Isabella Bulfaro , Anna Sánchez , Gabriela Benveniste , Beatriz Amante García , Víctor José Ferreira
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引用次数: 0
摘要
甲烷裂解(MC)是一种新兴的低碳制氢技术。本文对46项研究MC过程的可持续性进行了全面的文献计量分析。本文采用生命周期评价(LCA)、生命周期成本(LCC)、技术经济分析(TEA)和社会生命周期评价(SLCA)等方法。研究结果表明,根据具体的反应器配置、工厂地理位置和碳收入,MC技术的LCOH范围为0.9至6.6美元/kg H2,同时,温室气体排放量范围为0.8至14.5 kg CO2eq/kg H2。这些结果表明,在一定条件下,MC可以与碳捕获蒸汽甲烷重整和电解相竞争。然而,该综述指出了重大的研究差距,包括有限的综合LCA研究,缺乏社会影响评估,熔融介质催化剂和MC过程中颗粒物质形成的环境影响分析不足,以及对生物甲烷裂解潜力的分析不足。
Environmental, economic, and social impacts of methane cracking for hydrogen production: A comprehensive review
Methane cracking (MC) is emerging as a low-carbon hydrogen production technology. This review conducts a comprehensive bibliometric analysis of 46 studies examining the sustainability of MC process. The review employs Life Cycle Assessment (LCA), Life Cycle Cost (LCC), Techno-Economic Analysis (TEA), and Social Life Cycle Assessment (SLCA) methodologies. The findings reveal that LCOH for MC technologies ranges from 0.9 to 6.6 $/kg H2, at the same time, GHG emissions span 0.8–14.5 kg CO2eq/kg H2, depending on the specific reactor configurations, plant geographical locations, and carbon revenues. These results indicate that MC can be competitive with steam methane reforming with carbon capture and electrolysis under certain conditions. However, the review identifies significant research gaps, including limited comprehensive LCA studies, a lack of social impact assessments, insufficient environmental impact analysis of molten media catalysts and particulate matter formation in MC processes, as well as insufficient analysis of the potential of biomethane cracking.
期刊介绍:
The objective of the International Journal of Hydrogen Energy is to facilitate the exchange of new ideas, technological advancements, and research findings in the field of Hydrogen Energy among scientists and engineers worldwide. This journal showcases original research, both analytical and experimental, covering various aspects of Hydrogen Energy. These include production, storage, transmission, utilization, enabling technologies, environmental impact, economic considerations, and global perspectives on hydrogen and its carriers such as NH3, CH4, alcohols, etc.
The utilization aspect encompasses various methods such as thermochemical (combustion), photochemical, electrochemical (fuel cells), and nuclear conversion of hydrogen, hydrogen isotopes, and hydrogen carriers into thermal, mechanical, and electrical energies. The applications of these energies can be found in transportation (including aerospace), industrial, commercial, and residential sectors.