Effects of European emissions trading on the transformation of primary steelmaking: Assessment of economic and climate impacts in a case study from Germany

IF 4.9 3区 环境科学与生态学 Q2 ENGINEERING, ENVIRONMENTAL Journal of Industrial Ecology Pub Date : 2024-08-13 DOI:10.1111/jiec.13544
Yannik Graupner, Christian Weckenborg, Thomas S. Spengler
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Abstract

Due to climate change and the urgent need to reduce the greenhouse gas emissions of industrial processes, decarbonizing energy‐intensive industries is highly important. In Europe, emissions trading is the main regulatory instrument providing incentives to replace conventional production facilities with low‐carbon alternatives. Using the example of primary steelmaking, this study aims to evaluate the impacts of product benchmark revisions on the transformation of integrated steel mills. To this end, an optimization model for the strategic planning of economically favorable transformation pathways is developed. The model is combined with a prospective assessment of economic and climate impacts from steelmaking processes. By applying the model to a case study from Germany, legislative conditions in which steel manufacturers are encouraged to transform their production infrastructure are identified. Based on current regulations on product benchmarks for steelmaking, investments into low‐carbon technologies are slowed down until allocations of emissions allowances expire. However, benchmark revisions have the potential to speed up transformation plans significantly. In the analyzed scenarios, the greenhouse gas emissions of primary steelmaking between 2024 and 2034 decreased by up to 15%. These results are further strengthened by sensitivity analyses on the main market influences. Hence, this study provides policy recommendations on favorable revisions of product benchmarks for primary steelmaking.
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欧洲排放交易对初级炼钢转型的影响:德国案例研究中的经济和气候影响评估
由于气候变化和减少工业生产过程中温室气体排放的迫切需要,能源密集型工业的去碳化非常重要。在欧洲,排污权交易是激励企业用低碳替代品取代传统生产设施的主要监管手段。本研究以初级炼钢为例,旨在评估产品基准修订对综合钢厂转型的影响。为此,我们开发了一个优化模型,用于对经济上有利的转型途径进行战略规划。该模型与炼钢工艺对经济和气候影响的前瞻性评估相结合。通过将该模型应用于德国的案例研究,确定了鼓励钢铁制造商改造其生产基础设施的立法条件。根据现行的炼钢产品基准法规,在排放配额分配到期之前,对低碳技术的投资会放缓。然而,基准修订有可能大大加快转型计划。在分析的方案中,2024 年至 2034 年间初级炼钢的温室气体排放量最多可减少 15%。对主要市场影响因素的敏感性分析进一步加强了这些结果。因此,本研究为初级炼钢产品基准的有利修订提供了政策建议。
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来源期刊
Journal of Industrial Ecology
Journal of Industrial Ecology 环境科学-环境科学
CiteScore
11.60
自引率
8.50%
发文量
117
审稿时长
12-24 weeks
期刊介绍: The Journal of Industrial Ecology addresses a series of related topics: material and energy flows studies (''industrial metabolism'') technological change dematerialization and decarbonization life cycle planning, design and assessment design for the environment extended producer responsibility (''product stewardship'') eco-industrial parks (''industrial symbiosis'') product-oriented environmental policy eco-efficiency Journal of Industrial Ecology is open to and encourages submissions that are interdisciplinary in approach. In addition to more formal academic papers, the journal seeks to provide a forum for continuing exchange of information and opinions through contributions from scholars, environmental managers, policymakers, advocates and others involved in environmental science, management and policy.
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