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Conversion of chloromethane to propylene over fluoride-treated H-ZSM-35 zeolite catalysts
Catalysis Communications ( IF 3.7 ) Pub Date : 2018-10-30 , DOI: 10.1016/j.catcom.2018.10.029
Ting Xu , Huikang Liu , Qianyi Zhao , Shiyu Cen , Lifang Du , Qinghu Tang

H-ZSM-35 with 2D channel intersections has been first found to be an effective catalyst over chloromethane transformation into propylene. Fluoride treatment is further introduced to improve the catalytic performance. With a proper concentration of fluoride treatment, the selectivity and yield of propylene can be enhanced significantly while a high propylene/ethylene ratio is achieved. Detailed characterizations demonstrate that dealumination caused by fluoride treatment results in a reduction in acidic sites, which is responsible for the improvement of catalytic performance.



中文翻译:

在氟化物处理的H-ZSM-35沸石催化剂上将氯甲烷转化为丙烯

首次发现具有2D通道交叉点的H-ZSM-35是有效的催化剂,可将氯甲烷转化为丙烯。进一步引入氟化物处理以改善催化性能。通过适当的氟化物处理浓度,可以显着提高丙烯的选择性和产率,同时实现高丙烯/乙烯比。详细的特征表明,由氟化物处理引起的脱铝作用导致酸性部位的减少,这是催化性能改善的原因。

更新日期:2018-10-30
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