Synthesis, characterization and catalytic activity of binary metallic titanium and iron containing mesoporous silica

被引：31
|
作者：
Wu, Yong [1 ,2 ]
Zhang, Yinjie [1 ]
Cheng, Jun [1 ]
Li, Zheng [1 ]
Wang, Haiqing [1 ]
Sun, Qinglin [1 ]
Han, Bing [1 ,3 ]
Kong, Yan [1 ]
机构：
[1] Nanjing Univ Technol, Coll Chem & Chem Engn, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Jiangsu, Peoples R China
[2] Nanjing Normal Univ, Coll Chem & Mat Sci, Jiangsu Key Lab Biofunct Mat, Nanjing 210046, Peoples R China
[3] Nanjing Inst Technol, Sch Mat Engn, Nanjing 211167, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2012年 / 162卷
基金：
中国国家自然科学基金;
关键词：
Binary metal; Mesoporous material; Interaction; Catalytic activity; SOLID ACID CATALYSTS; MOLECULAR-SIEVES; SELECTIVE OXIDATION; CONTAINING MCM-41; METHANOL DECOMPOSITION; PHENOL HYDROXYLATION; OXIDE; EPOXIDATION; PERFORMANCE; CYCLIZATION;
D O I：
10.1016/j.micromeso.2012.04.046
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of Fe-Ti incorporated-SBA-15 and MCM-41 has been synthesized using different heteroatom sources and characterized by using XRD, N-2-adsorption, HRTEM, ICP, FT-IR, and UV-vis techniques. Catalytic performances of the obtained materials were evaluated in the hydroxylation of styrene with H2O2. Results indicated that (a) all samples exhibited typical hexagonal arrangement of mesoporous structure with high surface areas, (b) the kinds of heteroatoms sources had a significant effect on the heteroatom contents in the samples, i.e. there was a strong interaction between Ti and Fe species in the synthesis procedure, and (c) catalytic results revealed that the selectivity of benzaldehyde and the conversion of styrene were controlled by the contents of Fe and Ti species in the samples, respectively. An appropriate n(Ti)/n(Fe) ratio in catalysts could approach the optimal catalytic performance. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码：51 / 59
页数：9
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