The study of ferrierite zeolite synthesized by using silica sol modified by HCl as silica source for the skeletal isomerization reaction of 1-butene

被引：5
作者：
Wu, Guoliang [1 ]
Hu, Yunfeng [1 ]
Bao, Qiang [1 ]
Zhang, Jian [1 ]
Wang, Yueyuan [2 ]
Ge, Junping [1 ]
Xu, Ming [1 ]
机构：
[1] Northeast Petr Univ, Coll Chem & Chem Engn, Prov Key Lab Oil & Gas Chem Technol, Daqing 163318, Peoples R China
[2] Bora LyondellBasell Petrochem Co Ltd, Panjin 124221, Peoples R China
来源：
REACTION KINETICS MECHANISMS AND CATALYSIS | 2021年 / 133卷 / 01期
基金：
中国国家自然科学基金;
关键词：
1-Butene; FER zeolite; Isomerization; Strong acid strength; Silica sol; N-BUTENE; CATALYTIC APPLICATION; LINEAR BUTENES; ACID CATALYSTS; CRYSTAL SIZE; DEACTIVATION; TEMPLATE; CRYSTALLIZATION; REGENERATION; STRENGTH;
D O I：
10.1007/s11144-021-01983-0
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A strategy has been developed for the synthesis of ferrierite (FER) zeolites possessing strong acid sites (SAS) with different strength by using silica sol modified by different amounts of hydrochloric acid (HCl) as silicon source. The effect of HCl-modified silica sol on FER zeolite was investigated by XRD, ICP-AES, SEM, N-2 adsorption-desorption, NH3-TPD and Py-IR. Moreover, some typical samples were evaluated in the reaction of 1-butene skeletal isomerization and the coke properties of the deactivated samples were analyzed by TG-MS and Raman spectroscopy. The results revealed that FER zeolite possessing weak SAS has excellent catalytic performance in the reaction of skeletal isomerization of 1-butene. Whereas FER zeolite with moderate SAS exhibits poor stability. By contrast, FER zeolite exhibiting SAS with high strength is easy to promote oligomerization-cracking reaction and reduce isobutene selectivity. Conversely, these findings also confirmed the effectiveness of the strategy for controlling the strength of SAS of FER zeolite.
引用
收藏
页码：309 / 325
页数：17
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