Performance of spinel ferrite catalysts integrated with mesoporous Al2O3 in the high temperature water-gas shift reaction

被引：45

作者：

Jeong, Dae-Woon ^{[1
]}

Jha, Ajay ^{[1
]}

Jang, Won-Jun ^{[1
]}

Han, Won-Bi ^{[1
]}

Roh, Hyun-Seog ^{[1
]}

机构：

[1] Yonsei Univ, Dept Environm Engn, Wonju 220710, Gangwon, South Korea

来源：

CHEMICAL ENGINEERING JOURNAL | 2015年 / 265卷

基金：

新加坡国家研究基金会;

关键词：

Water-gas shift; Copper ferrite; Mesoporous; Alumina; Reducibility; IRON-BASED CATALYSTS; SIZED PT/CEO2 CATALYST; WGS REACTION; CO; CU; CR; NI; HYDROGEN; NANOPARTICLES; DECOMPOSITION;

D O I：

10.1016/j.cej.2014.12.045

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The present study focuses on the use of spine! ferrite (MFe2O4) catalysts (M = Ni, Co, Fe, or Cu) integrated With mesoporous alumina for the high temperature water-gas shift (WGS) reaction. Among these catalysts, copper ferrite integrated with mesoporous alumina exhibits outstanding performance. To optimize the Cu/Fe ratio in the copper ferrite catalyst, we prepared different CuxFe(3-x)O4-MA catalysts (x = 0.5, 1.0, 1.5, 2.0, or 2.5) by varying the Cu/Fe mole ratio. Of the various Cu/Fe catalysts, the 1:1 mole ratio of Cu/Fe exhibited the highest CO conversion (84%) and 100% selectivity to CO2 at a very high GHSV of 42,000 h(-1). The improved performance of the catalyst is correlated with its easier reducibility. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：100 / 109

页数：10

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