Selective oxidation of methane into synthesis gas at short contact times on low-loading platinum-ruthenium catalysts

被引：4

作者：

Dosumov, K. D. ^{[1
]}

Popova, N. M. ^{[1
]}

Baizhumanova, T. S. ^{[1
]}

Tungatarova, S. A. ^{[1
]}

机构：

[1] DV Sokolskii Organ Catalysis & Electrochem Inst, Alma Ata, Kazakhstan

来源：

PETROLEUM CHEMISTRY | 2010年 / 50卷 / 06期

关键词：

Petroleum Chemistry; Methane Conversion; Short Contact Time; Selective Catalytic Oxidation; Ortho Nitrophenol;

D O I：

10.1134/S0965544110060083

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The results of the study of Pt-Ru/2% Ce/(theta + alpha)-Al2O3 catalysts with various Pt/Ru ratios used in the process of selective methane oxidation into synthesis gas at short contact times are presented. The optimal catalyst preparation conditions have been found for the process. It has been revealed that the methane conversion at 1173 K and a contact time of 4.0-3.0 ms varies from 96 to 100% and the selectivities for hydrogen and CO are 100 and 95-100%, respectively. At a Pt: Ru molar ratio of 2: 1 or 1: 1 and tau = 3.5 ms, the maximum (100%) degree of the conversion of methane into synthesis gas via the direct route is observed; the selectivity for H-2 and CO is 100%, and the total content of the noble metals is O a parts per thousand yen 0.2%.

引用

页码：455 / 461

页数：7

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