Syngas production with dry reforming of methane over Ni/ZSM-5 catalysts

被引：47

作者：

Moradi, Gholamreza ^{[1
]}

Khezeli, Foroogh ^{[1
]}

Hemmati, Hamed ^{[1
]}

机构：

[1] Razi Univ, Dept Chem Engn, Catalyst Res Ctr, Fac Engn, Kermanshah, Iran

来源：

JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING | 2016年 / 33卷

关键词：

Dry reforming; Methane; Ni supported; ZSM-5; Si/Al ratio; HIERARCHICAL NANOCRYSTALLINE ZSM-5; SUPPORTED NI CATALYSTS; NANOSTRUCTURED CATALYST; SEQUENTIAL IMPREGNATION; HYDROGEN-PRODUCTION; MESOPOROUS ZSM-5; FACILE SYNTHESIS; CARBON-DIOXIDE; CO2; ZEOLITE;

D O I：

10.1016/j.jngse.2016.06.004

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The effect of Si/Al ratios on CO2 reforming of methane was investigated. The Ni-based catalysts with Si/Al ratio = 0-90 were prepared and used for Dry Reforming of methane. Increasing Si/Al ratios resulted in the spherical crystals in SEM images vanished and the structures of zeolite deviated to the amorphous phase, as well as, the conversions of CO2 and CH4 and the H-2/CO ratio decreased. These performances were well correlated with XRD patterns that showed the wider and shorter peak between 20 = 20-30 degrees. All samples were tested at temperatures 700, 750 and 800 degrees C and concluded that 800 degrees C was proper among these temperatures. Ni/ZSM-5 catalysts with 5 wt% Ni and Si/Al molar ratio equal to 30 demonstrated the highest conversions of CO2 and CH4 and H-2/CO ratio. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：657 / 665

页数：9

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