SCR烟气脱硝催化剂再生研究进展  

Research progress on the regeneration of SCR catalysts for flue gas denitrification

作　　者：吴卫红[1,2] 吴华 罗佳 蒋啸[1] 

机构地区：[1]浙江大学能源清洁利用国家重点实验室,浙江杭州310027 [2]蓝天环保设备工程股份有限公司,浙江杭州310012 [3]杭州北高峰电力工程设计有限公司,浙江杭州310013

出　　处：《应用化工》2013年第7期1304-1307,共4页Applied Chemical Industry

基　　金：浙江省自然科学基金(Y1080393)

摘　　要：介绍了SCR烟气脱硝催化剂的水洗再生、热再生、热还原再生、酸液再生、SO2酸化热再生、活性盐溶液活化再生等再生方法的研究进展。再生技术应用时,应根据SCR催化剂的配方、构型、应用场合等因素,分析SCR催化剂失活的主要原因,选择适当的一种或者几种再生方法,才能达到提高或者恢复催化剂脱硝活性的目的。Introduced the research process on the regeneration technologies of SCR catalysts for flue gas denitrification,including water washing,thermal regeneration,thermal reduction regeneration,acid treatment,thermal regeneration by SO2,activated regeneration by active salt solution,etc.are summarized.Prior to selecting the regeneration technologies of SCR deactivated catalysts,the main reasons resulting in the catalyst deactivation should be analyzed according to the formula,configuration and application of catalysts.One or some kinds of regeneration technologies should be choose suitably in order to improve or recover the deNOx activity of deactivated catalysts.

关 键 词：烟气脱硝 选择性催化还原 催化剂再生 

分 类 号：TQ032[化学工程] X511[环境科学与工程—环境工程]