark cases in related NREL (National Renewable Energy Laboratory) report. |
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