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A gas-tight BaCo 0.7 Fe 0.2 Nb 0.1 O 3-δ(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 ℃,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.
A gas-tight BaCo 0.7 Fe 0.2 Nb 0.1 O 3-δ (BCFNO) tubular membrane was fabricated by hot pressure casting. And a membrane reactor with BCFNO tubular membrane and Ag-based sealant was simple constructed and applied to partial oxidation of CH 4 in coke oven gas. At 875 ° 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 derivatives exhibited not only high activity but also good stability in hydrogen-enriched coke oven gas (COG) atmosphere.