The Synthesis and Catalytic Activity of Slurry Catalyst for Methanol Dehydration to Dimethyl Ether

被引：4

作者：

Liu, L. ^{[1
]}

Huang, W. ^{[1
]}

Huang, J. ^{[1
]}

Gao, Z. -H. ^{[1
]}

Yin, L. -H. ^{[1
]}

机构：

[1] Taiyuan Univ Technol, Minist Educ & Shanxi Prov, Key Lab Coal Sci & Technol, Taiyuan 030024, Shanxi, Peoples R China

来源：

ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS | 2012年 / 34卷 / 5-8期

基金：

中国国家自然科学基金;

关键词：

dimethyl ether; liquid-phase technology; methanol dehydration; slurry reactor; SOLID-ACID; DME;

D O I：

10.1080/15567030903530582

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A series of slurry catalysts for dehydration of methanol were prepared by liquid-phase technology, in which the main innovative thought lies in preparing the slurry catalysts directly from solution. The catalysts were characterized using Xray diffraction, Brunauer-Emmen-Teller, and temperature programmed desorption of ammonia. It was found that the main crystal phase of slurry catalysts was AIOOH. Also, it was observed that slurry catalyst had a high surface area and pore volume. Activity tests indicated that the slurry catalysts have shown better performance than the gamma-Al2O3: the highest methanol conversion was 84.4%, dimethyl ether selectivity nearly reached 100%. This catalyst showed a good stability during the reaction of 500 h.

引用

页码：682 / 691

页数：10

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