Direct aromatization of natural gas over H-gallosilicate (MFI), H-galloaluminosilicate (MFI) and Ga/H-ZSM-5 zeolites

被引：50

作者：

Choudhary, VR

Kinage, AK

Choudhary, TV

机构：

[1] Chemical Engineering Division, National Chemical Laboratory

来源：

APPLIED CATALYSIS A-GENERAL | 1997年 / 162卷 / 1-2期

关键词：

aromatization of natural gas; H-Galloaluminosilicate (MFI); H-Gallosilicate (MFI); Ga/H-ZSM-5;

D O I：

10.1016/S0926-860X(97)00102-6

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：

Direct Conversion of the C2+ hydrocarbons from natural gas to aromatics over H-Gallosilicate (MFI), H-Galloaluminosilicate (MFI) and Ga/H-ZSM-5 zeolites has been investigated at different temperatures (500-600 degrees C) and space velocities (500-6660 cm(3) g(-1) h(-1)). The zeolites are compared for their activity/selectivity and distribution of aromatics formed in the natural gas-to-aromatics conversion at different process conditions. The performance shown by the zeolites is in the following order: H-Galloaluminosilicate (MFI) much greater than H-Gallosilcate (MFI) > Ga/H-ZSM-5. Natural gas, containing 27.3 wt% C2+ hydrocarbons, can be converted to aromatics with very high selectivity (approximate to 90%) at a high conversion (70%) of C2+ hydrocarbons over H-Galloaluminosilicate (MFI) zeolite at 600 degrees C and space velocity of 3000 cm(3) g(-1) h(-1). (C) 1997 Elsevier Science B.V.

引用

页码：239 / 248

页数：10

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