Preparation and characterization of zirconia-phosphate aerogels

被引：29
|
作者：
Boyse, RA [1 ]
Ko, EI [1 ]
机构：
[1] CARNEGIE MELLON UNIV,DEPT CHEM ENGN,PITTSBURGH,PA 15213
来源：
CATALYSIS LETTERS | 1996年 / 38卷 / 3-4期
关键词：
zirconia; phosphate; solid acid; aerogel; butene;
D O I：
10.1007/BF00806573
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：
Zirconia-phosphate aerogels were prepared by two methods: a one-step sol-gel synthesis followed by supercritical drying and an incipient wetness impregnation synthesis of a calcined zirconia aerogel. These samples were characterized by nitrogen adsorption, X-ray diffraction, infrared spectroscopy, and 1-butene isomerization. We identified both the conditions when zirconia-phosphate aerogels possess Bronsted acid sites, and the phosphate species responsible for their generation.
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收藏
页码：225 / 230
页数：6
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