The effect of calcination temperature on the performance of Ni/MgO-Al2O3 catalysts for decarboxylation of oleic acid

被引：80

作者：

Roh, Hyun-Seog ^{[1
]}

Eum, Ic-Hwan ^{[1
]}

Jeong, Dae-Woon ^{[1
]}

Yi, Bo Eun ^{[2
]}

Na, Jeong-Geol ^{[2
]}

Ko, Chang Hyun ^{[2
]}

机构：

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

[2] Korea Inst Energy Res, Greenhouse Gas Res Ctr, Taejon 305343, South Korea

来源：

CATALYSIS TODAY | 2011年 / 164卷 / 01期

关键词：

Decarboxylation; Ni/MgO-Al2O3; Redox property; VEGETABLE-OILS; STEARIC-ACID; COMBINED H2O; METHANE; DIESEL; DEOXYGENATION; COKE; GAS;

D O I：

10.1016/j.cattod.2010.10.048

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Ni catalysts supported on MgO-Al2O3 (MgO = 70 wt.%) were prepared at various calcination temperatures for decarboxylation of oleic acid. According to TPR patterns of Ni/MgO-Al2O3 catalysts, the reduction degree increases with decreasing the calcination temperature from 500 to 300 degrees C. Ni/MgO-Al2O3 catalyst calcined at 300 degrees C exhibited the highest oleic acid conversion as well as high selectivity to C-17 compounds at the reaction temperature of 300 degrees C. This is due to free NiO species, which have relatively weak interaction with the support. (C) 2010 Elsevier B. V. All rights reserved.

引用

页码：457 / 460

页数：4

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