Importance

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Abstract

Compressed air is partially combusted with a fuel, cooled by counter current convection against mixed feed comprising steam and a hydrocarbon whereby the mixed feed reacts to form syngas, the air is further combusted with fuel and cooled against mixed feed, whereby the mixed feed reacts to form syngas, and the air is then expanded to perform work on a load. The mixed feed and combustion gases exchange heat counter currently at approximately the same respective pressures of 30 bar. The flame temperature, firing rate, NOx production, bridge wall temperature, and the expense of downstream heat recovery are reduced compared to radiant furnaces used for steam reforming. The radiant zone in steam reforming is replaced with smaller equipment. Steam export is eliminated.

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First Claim