低温NH3-SCR脱硝催化剂的研究进展  

Research Progress on Low-temperature NH3-SCR Selective Catalytic Reduction

作　　者：李雪莹 陈雪梅 张宇航 钟文 LI Xueying;CHEN Xuemei;ZHANG Yuhang;ZHONG Wen(Jiahua Special Cement Co.,Ltd.)

机构地区：[1]嘉华特种水泥股份有限公司

出　　处：《广东建材》2025年第2期171-175,共5页Guangdong Building Materials

基　　金：国家重点研发计划项目“新型低碳水泥研发及应用关键技术”(2022YFC3803100)。

摘　　要：选择性催化还原(SCR)是当前主要用于限制氮氧化物排放的方法之一,其突出优点在于良好的选择性、高效的脱硝效率以及不引起二次污染等。本文全面综述了NH3-SCR技术及其催化剂的研究现状,侧重探讨了贵金属催化剂、金属氧化物催化剂、分子筛型催化剂和碳基催化剂的最新进展。在此基础上,展望未来的研究方向,为相关领域的进一步研究提供有力的参考。Selective catalytic reduction(SCR)is one of the main methods currently used to limit NOx emissions,and its outstanding advantages include good selectivity,efficient denitrification efficiency,and no secondary pollution.In this paper,the current research status of NH3-SCR technology and its catalysts is comprehensively reviewed,focusing on the recent progress of noble metal catalysts,metal oxide catalysts,molecular sieve catalysts and carbon-based catalysts.On this basis,future research directions are envisioned to provide a strong reference for further research in related fields.

关 键 词：脱硝 选择性催化还原 催化剂 低温 

分 类 号：O64[理学—物理化学]