FORMATION AND EVOLUTION OF THE ACTIVE-SITE FOR METHANOL CARBONYLATION ON OXIDE CATALYSTS CONTAINING RHCL3

被引：24

作者：

KRZYWICKI, A

MARCZEWSKI, M

机构：

[1] Institute of Organic Chemistry and Technology, Technical University, 00662 Warsaw

来源：

JOURNAL OF MOLECULAR CATALYSIS | 1979年 / 6卷 / 06期

关键词：

D O I：

10.1016/0304-5102(79)80064-4

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：

The formation and transformation of an active site for the carbonylation of methanol in the gas phase have been studied for various catalytic systems composed of Al2O3, Al2O3·SiO2, SiO2 or TiO2 as supports and RhCl3 as the active agent. It has been found that oxide supports with pronounced acid-base properties, such as Al2O3 or Al2O3·SiO2 favour the formation of an anion type of rhodium surface complex [ORh(CO)2Cl]-. On practically neutral supports such as SiO2, only the neutral complex -O → Rh(CO)2Cl is formed, while on TiO2, which exhibits a relatively poor acid-base nature, both types of complexes are detected. © 1979.

引用

页码：431 / 440

页数：10

共 43 条

[1]

BOZONVERDURAZ F, 1976, PREPARATION CATALYST, P265

[2] CATALYTIC PROPERTIES OF PRECIOUS METAL-COMPLEXES - CARBONYLATION OF METHANOL IN ACETIC-ACID IN PRESENCE OF IRIDIUM(I) COMPOUNDS [J].