Correlating the influence of the purity of hydrogen produced by a surplus power on the production of green ammonia

IF 2.6 3区 工程技术 Q3 ENERGY & FUELS Journal of Energy Resources Technology-transactions of The Asme Pub Date : 2023-10-05 DOI:10.1115/1.4063663
Byungjun Kim, Young Duk Lee
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Abstract

Abstract Carbon dioxide is the primary greenhouse gas contributing to climate change. Furthermore, due to the surplus power generated by renewable energy resources, various approaches have been developed to handle this overproduction. This study verifies via a correlation analysis the influence of the purity of hydrogen produced by a continuous surplus power on the sustainable ammonia production. The influence of the temperature and pressure of the hydrogen treatment system on the purity of the hydrogen gas produced in the alkaline water electrolysis system was investigated, where the purity increased with a decrease in temperature and an increase in pressure. The purity of the produced ammonia was positively correlated with the purity of hydrogen. Furthermore, the energy consumption of the ammonia production process increased when the purity of hydrogen was low. In the case of storing the surplus power as ammonia, the effect of hydrogen purity was less affected by the hydrogen production system than by the ammonia production system, and it was thus concluded that it is more desirable to determine the hydrogen purity in the hydrogen production system prior to employing it in the ammonia production system.
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一个剩余电力产生的氢的纯度对绿氨生产的影响
二氧化碳是导致气候变化的主要温室气体。此外,由于可再生能源产生的剩余电力,已经开发了各种方法来处理这种过剩的生产。本研究通过相关分析验证了连续剩余电力制氢纯度对可持续制氨的影响。研究了氢气处理系统的温度和压力对碱性水电解系统产生的氢气纯度的影响,纯度随温度的降低和压力的增加而增加。所得氨的纯度与氢的纯度呈正相关。此外,当氢纯度较低时,制氨过程的能耗增加。在将剩余电能储存为氨的情况下,氢气纯度的影响受制氢系统的影响小于制氨系统的影响,因此得出结论,在将其用于制氨系统之前,更希望确定制氢系统中的氢气纯度。
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来源期刊
CiteScore
6.40
自引率
30.00%
发文量
213
审稿时长
4.5 months
期刊介绍: Specific areas of importance including, but not limited to: Fundamentals of thermodynamics such as energy, entropy and exergy, laws of thermodynamics; Thermoeconomics; Alternative and renewable energy sources; Internal combustion engines; (Geo) thermal energy storage and conversion systems; Fundamental combustion of fuels; Energy resource recovery from biomass and solid wastes; Carbon capture; Land and offshore wells drilling; Production and reservoir engineering;, Economics of energy resource exploitation
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