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To search for the optimum working condition of coal partial gasification for co-production of hydrogen and electricity, a gasifier has been simulated and studied by the use of an Aspen Plus model. Oxygen-to-coal ratio, steam-to-coal ratio and steam temperature are optimization variables of the system. The optimization variables impact on syngas yield, syngas concentration, system exergy efficiency,...
To solve the problems of high cost and low efficiency of conventional co-production system of hydrogen and electricity with low hydrogen-to-electricity ratio, a novel co-production system based on coal partial gasification with CO 2 capture is proposed and thermodynamically analyzed. The new system integrates the conceptions of cascade conversion of coal and cascade utilization of syngas to...
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