二氯甲烷
催化作用
产量(工程)
沸石
化学
氧化还原
无机化学
催化氧化
核化学
有机化学
材料科学
溶剂
冶金
作者
Mengxiang Li,Mo Jing,Xuanyu Gu,Yue Zhou,Mengjie Fan,Shubao Shen,Yingwen Chen
标识
DOI:10.1016/j.jre.2021.08.018
摘要
In this study, a series of Hydrogen-Zeolite Socony Mobil-5-X (HZSM-5-X) catalysts were prepared by acid modification, then Ce/HZSM-5-X (X = 0, 0.2, 0.4, 1.0, 2.0) catalysts were prepared by impregnation method. The catalytic performance of the catalysts on dichloromethane (DCM) oxidation was investigated. Through different characterizations, HZSM-5-X exhibit high specific surface area, good redox ability, rich acidity and much suitable acidic site distribution after acid treatment. Among them, Ce/HZSM-5-0.4 shows better catalytic activity with the lowest by-product and the best CO2 yield. Its T90 is 302 °C and the CO2 yield of T90 is more than 80 wt%, which demonstrates that the acid modification of carrier plays the positive effect on the catalytic capacity for DCM oxidation.
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