Ultra-Low Air Pollutant Control Technologies for  Coal-fired Flue Gas and Its Economic Analysis

doi:10.3969/j.issn.1000-7229.2015.05.020

Abstract

Abstract:

According to the requirement on the ultra-low emission of fly ash, SO2 and NOx from coal-fired plants, the mechanism, characteristics, and industry applications of various air pollution control technologies, including low-low temperature electrostatic precipitation, wet electrostatic precipitator, dual-loop desulfurization, two-dimension low NOx combustior, and selective catalytic reduction （SCR） were introduced. An ultra-low air pollutant reduction protocol was proposed, including two dimension low NOx combustion, SCR denitration, low-low temperature electrostatic precipitation, dual-loop desulfurization in single tower and wet electrostatic precipitator. The economy of the ultra-low air pollutant control technologies for coal-fired power plants was analyzed.

Key words: coal-fired flue gas, ultra-low emission, dry/wet electrostatic precipitator, desulfurization, denitration

CLC Number:

TM 611， X 773

ZHANG Donghui, ZHUANG Ye, ZHU Runru, LIU Kewei. Ultra-Low Air Pollutant Control Technologies for Coal-fired Flue Gas and Its Economic Analysis[J]. ELECTRIC POWER CONSTRUCTION, 2015, 36(5): 125-130.

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Ultra-Low Air Pollutant Control Technologies for Coal-fired Flue Gas and Its Economic Analysis

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