Facile Synthesis of Proton-Type ZSM-5 by Using Quasi-Solid-Phase (QSP) Method

被引：10
|
作者：
Fan, Subing [1 ]
Tuo, Jie [1 ]
Wang, Dan [1 ]
Rong, Jingya [1 ]
Zhang, Jianli [1 ]
Ma, Qingxiang [1 ]
Gao, Xinhua [1 ]
Yang, Guohui [2 ,3 ]
Zhao, Tiansheng [1 ]
Tsubaki, Noritatsu [2 ]
机构：
[1] Ningxia Univ, Coll Chem & Chem Engn, State Key Lab High Efficiency Utilizat Coal & Gre, Yinchuan 750021, Ningxia, Peoples R China
[2] Univ Toyama, Sch Engn, Dept Appl Chem, Gofuku 3190, Toyama 9308555, Japan
[3] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2020年 / 26卷 / 39期
关键词：
crystallization kinetics; crystallization mechanisms; proton-type ZSM-5; quasi-solid-phase methods; zeolites; SOLVENT-FREE SYNTHESIS; CATALYTIC PERFORMANCE; SUSTAINABLE SYNTHESIS; CAPSULE CATALYSTS; MFI ZEOLITES; METHANOL; PROPYLENE; CRYSTALLIZATION; SELECTIVITY; AROMATICS;
D O I：
10.1002/chem.202002021
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Herein, a simple and green quasi-solid-phase (QSP) method for facile synthesis of proton-type ZSM-5 avoiding use of excessive water, dry gel, Na(+)cation and fluoride is reported. Crystallization by using the stoichiometric amount of TPAOH (tetrapropylammonium hydroxide) at 180 degrees C for only 12 h gave well-structured HZSM-5 crystals with high specific surface area of 429 m(2) g(-1)and high thermal stability. 5MRs was observed to closely relate the formation of MFI structure and QSP method exhibits shorter induction period (t(0)), higher nucleation rate (V-n), and faster growth rate (V-g). Moreover, HZ-12-180 showed extremely better and rather stable catalytic activity for methanol-to-propylene reaction by comparison with commercial HZSM-5.
引用
收藏
页码：8532 / 8535
页数：4
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