燃煤电厂烟气一次PM<sub>2.5</sub>控制技术的综合评估

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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 PM_2.5 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.

Key words： coal-fired power plant PM_2.5 technology assessment analytic hierarchy process fuzzy comprehensive analysis method

Received: 08 August 2017

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	Articles by authors
	DENG Shuang
	SUN Xian-wei
	SHU Yun
	LI Bo
	GUO Feng-yan
	ZHANG Fan

Cite this article:

DENG Shuang,SUN Xian-wei,SHU Yun等. Comprehensive assessment of primary PM_2.5 control technologies for coal-fired power plants[J]. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(3): 1157-1164.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2018/V38/I3/1157

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