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
收藏
页码：682 / 691
页数：10
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