Investigation of the effect of support thermal treatment on gold-based catalysts' activity towards propene total oxidation

被引：14

作者：

Lamallem, Mohamed ^{[1
]}

Cousin, Renaud ^{[1
]}

Thomas, Rudy ^{[1
]}

Siffert, Stephane ^{[1
]}

Aissi, Faustin ^{[1
]}

Aboukais, Antoine ^{[1
]}

机构：

[1] Univ Littoral Cote dOpale, EA 2598, Lab Catalyse & Environm, F-59140 Dunkerque, France

来源：

COMPTES RENDUS CHIMIE | 2009年 / 12卷 / 6-7期

关键词：

Cerium; Titanium; Gold; Catalyst; Propene oxidation; VOLATILE ORGANIC-COMPOUNDS; AU/CE-TI-O; CO OXIDATION; AU/AL2O3; CATALYSTS; MIXED OXIDES; NANOPARTICLES; BEHAVIOR; COMBUSTION; TITANIA; VOCS;

D O I：

10.1016/j.crci.2008.10.022

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper reports a study on the effect of support thermal treatment on the activity of gold-based catalysts for the total oxidation of propene. Ce0.3Ti0.7O2 supports were prepared using sol-gel method. These compounds are calcined at 400, 500 and 600 degrees C. Physico-chemical properties of synthesized materials were characterized by means of XRD, DR/UV-vis and H-2-TPR. Then gold was deposited on these supports by the deposition precipitation method. Thus the catalytic activity of these solids in the propene oxidation was evaluated. On the basis of the catalytic results, a better activity is obtained when gold is deposited on Ce0.3Ti0.7O2 support previously calcined at 400 degrees C under air. To cite this article: M. Lamallem et al., C. R. Chimie 12 (2009). (C) 2009 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

引用

页码：772 / 778

页数：7

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