HYDROCONVERSION OF NORMAL-NONANE CATALYZED BY PDHY ZEOLITES .1. INFLUENCE OF CATALYST PRETREATMENT

被引：13

作者：

LEGLISE, J ^{[1
]}

CHAMBELLAN, A ^{[1
]}

CORNET, D ^{[1
]}

机构：

[1] UNIV CAEN, ISMRA, CNRS, UA 040414, F-14050 CAEN, FRANCE

来源：

APPLIED CATALYSIS | 1991年 / 69卷 / 01期

关键词：

PALLADIUM ZEOLITE; ZEOLITES; NONANE HYDROCONVERSION; DISPERSION; CATALYST CHARACTERIZATION (TEM); SELECTIVITY (ISOMERIZATION); PRETREATMENT;

D O I：

10.1016/S0166-9834(00)83288-1

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：

Pd/HY catalysts reduced at temperatures ranging from 573 to 873 K were compared in respect of the hydroconversion of n-nonane performed at 473 K and 0.1 MPa. The catalyst reduced at 573 K had a stable activity and a high selectivity for isomerization, but samples reduced at 773 K or above initially favoured cracking at the expense of isomerization. The evolution of the reaction mechanism with the temperature of reduction is related to a change in the dispersion of palladium revealed by TEM.

引用

页码：15 / 31

页数：17

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