Carbon Abatement Options for Large Iron and Steel Plants in India

IF 9.7 1区 环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL
Nishant Bhardwaj, Srinivas Seethamraju, Santanu Bandyopadhyay
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Abstract

7% of global carbon dioxide (CO2) emissions are caused by the iron and steel industry. India produces 6% of the global crude steel, most of which comes from large steel plants using the blast furnace – basic oxygen furnace route and the natural gas – sponge iron – electric arc furnace route. This study investigates the carbon abatement potential and associated economics of major decarbonization options for the Indian iron and steel sector. These decarbonization options include improved energy efficiency, substitution of material and fuel, and adaptation of renewable energy. The marginal abatement and green premium curves, obtained through mass and energy balances of a typical iron and steel plant, incorporate the interdependency of measures and present the techno-economic aspects. The analysis shows that the blast furnace – basic oxygen furnace process can be completely decarbonized, with nearly 15.8% of the CO2 emissions being eliminated without a net cost to the consumers. Similarly, 98.8% of the CO2 emissions can be abated in the natural gas – sponge iron – electric arc furnace route. These results are expected to be helpful for policymakers and industry stakeholders in planning policy impetus and achieving net-zero targets for the Indian iron and steel sector.
印度大型钢铁厂的碳减排方案
全球 7% 的二氧化碳(CO2)排放是由钢铁工业造成的。印度的粗钢产量占全球总量的 6%,其中大部分来自采用高炉-碱性氧气炉路线和天然气-海绵铁-电弧炉路线的大型钢铁厂。本研究调查了印度钢铁行业主要脱碳方案的碳减排潜力和相关经济性。这些去碳化方案包括提高能源效率、材料和燃料替代以及适应可再生能源。通过典型钢铁厂的质量和能量平衡得出的边际减排和绿色溢价曲线包含了各种措施的相互依存性,并介绍了技术经济方面的问题。分析表明,高炉--碱性氧气炉工艺可实现完全脱碳,可消除近 15.8% 的二氧化碳排放,而消费者无需承担净成本。同样,天然气-海绵铁-电弧炉路线可减少 98.8% 的二氧化碳排放量。预计这些结果将有助于政策制定者和行业利益相关者规划政策推动力,实现印度钢铁行业的净零排放目标。
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来源期刊
Journal of Cleaner Production
Journal of Cleaner Production 环境科学-工程:环境
CiteScore
20.40
自引率
9.00%
发文量
4720
审稿时长
111 days
期刊介绍: The Journal of Cleaner Production is an international, transdisciplinary journal that addresses and discusses theoretical and practical Cleaner Production, Environmental, and Sustainability issues. It aims to help societies become more sustainable by focusing on the concept of 'Cleaner Production', which aims at preventing waste production and increasing efficiencies in energy, water, resources, and human capital use. The journal serves as a platform for corporations, governments, education institutions, regions, and societies to engage in discussions and research related to Cleaner Production, environmental, and sustainability practices.
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