Hydrocracking catalyst to produce high quality Diesel fraction

被引：0
|
作者：
Tailleur, RG [1 ]
机构：
[1] PDVSA Intevep, Caracas 101, Venezuela
来源：
SCIENTIFIC BASES FOR THE PREPARATION OF HETEROGENEOUS CATALYSTS | 2002年 / 143卷
关键词：
D O I：
暂无
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：
A hydrocracking catalyst oriented to the production of a high quality Diesel fraction was optimized by treating the Al2O3-SiO2 support with steam-ammonia. The catalyst characterization shows that aluminum migrates from a tetrahedral coordination to pentahedral-octahedral coordination. This fact seems to increase the total conversion and selectivity of the VGO hydrocracking reaction. The results are associated to a higher metal dispersion and-higher Lewis acid strength.
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页码：321 / 329
页数：9
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