Selective methane bromination over sulfated zirconia in SBA-15 catalysts

被引：33

作者：

Degirmenci, Volkan ^{[1
]}

Yilmaz, Aysen ^{[2
]}

Uner, Deniz ^{[1
]}

机构：

[1] Middle E Tech Univ, Dept Chem Engn, TR-06531 Ankara, Turkey

[2] Middle E Tech Univ, Dept Chem, TR-06531 Ankara, Turkey

来源：

CATALYSIS TODAY | 2009年 / 142卷 / 1-2期

关键词：

Methane activation; SBA-15; Sulfated zirconia; Mesoporous silica; CAO/ZEOLITE COMPOSITES; INTEGRATED PROCESS; MESOPOROUS SILICA; METHYL-CHLORIDE; ACTIVATION; CONVERSION; NEUTRALIZATION; CONDENSATION; HYDROCARBONS; COPOLYMER;

D O I：

10.1016/j.cattod.2009.01.011

中图分类号：

O69 [应用化学];

学科分类号：

070301 [无机化学];

摘要：

Methane activation via bromination can be a feasible route with selective synthesis of mono-bromomethane. It is known that the condensation of brominated products into higher hydrocarbons can result in coking and deactivation in the presence of di-bromomethane. In this study, selective production of methyl bromide was investigated over sulfated ZrO2 included SBA-15 structures. It was observed that the higher the ZrO2 amounts the higher the conversion, while the catalyst remained >99% selective for the monobrominated methane. Over 25 mol.% ZrO2 included SBA-15 catalyst with a BET surface area of 246 m(2)/g, methane was brominated with 69% conversion at 340 degrees C and only CH3Br was selectively produced. (C) 2009 Elsevier B.V. All rights reserved

引用

页码：30 / 33

页数：4

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