Comprehensive assessment of primary PM2.5 control technologies for coal-fired power plants
DENG Shuang1,2, SUN Xian-wei3, SHU Yun1, LI Bo1, GUO Feng-yan1, ZHANG Fan1
1. Chinese Research Academy of Environmental Sciences, Beijing 100012, China; 2. State Key Laboratory of Environmental Criteria and Risk Assessment, Beijing 100012, China; 3. Guangzhou Fibre Product Testing and Research Institute, Guangzhou 511400, China
Abstract：The object of this study is the evaluation of coal-fired power plant flue gas particulate control technologies or their combinations.According to the literature and the expert questionnaire surveys,an assessment model with sixteen evaluation indexes regarding environment,economy and technology was constructed to investigate the primary PM2.5 emission behaviors from coal-fired power plants.Analytic Hierarchy Process (AHP) was used to conducted an assessment for seven coal-fired power plant flue gas particulate control technologies or their combinations.The results showed that the order of priority based on a comprehensive analysis or considering environment is:low-temperature electrostatic precipitation with high-frequency power + wet electrostatic precipitation ≈ electrostatic precipitation with high frequency power + wet electrostatic precipitation > electrostatic-bag precipitation > electrostatic precipitation + wet electrostatic precipitation > bag precipitation > electrostatic precipitation > electrostatic coagulation precipitation.The Electrostatic precipitation could be the best option if considering economics.Otherwise,the bag precipitation was the best if considering technology.
邓双, 孙现伟, 束韫, 李博, 郭凤艳, 张凡. 燃煤电厂烟气一次PM2.5控制技术的综合评估[J]. 中国环境科学, 2018, 38(3): 1157-1164.
DENG Shuang, SUN Xian-wei, SHU Yun, LI Bo, GUO Feng-yan, ZHANG Fan. Comprehensive assessment of primary PM2.5 control technologies for coal-fired power plants. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(3): 1157-1164.
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