类水滑石衍生复合氧化物用作选择性催化还原脱硝催化剂的研究进展  

Research progress on hydrotalcite-derived composite oxide as selective catalytic reduction denitrification catalyst

作　　者：王玉斌 蒲欣 沈聪 刘军强 李勃呈 王远 WANG Yu-bin;PU Xin;SHEN Cong;LIU Jun-qiang;LI Bo-cheng;WANG Yuan(Lanzhou Petrochemical Research Center,Petrochemical Research Institute,PetroChina,Lanzhou 730060,China;Oil Chemical Operation Department of Liaoyang Petrochemical Company,PetroChina,Liaoyang 111003,China)

机构地区：[1]中国石油石油化工研究院兰州化工研究中心,甘肃兰州730060 [2]中国石油辽阳石化公司油化运行部,辽宁辽阳111003

出　　处：《石化技术与应用》2023年第6期491-495,共5页Petrochemical Technology & Application

基　　金：中国石油天然气集团有限公司基金资助项目(项目编号:2020 D-2315)。

摘　　要：综述了Cu系、Mn系等类水滑石衍生复合氧化物(LDO)用作选择性催化还原(SCR)脱硝催化剂的研究进展,重点分析了制备方法、金属改性、载体种类等对此类LDO催化剂脱硝效率、活性温度及抗水抗硫性能的影响。指出今后此类LDO催化剂的研发方向是:采用包覆、掺杂等方式改善催化剂抗水抗硫性能;利用涂覆、一体挤出等方式制备适用于较大处理量的成型催化剂。The research progress on selective catalytic reduction(SCR)denitrification catalysts deriving from Cu,Mn and other based hydrotalcite-like composite oxides(LDO)was reviewed.And the effects of preparation methods,metal modifications,and carrier types on the denitrification efficiency,activation temperature and water and sulfur resistance of such catalysts were emphatically analyzed.Finally,it was pointed out that the future research&development directions of such LDO catalysts were:to improve the water and sulfur resistance of the catalysts by cladding,doping,and other methods;to prepare the molding catalysts suitable for large handling capacity via using the methods such as coating and integrated extrusion.

关 键 词：复合金属氧化物 类水滑石(LDHs) 类水滑石衍生复合氧化物(LDO) 选择性催化还原 氮氧化物(NOx) 脱硝催化剂 活性温度 抗水抗硫性能 

分 类 号：TQ426.83[化学工程]