Synthesis of dimethyl ether from methane mediated by HBr

被引：16
|
作者：
You, Qin [1 ]
Liu, Zhen [1 ]
Li, Wensheng [1 ]
Zhou, Xiaoping [1 ,2 ]
机构：
[1] Hunan Univ, Dept Chem Engn, Changsha 410082, Hunan, Peoples R China
[2] Nanjing Univ Technol, Coll Life Sci & Pharmaceut Engn, Nanjing 210009, Jiangsu, Peoples R China
来源：
JOURNAL OF NATURAL GAS CHEMISTRY | 2009年 / 18卷 / 03期
基金：
芬兰科学院;
关键词：
dimethyl ether; methane oxidative bromination; methyl bromide; catalyst; HYBRID CATALYSTS; SYNTHESIS GAS; SOLID-ACID; DEHYDRATION; SYNGAS; CONVERSION; PERFORMANCE; DME;
D O I：
10.1016/S1003-9953(08)60122-X
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Dimethyl ether (DME) was synthesized from methane through a two-step process, in which CH3Br was prepared from the oxidative bromination reaction of methane in the presence of HBr and oxygen over a Rh-SiO2 catalyst and then, in the second step, CH3Br was hydrolyzed to DME over a silica supported metal chloride catalyst. 12 mol%ZnCl2/SiO2 catalyst was found to be the most active, but it deactivated because of Cl- losing.
引用
收藏
页码：306 / 311
页数：6
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