AEROGEL CATALYSTS

被引：415
|
作者：
PAJONK, GM
机构：
[1] Laboratoire des Matériaux et Procédés Catalytiques, Université Claude Bernard Lyon I, ISM
来源：
APPLIED CATALYSIS | 1991年 / 72卷 / 02期
关键词：
AEROGELS; CATALYST PREPARATION (SOL-GEL METHOD); PORE STRUCTURE; SELECTIVITY (SEVERAL REACTIONS); STABILITY;
D O I：
10.1016/0166-9834(91)85054-Y
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：
Aerogel catalysts are prepared by the sol-gel method associated with the supercritical drying procedure. The resulting catalysts, in the form of simple or mixed oxides and supported metals exhibit interesting high surface areas and large pore volumes chiefly in the range of the macropores. Their very good resistance to heat treatments allow them to be used for all types of catalysed reactions up to 450-500-degrees-C. Aerogel catalysts show in general greater activities and selectivities than the corresponding xerogels. Their stability with time on stream is also remarkable.
引用
收藏
页码：217 / 266
页数：50
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