Dehydration of methanol over Nordstrandite based catalysts for dimethyl ether synthesis

被引：18

作者：

Seo, Chang Won ^{[2
]}

Jung, Kwang Deok ^{[2
]}

Lee, Kwan Young ^{[3
]}

Yoo, Kye Sang ^{[1
]}

机构：

[1] Seoul Natl Univ Technol, Dept Chem Engn, Seoul 139743, South Korea

[2] Korea Inst Sci & Technol, Clean Energy Res Ctr, Seoul, South Korea

[3] Korea Univ, Dept Chem & Biol Engn, Seoul, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2009年 / 15卷 / 05期

关键词：

Methanol dehydration; Nordstrandite; Dimethyl ether; ALUMINUM PHOSPHATE; SURFACE-CHEMISTRY; SYNTHESIS GAS; DME; ACID; ETA;

D O I：

10.1016/j.jiec.2009.09.037

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This study focused on the investigation of Nordstrandite as a catalyst for dehydration of methanol to dimethyl ether synthesis. The structure phase of Nordstrandite has been changed to boehmite and gamma-Al2O3 in sequence via calcinations at various temperatures. Moreover, the properties of the samples have been varied significantly with heat treatment. The number of acid sites of Nordstrandite was much higher than the other aluminas. However, the catalytic activity of Nordstrandite was comparable to the other catalysts with fewer amounts of acid sites. This means that structure phase is one of the most important factors for catalytic performance in this reaction. (C) 2009 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：649 / 652

页数：4

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