Catalytic combustion of volatile organic compounds on gold/iron oxide catalysts

被引：227
|
作者：
Minicò, S
Scirè, S
Crisafulli, C
Maggiore, R
Galvagno, S
机构：
[1] Univ Catania, Dipartimento Sci Chim, I-95125 Catania, Italy
[2] Univ Messina, Dipartimento Chim Ind & Ingn Mat, I-98166 Messina, Italy
来源：
APPLIED CATALYSIS B-ENVIRONMENTAL | 2000年 / 28卷 / 3-4期
关键词：
volatile organic compounds; catalytic combustion; gold catalysts; methanol; ethanol; 2-propanol; acetone; toluene;
D O I：
10.1016/S0926-3373(00)00181-8
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Catalytic oxidation of 2-propanol, methanol, ethanol, acetone and toluene was investigated on coprecipitated Au/Fe2O3 catalysts in the presence of excess of oxygen. Gold catalysts have been found to be very active in the oxidation of tested volatile organic compounds (VOCs). The high activity of these systems has been related to the capacity of highly dispersed gold to weaken the Fe-O bond thus increasing the mobility of the lattice oxygen which is involved in the VOCs oxidation probably through a Mars-van Krevelen reaction mechanism. (C) 2000 Elsevier Science B.V. All rights reserved.
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收藏
页码：245 / 251
页数：7
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