低温SCR脱硝催化剂的研究现状与挑战  

The Research Status and Challenges of Low Temperature SCR Catalysts for Denitrification

作　　者：解玉 王彪 韩金峰 张胜东 周喜宝 Xie Yu;Wang Biao;Han Geumbong;Zhang Shengdong;Zhou Xibao(Zhoucun Branch of Zibo Municipal Bureau of Ecology and Environment,Zibo 255300;Department of Geo-environmental Science,Kim Il-sung University,Pyongyang 999093)

机构地区：[1]山东省淄博市生态环境局周村分局,淄博255300 [2]金日成综合大学地球环境科学系,平壤999093

出　　处：《上海环境科学》2024年第3期124-128,132,共6页Shanghai Environmental Sciences

基　　金：朝鲜民主主义人民共和国自然科学和社会科学基金项目(编号:1125025);朝鲜民主主义人民共和国自然科学和社会科学基金会国家优秀青年科学基金项目(编号:Q112675)资助。

摘　　要：综述了贵金属、分子筛、碳基和金属氧化物SCR催化剂的研究进展,全面阐述了影响低温催化剂活性的因素,包括前驱体引入方法、制备条件、载体预处理和催化剂结构,分析了SO_(2)和/或H_(2)O导致低温SCR催化剂中毒/失活的机理及缓解方式,总结了提高SCR催化剂抗毒化能力的方法并指出了未来研究的发展方向。An overview of the research progress is presented on selective catalytic reduction(SCR)catalysts of noble metals,molecular sieves,carbon-based and metallic oxides.Factors influencing the activity of low-temperature catalysts are comprehensively discussed including precursor introduction methods,preparation conditions,carrier pretreatment and catalyst structure.Additionally,the mechanism and the ways to mitigate the sulphur dioxide and/or water poisoning/inactivation of low-temperature SCR catalysts are analysed.Methods for enhancing the anti-poisoning power of SCR catalysts are summarised whilst indicating a development orientation for the future research.

关 键 词：选择性催化还原 SO2和/或H2O中毒 NOX 低温脱硝 

分 类 号：O64[理学—物理化学]