Steam reforming of methane mixtures with ethylene over an industrial nickel catalyst

被引：10

作者：

Didenko, L. P. ^{[1
]}

Savchenko, V. I. ^{[1
]}

Arutyunov, V. S. ^{[2
]}

Sementsova, L. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Russia

[2] Russian Acad Sci, NN Semenov Chem Phys Inst, Moscow 119991, Russia

来源：

PETROLEUM CHEMISTRY | 2008年 / 48卷 / 01期

关键词：

Steam; Petroleum Chemistry; Methane Conversion; Coke Formation; Steam Reform;

D O I：

10.1134/S0965544108010040

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Steam reforming of methane mixtures with ethylene (1.4-3.8 vol % C2H4) in the presence of the industrial nickel catalyst S11-9-09 (12.8 wt % Ni/alpha-Al2O3) at 750 degrees C was studied. It was shown that the addition of ethylene to the methane-steam mixture reduces the conversion of methane to carbon oxides and increases coke formation. The unfavorable effect of ethylene on the reaction decreases with an increase in the ratio of the catalytic surface area to the free reaction volume. Presumably, this effect is caused by an increase in the contribution of the heterogeneous component of steam reforming, a change that results in an increase in the rate of the interaction of the formed coke with steam.

引用

页码：22 / 27

页数：6

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