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SYNTHESIS OF HIGH SURFACE-AREA SUPPORTED PT/SIO2 CATALYSTS FROM H2PTCL6.6H2O BY THE SOL-GEL METHOD

被引：20
作者：
AZOMOZA, M
LOPEZ, T
GOMEZ, R
GONZALEZ, RD
机构：
[1] AUTONOMOUS METROPOLITAN UNIV IZTAPALAPA,DEPT CHEM,POB 55-534,IZTAPALAPA 09340,DF,MEXICO
[2] TULANE UNIV,DEPT CHEM ENGN,NEW ORLEANS,LA 70118
来源：
CATALYSIS TODAY | 1992年 / 15卷 / 3-4期
关键词：
D O I：
10.1016/0920-5861(92)85019-I
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A new method has been used to prepare highly dispersed Pt/SiO2 catalysts. The method is based on the use of metal alcoxides together with the appropriate metal precursor. In particular, H2PtCl6.6H2O and tetraethoxysilane were used to prepare supported Pt/SiO2 catalysts with a BET surface area in excess of 1000 m2/g. Catalysts prepared by this method were observed to resist deactivation by sintering and coke formation and were observed to have a high selectivity in the hydrogenation of phenylacetylene to styrene.
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页码：547 / 554
页数：8
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