碳基催化剂低温SCR脱硝研究进展  

Research progress of low-temperature SCR denitration with carbon-based catalyst

作　　者：李浩杰 刘永江 禾志强 刘岗 张志勇 岳永红 阿菇娜 张海峰 宋涛[6] LI Haojie;LIU Yongjiang;HE Zhiqiang;LIU Gang;ZHANG Zhiyong;YUE Yonghong;A Guna;ZHANG Haifeng;SONG Tao(Inner Mongolia Electric Power Research Institute,Inner Mongolia Electric Power(Group)Co.,Ltd.,Hohhot 010010,China;Inner Mongolia Electric Power(Group)Co.,Ltd.,Hohhot 010050,China;Inner Mongolia Hohhot Pumped Livestock Power Generation Co.,Ltd.,Hohhot 010051,China;Inner Mongolia Jingneng Shengle Thermal Power Co.,Ltd.,Hohhot 011517,China;Jiangsu Orange Fruit Energy Environmental Protection Co.,Ltd.,Nanjing 210012,China;Nanjing Normal University,Nanjing 210023,China)

机构地区：[1]内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司,内蒙呼和浩特010010 [2]内蒙古电力(集团)有限责任公司,内蒙呼和浩特010050 [3]内蒙古呼和浩特抽水蓄能发电有限责任公司,内蒙呼和浩特010051 [4]内蒙古京能盛乐热电有限公司,内蒙呼和浩特011517 [5]江苏橙果能源环保有限公司,江苏南京210012 [6]南京师范大学,江苏南京210023

出　　处：《热力发电》2024年第7期14-23,共10页Thermal Power Generation

基　　金：内蒙古电力集团(有限)责任公司内蒙古电力科学研究院分公司项目资助(电科院[2023]81号)。

摘　　要：低温脱硝是目前脱硝领域研究热点,开发低温条件下(<300℃)高效、稳定的选择性催化还原(SCR)催化剂是关键。碳基材料具有发达孔隙结构和高比表面积,能够为活性催化组分的负载提供空间和表面支撑,碳基催化剂低温脱硝技术具有广阔的发展和应用前景。介绍了低温脱硝反应机制和常用碳基材料,分析了影响碳基催化剂低温脱硝性能因素,从预处理增强含氧官能团、活性组分提升脱硝性能、合理煅烧方式强化脱硝性能、抗中毒维持脱硝性能稳定4个方面,详细总结了碳基催化剂的研究进展,提出了今后的发展方向和建议。Low-temperature SCR denitration is one of the current research highlights in de-NOx field.Developing efficient and stable SCR catalysts under low temperature conditions(<300℃)is the key to solve the problem.Carbon-based materials have developed pore structures and high specific surface area,which can provide space and surface support for the loading of active catalytic components.Carbon-based catalyst for low-temperature de-NOx technology has broad development and application prospects.The present work introduces the low-temperature de-NOx reaction mechanism and the commonly used carbon-based materials,and analyzes the factors affecting the low-temperature de-NOx performance of carbon-based catalysts.Moreover,it summarizes the research progress of carbon-based catalysts from the aspects of pre-treatment to enhance oxygen-containing functional groups,active components to improve de-NOx performance,reasonable calcination to enhance de-NOx performance,and antipoisoning to maintain stable denitrification performance.Finally,the prospective future development directions and suggestions are given.

关 键 词：选择性催化还原 低温脱硝 碳基材料 催化剂 

分 类 号：X701[环境科学与工程—环境工程]