中国钢铁行业CO<sub>2</sub>减排技术及成本研究

董金池; 汪旭颖; 蔡博峰; 王金南; 刘惠; 杨璐; 夏楚瑜; 雷宇

doi:10.13205/j.hjgc.202110004

中国钢铁行业CO₂减排技术及成本研究

doi: 10.13205/j.hjgc.202110004

董金池^1,2,
汪旭颖²,
蔡博峰²,
王金南²,
刘惠³,
杨璐³,
夏楚瑜⁴,
雷宇^2, ,

1. 南京大学环境学院污染控制与资源化研究国家重点实验室, 南京 210023;
2. 生态环境部环境规划院碳达峰碳中和研究中心, 北京 100012;
3. 武汉大学资源与环境科学学院, 武汉 430079;
4. 北京师范大学环境学院环境模拟与污染控制国家重点实验室, 北京 100875

基金项目:

基于排放情景-空气质量模型的中国城市"双达"评估方法研究（72074154）。

详细信息

作者简介:
董金池(1997-),男,博士研究生,主要研究方向为碳排放社会成本及边际减排成本。dongjinchi@163.com

通讯作者:
雷宇(1980-),男,研究员,主要研究方向为大气环境规划。leiyu@caep.org.cn

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出版历程
- 收稿日期: 2021-07-01
- 网络出版日期: 2022-01-26

MITIGATION TECHNOLOGIES AND MARGINAL ABATEMENT COST FOR IRON AND STEEL INDUSTRY IN CHINA

1. State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China;
2. Center for Carbon Neutrality, Chinese Academy of Environmental Planning, Beijing 100012, China;
3. School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China;
4. State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China

摘要

摘要: 钢铁行业是我国主要的能源消费及CO₂排放行业，推动钢铁行业低碳绿色发展已成为实现我国碳达峰、碳中和的重要环节。为此，研究围绕能源结构调整、工艺结构优化、节能减排技术推广和CCUS技术应用4方面，通过设置基础情景、稳定发展情景和强化减排情景3类情景，利用边际减排成本曲线对我国钢铁行业34项减排技术的减排成本和减排潜力进行分析。结果表明：在稳定发展情景下，我国钢铁行业平均减排成本为433元/tCO₂，所有技术的总减排成本为2100亿元，总减排潜力为4.9亿t。在各项减排技术中，废铁-电弧炉炼钢具有较高的减排经济效益，其以较低的单位减排成本贡献了钢铁行业近50%的碳减排量。未来，我国应加快推进长流程炼钢向短流程炼钢的发展，推动钢铁行业生产工艺的结构性调整。
- 钢铁行业 /
- 边际减排成本曲线 /
- 氢能 /
- 碳达峰
Abstract: Promoting the low-carbon development of the iron and steel industry has become an important part of achieving carbon peaking and carbon neutrality in China, as it's a major energy consumption and CO₂ emitting industry. In this paper, we analyzed the key abatement technologies and the abatement costs for iron and steel industry under three types of scenarios and four decarbonization aspects:energy structure adjustment, process structure optimization, energy saving and emission reduction technology promotion, and CCUS technology application, to reveal the emission reduction priority of each technology. The results indicated that, under the steady development scenario, the average abatement cost for iron and steel industry was RMB 433/t CO₂. The total abatement cost of all the technologies was RMB 210 billion, with a total carbon abatement volume of 490 million tons. Among the various abatement technologies, scrap-EAF had the best economic efficiency, contributing nearly half of the total abatement in the iron and steel industry, indicating that the scarp-EAF becomes an essential measure for China's iron and steel industry to achieve the target of carbon peak and carbon neutrality.
- iron and steel industry /
- marginal abatement cost curve /
- hydrogen energy /
- carbon emission peak

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