NO, has been a binding target for resource environmental of the Twelfth Five-year Plan. As the primary entities of emitting NO,, it is necessary to analyze the control technology and application status carefully in power industry in order to set a good foundation for further emission reduction in the future. Based on the legal requirement of NO, control and the control technology principle in domestic and overseas, low nitrogen combustion (LNB) technology and flue gas De-NO? Technology were compared. The situation of the flue gas denitration units, which were newly increased and put into operation, was analyzed. The capacity of the new operation units with flue gas De-NO, is 20.99 GW in 2009. The total capacity of the units with flue gas De-NO, is 45.309 GW, which is 6.95% of the total thermal power capacity in 2009. The capacity of the new operation units with flue gas De-NO, is 36.366 GW in 2010. And the capacity of the total units with flue gas De-NO, is 81.675 GW, which is 11.55% of the total thermal power capacity in 2010.%氮氧化物已成为“十二五”资源环境的约束性指标,作为氮氧化物排放大户的火电行业,有必要认真分析氮氧化物当前的控制技术以及应用现状,为将来的进一步减排打好基础.从火电行业氮氧化物控制的法律要求及国内外技术原则出发,比较了低氮燃烧技术、炯气脱硝技术及其应用现状,重点研究了2009-2010年火电新增并投运的烟气脱硝机组情况.2009年新投运火电烟气脱硝机组20.99 GW,烟气脱硝总投运机组规模为45.309 GW,约占当年全国火电机组容量的6.95％; 2010年新投运火电烟气脱硝机组36.366 GW,烟气脱硝总投运机组规模为81.675 GW,约占当年全国火电机组容量的11.55％.
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