Decarbonization of the steel industry. A techno-economic analysis

IF 1.3 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materiaux & Techniques Pub Date : 2021-01-01 DOI:10.1051/mattech/2022002

Amaia Sasiain Conde, K. Rechberger, A. Spanlang, H. Wolfmeir, C. Harris

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引用次数: 5

Abstract

A substantial CO2-emmissions abatement from the steel sector seems to be a challenging task without support of so-called “breakthrough technologies”, such as the hydrogen-based direct reduction process. The scope of this work is to evaluate both the potential for the implementation of green hydrogen, generated via electrolysis in the direct reduction process as well as the constraints. The results for this process route are compared with both the well-established blast furnace route as well as the natural gas-based direct reduction, which is considered as a bridge technology towards decarbonization, as it already operates with H2 and CO as main reducing agents. The outcomes obtained from the operation of a 6-MW PEM electrolysis system installed as part of the H2FUTURE project provide a basis for this analysis. The CO2 reduction potential for the various routes together with an economic study are the main results of this analysis. Additionally, the corresponding hydrogen- and electricity demands for large-scale adoption across Europe are presented in order to rate possible scenarios for the future of steelmaking towards a carbon-lean industry.

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钢铁工业脱碳。技术经济分析

如果没有所谓的“突破性技术”(如氢基直接还原工艺)的支持，钢铁行业的二氧化碳排放量大幅减少似乎是一项具有挑战性的任务。这项工作的范围是评估在直接还原过程中通过电解产生的绿色氢的实施潜力以及限制条件。该工艺路线的结果与成熟的高炉路线和天然气基直接还原进行了比较，后者被认为是脱碳的桥梁技术，因为它已经以H2和CO作为主要还原剂运行。作为H2FUTURE项目的一部分，6mw PEM电解系统的运行结果为该分析提供了基础。各种路线的二氧化碳减排潜力以及经济研究是这一分析的主要结果。此外，还提出了在整个欧洲大规模采用相应的氢和电力需求，以评估未来炼钢向低碳工业发展的可能情况。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materiaux & Techniques MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.50

自引率

11.10%

发文量

期刊介绍： Matériaux & Techniques informs you, through high-quality and peer-reviewed research papers on research and progress in the domain of materials: physical-chemical characterization, implementation, resistance of materials in their environment (properties of use, modelling)... The journal concerns all materials, metals and alloys, nanotechnology, plastics, elastomers, composite materials, glass or ceramics. This journal for materials scientists, chemists, physicists, ceramicists, engineers, metallurgists and students provides 6 issues per year plus a special issue. Each issue, in addition to scientific articles on specialized topics, also contains selected technical news (conference announcements, new products etc.).