中国电力2011，Vol.44Issue(12)：68-72,5.
燃煤电站脱硫系统的脱汞性能
Mercury removal performance of desulfurization systems in coal-fired power plants
摘要
Abstract
It has been investigated that desulfurization systems of coal-fired power stations could play an important role in mercury removal. An overview of mercury removal performances and mercury removal mechanisms of three common desulfurization systems was presented. The limestone wet flue-gas desulfurization (WFGD) could remove most of the oxidized mercury, but had little effect on elemental mercury, sometimes even leads to an increase of elemental mercury in treated flue gas. The average mercury removal rate is 51%. The circulating fluidized bed(CFB) has a good performance in converting most of the mercury to paniculate mercury which could easily be removed by electrostatic precipitator(ESP)with the corresponding overall removal rate at 80%~99%. The new integrated desulfurization(NID)technology systems could not only remove oxidized mercury, but also had good ability in removing elemental mercury. The total removal rate of NID system is 84%~92%.关键词
燃煤电站/脱汞/石灰石湿法脱硫系统/循环流化床/新式整体脱硫技术/电除尘器Key words
coal-fired power plants/ mercury removal/ limestone WFGD/ CFB/ NID technology/ ESP分类
资源环境引用本文复制引用
刘玉坤,禚玉群,陈昌和,徐旭常..燃煤电站脱硫系统的脱汞性能[J].中国电力,2011,44(12):68-72,5.基金项目
国家自然科学基金资助项目(50876052) （50876052）
