工业大尺寸催化剂的制备及催化燃烧VOCs性能研究  

Study on catalytic combustion of VOCs over catalyst with industrial size

作　　者：黄琼[1,2,3] 陈敏东[1,2,3] 沈树宝[4] 

机构地区：[1]南京信息工程大学大气环境与装备技术协同创新中心,江苏南京210044 [2]南京信息工程大学环境科学与工程学院,江苏南京210044 [3]江苏省大气环境监测与污染控制高技术研究实验室,江苏南京210044 [4]南京工业大学生物与制药工程学院,江苏南京210009

出　　处：《现代化工》2015年第3期135-138,共4页Modern Chemical Industry

基　　金：国家自然科学基金项目(51172107);江苏省环保厅资助项目(2011023);南京信息工程大学科研启动项目(S8112131001);江苏省高校优势学科建设工程资助项目(PAPD)

摘　　要：在实验室微量级催化剂制备与测试基础上,进行了工业大尺寸催化剂的制备与催化燃烧VOCs性能研究.搭建了处理规模为100 m^3/h的VOCs催化燃烧反应装置,以化工企业典型的工业有机废气苯、二甲苯和氯代苯为处理对象,设计空速10 000～20000 h^-1,反应温度为100～ 350℃.研究发现,催化剂催化燃烧效率与蜂窝陶瓷孔道数呈正比,与VOCs质量浓度和反应空速呈反比,且催化剂抗卤和水蒸汽能力较佳.贵金属减量化的Pd/MnCeOx/堇青石催化剂抗硫中毒能力显著增强,稳定性良好,催化转化率＞95％.Based on the research of the preparation and testing of catalysts in the laboratory, a kind of large-size industrial catalyst is prepared and the properties of catalytic combustion of VOCs are studied. A reactor with 100 m^3/h gas flow for catalytic combustion is designed and established. The result finds that the efficiency of catalytic combustion is directly proportional to the channel numbers of honeycomb ceramics and inversely proportional to VOCs concentration and space velocity. The catalyst has a good resistance to halogen and steam by testing the catalytic combustion of MnCeOx/cordierite. Pd/MnCeOx/cordierite with a small amount of noble metal catalyst shows a better SO2 resistance and steadiness, and exhibits the conversion 〉 95 %.

关 键 词：催化剂 催化燃烧 VOCS 

分 类 号：TQ630.9[化学工程—精细化工]