Practical Application of Hierarchical Beta Zeolite in a Vacuum Gas Oil Hydrocracking Catalyst

被引：5
|
作者：
Zhang, Weimin [1 ]
Qin, Bo [2 ]
Li, Wenxi [1 ]
Hou, Kaige [1 ]
Du, Yanze [2 ]
Ma, Jinghong [1 ]
Li, Ruifeng [1 ]
机构：
[1] Taiyuan Univ Technol, Inst Special Chem, Coll Chem & Chem Engn, Taiyuan 030024, Peoples R China
[2] Dalian Res Inst Petr & Petrochem, Sinopec Grp, Dalian 116045, Peoples R China
来源：
CHEMICAL ENGINEERING & TECHNOLOGY | 2020年 / 43卷 / 11期
基金：
美国国家科学基金会;
关键词：
Hierarchical Beta zeolite; Hydrocracking; Middle distillates; Vacuum gas oil; CRACKING; HYDROCARBONS; PERFORMANCE; COMPOSITES; ALUMINA; ACID;
D O I：
10.1002/ceat.202000087
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A hierarchical Beta zeolite has been successfully mass-prepared hydrothermally and dynamically in a pilot-scale autoclave by an economical and simple process with low-cost raw materials. The characterization results indicated that the pilot-scale hierarchical Beta zeolite has the same textural, structural, and acidic properties like the bench-scale sample. Moreover, the catalyst composed of the pilot-scale hierarchical H-Beta zeolite showed higher activity and selectivity to the middle distillate than that containing microporous Beta zeolite in catalytic hydrocracking of vacuum gas oil (VGO) evaluated by an industrial pilot installation in running of 3000 h, due to the increased accessibility and the reduction of diffusion constraint of large molecules to acid sites in the Beta zeolite framework.
引用
收藏
页码：2224 / 2232
页数：9
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