Journal
JOURNAL OF CLEANER PRODUCTION
Volume 294, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2021.126303
Keywords
Hydrogen production technology; Emergy analysis; Life cycle sustainability assessment; Multi-criteria decision-making
Categories
Funding
- National Natural Science Foundation of China [41401655]
- Social Sciences and Humanities Youth Foundation of Ministry of Education of China [18YJC790201]
- Programfor the Innovative Talents of Higher Education Institutions of Shanxi
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With increasing energy demands and increasingly serious ecological problems, China is facing an urgent need for energy transformation. Hydrogen is considered one of the most promising energy sources for the future, and there is an urgent need to select sustainable hydrogen production technologies. The sustainability of HPT is evaluated based on economic, environmental, social, Emergy-based, and technical dimensions.
With increasing energy demands and increasingly serious ecological problems, China is facing an urgent need for energy transformation. Hydrogen is regarded as one of the most promising energy sources that will play an important role in future energy transformation. Accordingly, there is an urgent need for selecting sustainable hydrogen production technologies (HPT). Emergy-based indicators can reflect the sustainability of HPT in terms of resource consumption. Therefore, emergy-based indicators are added to the sustainability assessment framework. Life cycle sustainability of HPT is evaluated from economic, environmental, social, emergy-based and technical dimensions. Furthermore, the influence of decision makers? preferences on the selection of HPT is analyzed. The results show that when decision makers prioritize the emergy-based dimension, hydrogen production from copper-chlorine (CueCl) thermo-chemical water-splitting is the most sustainable technology option, followed by water electrolysis via wind power and natural gas steam reforming. On the contrary, coal gasification is the least sustainable option. When decision makers prioritize the environmental dimension, the selection order of HPT is the same, yet the sustainability scores change. Finally, when decision makers prioritize the economic dimension, water electrolysis via wind power becomes the worst option. ? 2021 Elsevier Ltd. All rights reserved.
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