从海水中回收的硫化氢转化为清洁氢的生命周期评价

IF 10.9 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Resources Conservation and Recycling Pub Date : 2025-02-17 DOI:10.1016/j.resconrec.2025.108175

Muhammad Ishaq, Ibrahim Dincer

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引用次数: 0

摘要

目前的工作旨在对利用从黑海等海水中获得的硫化氢（H2S）的制氢系统进行全面的生命周期评估（LCA）。通过将Aspen Plus的过程模拟结果与openLCA的LCA功能相结合，开发了一种鲁棒的LCA方法。H2S从黑海海底提取，用作热化学循环生产氢气的原料。环境绩效的特征是六个统一的指标：全球变暖潜势（GWP）、酸化潜势（AP）、颗粒物（PM）、富营养化淡水潜势（EP）、臭氧层消耗（ODP）和资源利用、矿物和金属（ADP）。在LCA框架内对备选氧载体的分析表明，Fe2O3/FeS氧化还原对的全球变暖潜势比基线ZnO/ZnS氧化还原对低66.28%，突出了材料选择在优化环境性能方面的重要性。生命周期质量指数和生命周期不可逆性指数分别为28.92%和71.09%。

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Life cycle assessment of turning hydrogen sulfide recovered from sea waters into clean hydrogen

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Life cycle assessment of turning hydrogen sulfide recovered from sea waters into clean hydrogen

The present work aims to conduct a comprehensive life cycle assessment (LCA) of the hydrogen production system utilizing hydrogen sulfide (H₂S) obtained from the sources available in the sea waters, such as the Black Sea. A robust LCA methodology is developed by coupling the process simulation results from the Aspen Plus with the LCA capabilities of the openLCA. The H₂S is extracted from the bottom of the Black Sea and employed as a feedstock for a thermochemical cycle to produce hydrogen. The environmental performance is characterized by six harmonized indicators: global warming potential (GWP), acidification potential (AP), particulate matter (PM), eutrophication freshwater potential (EP), ozone layer depletion (ODP), and resource use, minerals, and metals (ADP). The analysis of alternate oxygen carriers within the LCA framework demonstrates that the Fe₂O₃/FeS redox pair results in 66.28 % less global warming potential than the baseline ZnO/ZnS redox pair, highlighting the significance of material selection in optimizing environmental performance. The life cycle quality index and life cycle irreversibility index are considered 28.92 % and 71.09 % respectively.

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来源期刊

Resources Conservation and Recycling 环境科学-工程：环境

CiteScore

22.90

自引率

6.10%

发文量

625

审稿时长

23 days

期刊介绍： The journal Resources, Conservation & Recycling welcomes contributions from research, which consider sustainable management and conservation of resources. The journal prioritizes understanding the transformation processes crucial for transitioning toward more sustainable production and consumption systems. It highlights technological, economic, institutional, and policy aspects related to specific resource management practices such as conservation, recycling, and resource substitution, as well as broader strategies like improving resource productivity and restructuring production and consumption patterns. Contributions may address regional, national, or international scales and can range from individual resources or technologies to entire sectors or systems. Authors are encouraged to explore scientific and methodological issues alongside practical, environmental, and economic implications. However, manuscripts focusing solely on laboratory experiments without discussing their broader implications will not be considered for publication in the journal.