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首页> 外文期刊>International journal of hydrogen energy >Hydrogen amplification from coke oven gas using a CO_2 adsorption enhanced hydrogen amplification reactor
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Hydrogen amplification from coke oven gas using a CO_2 adsorption enhanced hydrogen amplification reactor

机译：使用CO_2吸附增强型氢气放大反应器从焦炉煤气中放大氢气

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摘要

To improve coke oven gas (COG) energy conversion, alternative configurations for amplifying hydrogen from COG are proposed in this paper. In these new configurations, a CO_2 adsorption enhanced hydrogen amplification reactor is combined with a pressure swing adsorption separation unit (PSA) to produce pure hydrogen. Hydrogen production was integrated with desorption gas utilization, in situ CO_2 capture and waste heat recovery to improve COG energy conversion efficiency and decrease CO_2 emissions. To analyze the advantages of the flowsheet modifications, technical and economic performance indicators were used to evaluate and compare the performances of the various system configurations. Simulation results show that the alternative configurations proposed in this paper have higher energy conversion efficiencies, higher hydrogen yields and shorter dynamic payback periods. The variation of technical performance with reaction temperature, pressure, sorbent to carbon ratio and steam to carbon ratio were also analyzed using a sensitivity study. Optimal operating conditions for the CO_2 adsorption enhanced hydrogen amplification reactor were obtained based on the simulation results.
机译：为了提高焦炉煤气（COG）的能量转化，本文提出了从COG扩增氢气的替代配置。在这些新配置中，将CO_2吸附增强型氢放大反应器与变压吸附分离单元（PSA）结合使用，可生产纯氢。氢气生产与解吸气体利用，原位CO_2捕集和废热回收相结合，以提高COG能量转换效率并减少CO_2排放。为了分析修改流程的优势，使用了技术和经济性能指标来评估和比较各种系统配置的性能。仿真结果表明，本文提出的替代配置具有较高的能量转换效率，较高的氢气产率和较短的动态投资回收期。还使用敏感性研究分析了技术性能随反应温度，压力，吸附剂与碳的比率以及蒸汽与碳的比率的变化。根据模拟结果，确定了CO_2吸附增强氢放大反应器的最佳运行条件。

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