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现代化工  2021, Vol. 41 Issue (4): 172-176    DOI: 10.16606/j.cnki.issn0253-4320.2021.04.036
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
负载型钌催化剂Ru/ZSM-5低温催化氧化甲苯的研究
张金瑶, 王祖武, 余琬冰, 王兰蕙
武汉大学资源与环境科学学院, 湖北 武汉 430079
Study on supported Ru/ZSM-5 catalyst for low-temperature catalytic oxidation of toluene
ZHANG Jin-yao, WANG Zu-wu, YU Wan-bing, WANG Lan-hui
School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
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摘要 以ZSM-5分子筛为载体,采用浸渍法制备了钌基催化剂Ru/ZSM-5,研究了催化剂在不同浓度及空速条件下对甲苯的催化氧化性能,探讨了催化剂的稳定性及其对CO2的选择性。结果表明,催化剂具有良好的稳定性及CO2选择性,空速和浓度增大会使催化剂的催化活性降低。实验条件下,Ru/ZSM-5催化氧化甲苯的最低T90值为161℃,并且催化剂在较大的空速范围内对甲苯具有优越的低温催化氧化性能。
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张金瑶
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余琬冰
王兰蕙
关键词:    ZSM-5  挥发性有机化合物  甲苯  催化氧化    
Abstract: Ru/ZSM-5,a ruthenium-based catalyst,is prepared by impregnation method with ZSM-5 molecular sieve as support.Its properties in catalytic oxidation of toluene is studied at different concentrations and at different space velocity.Its stability and selectivity to CO2 are discussed.It is indicated that the catalyst has a good stability and an excellent selectivity for CO2,and higher space velocity and concentration will reduce the catalytic activity of the catalyst.Under experimental conditions,the lowest T90 value of catalytic oxidation of toluene over Ru/ZSM-5 is 161℃,and the catalyst shows superior catalytic oxidation performance to toluene at low temperature in a large space velocity range.
Key words:  ruthenium    ZSM-5    volatile organic compounds    toluene    catalytic oxidation
收稿日期:  2020-05-25      修回日期:  2021-02-02          
ZTFLH:  TE991.1  
基金资助: 武汉市科技局基础研究项目(2019020702011357)
通讯作者:  王祖武(1962-),男,博士,教授,研究方向为大气污染控制理论与技术,通讯联系人,zwwang@whu.edu.cn。    E-mail:  zwwang@whu.edu.cn
作者简介:  张金瑶(1996-),女,硕士研究生,研究方向为大气污染控制工程,zhangjinyaoyao@163.com
引用本文:    
张金瑶, 王祖武, 余琬冰, 王兰蕙. 负载型钌催化剂Ru/ZSM-5低温催化氧化甲苯的研究[J]. 现代化工, 2021, 41(4): 172-176.
ZHANG Jin-yao, WANG Zu-wu, YU Wan-bing, WANG Lan-hui. Study on supported Ru/ZSM-5 catalyst for low-temperature catalytic oxidation of toluene. Modern Chemical Industry, 2021, 41(4): 172-176.
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https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2021.04.036  或          https://www.xdhg.com.cn/CN/Y2021/V41/I4/172
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