Performance of a tubular oxygen-permeable membrane reactor for partial oxidation of CH4 in coke oven gas to syngas

被引：11
|
作者：
Zhang, Yuwen [1 ]
Cheng, Hongwei [1 ]
Liu, Jiao [1 ]
Ding, Weizhong [1 ]
机构：
[1] Shanghai Univ, Shanghai Key Lab Modern Met & Mat Proc, Shanghai 200072, Peoples R China
来源：
JOURNAL OF NATURAL GAS CHEMISTRY | 2010年 / 19卷 / 03期
基金：
国家高技术研究发展计划(863计划);
关键词：
tubular oxygen-permeable membrane reactor; partial oxidation; coke oven gas; hydrogen production; HYDROGEN-PRODUCTION; METHANE; STABILITY;
D O I：
10.1016/S1003-9953(09)60064-5
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A gas-tight BaCo0.7Fe0.2Nb0.1O3-delta (BCFNO) tubular membrane was fabricated by hot pressure casting. And a membrane reactor with BCFNO tubular membrane and Ag-based sealant was readily constructed and applied to partial oxidation of CH4 in coke oven gas. At 875 degrees C, 95% of methane conversion, 91% of H-2 and as high as 10 ml.cm(-2).min(-1) of oxygen permeation flux were obtained. There was a good match in the coefficient of thermal expansion between Ag-based alloy and BCFNO membrane materials. The tubular BCFNO membrane reactor packed with Ni-based catalysts exhibited not only high activity but also good stability in hydrogen-enriched coke oven gas (COG) atmosphere.
引用
收藏
页码：280 / 283
页数：4
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