OXIDATIVE COUPLING OF METHANE WITH MEMBRANE REACTORS CONTAINING LEAD-OXIDE

被引：19

作者：

NOZAKI, T ^{[1
]}

HASHIMOTO, S ^{[1
]}

OMATA, K ^{[1
]}

FUJIMOTO, K ^{[1
]}

机构：

[1] UNIV TOKYO,DEPT SYNTHET CHEM,BUNKYO KU,HONGO 7-3-1,TOKYO 113,JAPAN

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 1993年 / 32卷 / 06期

关键词：

D O I：

10.1021/ie00018a024

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Oxidative coupling of methane was conducted by using membrane reactors. The nonporous membrane film that consisted of PbO modified by alkali-metal or alkaline earth compound was supported on a porous tube or nonporous tube of stabilized zirconia. Oxide ion was transported from the oxygen (air) side to the methane side through PbO film. C2 hydrocarbons were obtained with high selectivity (>90 %), but the activity was influenced by alkali-metal compounds and the supports on which the membrane was formed. The temperature characteristics of the activity indicated that the C2 formation rate was controlled by O2- transportation when the support had low O2- conductivity, while it was controlled by both of the catalytic reaction and oxide ion transportation on other supports.

引用

页码：1174 / 1179

页数：6

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