Catalytic conversion of syngas to higher alcohols over mesoporous perovskite catalysts

被引：19

作者：

Kim, Tae-Wan ^{[1
,3
]}

Kleitz, Freddy ^{[2
]}

Jun, Jong Won ^{[1
]}

Chae, Ho-Jeong ^{[1
,3
]}

Kim, Chul-Ung ^{[1
,3
]}

机构：

[1] Korea Res Inst Chem Technol, Ctr Convergent Chem Proc, 141 Gajeong Ro, Daejeon 34114, South Korea

[2] Univ Vienna, Inst Inorgan Chem Funct Mat, Wtihringer Str 42, A-1090 Vienna, Austria

[3] Univ Sci & Technol, Dept Adv Mat & Chem Engn, 217 Gajeong Ro, Daejeon 305350, Yuseong, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2017年 / 51卷

基金：

新加坡国家研究基金会;

关键词：

Mesoporous material; Mixed alcohols; Syngas to alcohols; Nanocast; Perovskites; HIGH-SURFACE-AREA; FISCHER-TROPSCH SYNTHESIS; FE-BASED PEROVSKITES; MIXED-METAL OXIDES; CARBON-MONOXIDE; SYNTHESIS GAS; CO; HYDROGENATION; REDUCTION; ETHANOL;

D O I：

10.1016/j.jiec.2017.02.032

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two types of mesoporous perovskite-type oxides (Meso-PTOs) were synthesized by combining a templated synthesis and a citrate complex method. The Meso-PTO catalysts exhibited superior catalytic activity in the higher alcohols synthesis from syngas compared to the bulk-PTO, likely due to the increased dispersion of active sites on the high surface of the Meso-PTOs. Moreover, the Meso-PTOs show higher productivity for C-3 and C-4 alcohols as well as C2+ oxygenates. Among the two Meso-PTOs developed here, the mesoporous LaFe0.7Cu0.3O3 catalyst was capable of significant suppression of the methanation reaction and better selectivity to higher alcohols compared to the mesoporous LaCo0.7Cu0.3O3 catalyst. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：196 / 205

页数：10

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