Synthesis, characterization of hierarchical TS-1 and its catalytic performance for cyclohexanone ammoximation

被引：52

作者：

Lin, Junzhong ^{[1
]}

Xin, Feng ^{[1
]}

Yang, Libin ^{[1
]}

Zhuang, Zhuang ^{[1
]}

机构：

[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2014年 / 45卷

基金：

中国国家自然科学基金;

关键词：

TS-1; Hierarchical; Zeolite; Open voids; ZEOLITE SINGLE-CRYSTALS; ZSM-5; ARCHITECTURES; OXIDATION; SYSTEM;

D O I：

10.1016/j.catcom.2013.11.005

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 hierarchical titanium silicate (TS-1) that possesses large open voids has been prepared by using a dissolution/re-crystallization process. Carbon black was introduced as a hard template during the synthesis process to generate defects both inside and on the surface of crystals, then TPAOH post-treatment was applied, as a result, a novel TS-1 zeolite crystal with large open voids was successfully synthesized. The synthesized hierarchical TS-1 was characterized by XRD, FTIR, SEM, TEM and N-2 physisorption. Compared with the traditional TS-1 and hollow TS-1, the activity of hierarchical TS-1 in cyclohexanone ammoximation was improved and attributed to the macropores that linked the voids inside the zeolite directly to the outer surface. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：104 / 108

页数：5

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