漆包机废气净化催化剂的研制  

Development of the catalysts for purification of exhaust gas from wire enameling machines

作　　者：贾莉伟[1,2] 沈美庆[1] 王军[1] 

机构地区：[1]天津大学化工学院绿色合成与转化教育部重点实验室,天津300072 [2]无锡威孚环保催化剂有限公司,江苏无锡214028

出　　处：《工业催化》2008年第12期18-20,共3页Industrial Catalysis

基　　金：中国博士后科学基金资助项目(20070410196);江苏省博士后科研资助计划项目(0702054C)

摘　　要：以γ-Al2O3、铈锆固溶体(Ce0.67Zr0.33O2)、以及两者混合物为二载涂层,制备了3种蜂窝瓷漆包机废气净化Pd催化剂,评价其对苯、二甲苯与甲酚催化燃烧的活性。结果表明,γ-Al2O3与Ce0.67Zr0.33O2混合涂层具有良好的催化活性。采用XRD与BET表征手段,分析了γ-Al2O3与Ce0.67Zr0.33O2混合涂层具有较好的抗烧结能力,有助于保持活性组分高度分散。Three ceramic honeycomb Pd catalysts with washcoat of γ-Al2O3, Ce0.67Zr0.33O2 solid solution and mixtures of the both were prepared for purification of exhaust gas from wire enameling machines. Activity for catalytic combustion of benzene, xylene and cresol were studied over the catalysts. The results showed that mixture washcoat of γ-Al2O3 and Ce0.67Zr0.33O2 exhibited superior catalytic activity. XRD and BET results indicated that mixture washcoat of γ-Al2O3 and Ce0.67Zr0.33O2 had better thermal stability, which favored maintenance of highly dispersion of the active components.

关 键 词：催化剂工程 催化燃烧 贵金属型催化剂 废气净化 漆包机 

分 类 号：TQ426.6[化学工程] X701[环境科学与工程—环境工程]