锰铈系低温SCR脱硝催化剂的研究进展  

Research progress of manganese cerium based low temperature selective catalytic reduction of NO

作　　者：艾双双 闫东杰 黄学敏 周卫可 冯云堂 AI Shuang-shuang;YAN Dong-jie;HUANG Xue-min;ZHOU Wei-ke;FENG Yun-tang(Shaanxi Key Laboratory of Environmental Engineering,College of Environmental and Municipal Engineering,Xi’an University of Architecture and Technology,Xi’an 710055 China;Zhongshan Chunxing Construction Technology Co.,Ltd.,Zhongshan 528400,China)

机构地区：[1]西安建筑科技大学环境与市政工程学院陕西省环境工程重点实验室,陕西西安710055 [2]中山市春兴建筑科技有限公司,广东中山528400

出　　处：《应用化工》2018年第11期2520-2524,2530,共6页Applied Chemical Industry

基　　金：陕西省自然科学基础研究计划项目(2016JQ5095)

摘　　要：综述了负载型和非负载型锰铈催化剂的低温SCR脱硝性能,着重阐述了制备方法、制备条件以及助剂掺杂改性等对不同载体负载型低温催化剂脱硝性能的影响。在此基础上,介绍了锰铈低温SCR催化剂催化还原氮氧化物的反应机理及反应动力学,并探讨了SO2和H2O对锰铈低温SCR催化剂的毒化作用。最后针对目前存在的问题对锰铈系低温SCR催化剂的研究方向进行了展望。Summaries the low temperature NO x elimination properties of both supported and unsupported Mn-Ce catalysts and focuses on the influence of preparation methods,preparation conditions,additives and other Mn-Ce catalysts on NO x removal properties of different supported low temperature SCR catalysts.Then the mechanism and kinetic of Mn-Ce catalysts for low temperature SCR of NO with NH 3 was investigated and the poisoning of SO 2 and H 2O on Mn-Ce catalysts for low temperature SCR of NO with NH 3 was discussed.At last,aiming at present problems,this article prospects the further research direction of Mn-Ce based catalysts for low temperature SCR of NOx.

关 键 词：锰铈 低温SCR 抗硫抗水性 SCR反应机理 SCR反应动力学 

分 类 号：TQ426[化学工程] X511[环境科学与工程—环境工程]