STABLE NICKEL-CONTAINING CATALYSTS FOR THE OXIDATIVE COUPLING OF METHANE

被引：63

作者：

DOOLEY, KM ^{[1
]}

CHEN, SY ^{[1
]}

ROSS, JRH ^{[1
]}

机构：

[1] UNIV TWENTE,DEPT CHEM TECHNOL,7500 AE ENSCHEDE,NETHERLANDS

来源：

JOURNAL OF CATALYSIS | 1994年 / 145卷 / 02期

关键词：

D O I：

10.1006/jcat.1994.1050

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 new catalyst based on the K/Ca/Ni oxide system has been developed for the oxidative coupling of methane at <700°C. It is capable of up to 70% selectivity to C2+ hydrocarbons at complete O2 conversion (CH4/O2 ratio = 2.5) if 35% water is present in the feed. Unlike previous materials of this type, the present catalyst is stable at the conditions of its maximum yield to C2+ products and is not poisoned by CO2. On the contrary, it appears as if CO2 promotes formation of a selective hydroxycarbonate phase which develops under reaction conditions. © 1994 Academic Press, Inc.

引用

页码：402 / 408

页数：7

共 25 条

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