Lessons from the Danish production of green hydrogen using proton membrane electrolysis of clean drinking water

IF 1 Q4 ENGINEERING, ENVIRONMENTAL Journal of Environmental Engineering and Science Pub Date : 2024-01-08 DOI:10.1680/jenes.23.00071
Jasmin Salik, G. Xydis
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Abstract

With the European Union’s green strategy, and its member countries making a conscious effort to move away from fossil fuels and cut greenhouse gas emissions, there has been an uptake in technologies that produce green energy. Power-to-X has been an important topic in recent times, due to the so-called emission-free process of creating hydrogen, from excess renewable energy. The following research investigates this title of being emission-free, by analysing the method of obtaining extremely clean (pure) drinking water to produce this hydrogen. A linear equation was produced, that identifies the CO2 intensity per kWh of electricity used in producing each kg of water used to produce hydrogen. It was found that CO2 emissions occurred for small, medium, and large sized capacity projects based in Denmark. Indicatively, for a 1GW project facility, it was calculated that such a plant can produce 160,161 kg of CO2 per year, so apparently, nothing comes without a cost.
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丹麦利用质子膜电解清洁饮用水生产绿色氢气的经验教训
随着欧盟绿色战略的实施,其成员国开始有意识地摒弃化石燃料,减少温室气体排放,生产绿色能源的技术也随之兴起。近来,"Power-to-X "成为一个重要的话题,因为它是利用过剩的可再生能源制造氢气的所谓无排放工艺。以下研究通过分析获取极度清洁(纯净)的饮用水来生产氢气的方法,对无排放这一称号进行了调查。研究得出了一个线性方程,该方程确定了生产每千克制氢用水所用的每千瓦时电力的二氧化碳强度。研究发现,丹麦的小型、中型和大型产能项目都会产生二氧化碳排放。据计算,一个 1GW 的项目设施每年可产生 160,161 千克二氧化碳,显然,任何事情都是有代价的。
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来源期刊
CiteScore
1.60
自引率
0.00%
发文量
20
审稿时长
12 months
期刊介绍: Journal of Environmental Engineering and Science is an international, peer-reviewed publication providing a forum for the dissemination of environmental research, encouraging interdisciplinary research collaboration to address environmental problems. It addresses all aspects of environmental engineering and applied environmental science, with the exception of noise, radiation and light.
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