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《China Environmental Science》 2018-03
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Comprehensive assessment of primary PM_(2.5) control technologies for coal-fired power plants

DENG Shuang;SUN Xian-wei;SHU Yun;LI Bo;GUO Feng-yan;ZHANG Fan;Chinese Research Academy of Environmental Sciences;State Key Laboratory of Environmental Criteria and Risk Assessment;Guangzhou Fibre Product Testing and Research Institute;  
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.
【Fund】: 国家科技支撑计划项目(2014BAC23B00);; 环境保护公益性行业科研专项(201309072)
【CateGory Index】: X773
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