Surface dealuminated Beta zeolites supported WO3 catalyst and its catalytic performance in tetralin hydrocracking

作     者：Yan-Ting Zhang Ni-Ni Zhang Sheng-Li Chen Hui Dang Tao Wu Yan-Ting Zhang;Ni-Ni Zhang;Sheng-Li Chen;Hui Dang;Tao Wu

作者机构：State Key Laboratory of Heavy Oil ProcessingCollege of Chemical EngineeringChina University of Petroleum-BeijingBeijing 102249China 

出 版 物：《Petroleum Science》 (石油科学（英文版）)

年 卷 期：2022年第19卷第6期

页      面：3116-3123页

核心收录：

学科分类：081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 

主　　题：Beta zeolites Dealumination Calcination Hydrocracking 

摘      要：In this study,selective dealumination of Beta zeolites was performed through partially removing the templating agent in Beta zeolites by calcination and then removing the aluminum on the external surface of Beta zeolites with acid *** catalysts were prepared by loading WO_(3)onto these dealuminated Beta *** was shown that the surface SiO_(2)/Al_(2)O_(3)of selectively dealuminated Beta zeolites was higher than that of conventionally dealuminated samples for the same bulk SiO_(2)/Al_(2)O_(3),and the hydrogenation activity of the catalyst of the selectively dealuminated Beta zeolites was lower than that of conventionally dealuminated Beta *** experimental results for tetralin hydrocracking to BTX showed that the catalysts based on the selectively dealuminated Beta zeolites had higher BTX selectivity and lower coke formation rate than that the catalysts based on the conventionally dealuminated Beta zeolites.