摘要
“双碳”背景下,我国钢铁工业碳减排压力大,低碳绿色发展需求迫切。钢渣作为钢铁工业产生的主要固体废弃物,产量大,但由于其安定性能差,造成目前大量钢渣无组织堆存,综合资源化利用率低,环境影响恶劣。针对国内外研究热点——基于二氧化碳捕集的钢渣处理技术,详细分析了该技术发展现状、存在的问题、处理后钢渣制品研究以及对国家碳减排工作的潜在贡献。钢渣捕集二氧化碳技术是一项较为前沿,且具备应用前景的低碳技术,不仅可解决钢渣安定性能低的现状,促进建材化利用、减少尾渣堆存,还可利用钢铁工业废气中二氧化碳实现其消纳,有助于钢铁工业的绿色低碳发展。建议加强钢渣捕集二氧化碳技术,攻克二氧化碳捕集效率低关键难题,聚焦钢渣建材化利用技术,实现钢渣二氧化碳捕集和资源化的双重目的。
Under double carbon,our country iron and steel enterprises face huge carbon emission reduction pressure,and low carbon green development is urgent.As the main solid waste of steel industry,steel slag has a large output.However,due to its poor stability,a large amount of steel slag is accumulated without organization,and the resource utilization rate is low,resulting in the bad environmental impact.Therefore,in view of the hot research topic at home and abroad--steel slag treatment technology based on carbon dioxide capture,this paper analyzes the technology development status,technological problems,the research of steel slag products after treatment and the impact on national carbon emission reduction work in detail.Steel slag carbon capture technology is a frontier and the application prospect of low-carbon technologies.It can solve the present situation of low steel slag stability,resulting in promoting the use of building materials and reducing the tailings storage.Furthermore,it can use carbon dioxide produced by iron and steel enterprises,which helps steelmakers to realize carbon emission reduction and green and low carbon development.It is suggested to strengthen the carbon dioxide capture technology of steel slag,overcome the key problem of low carbon dioxide capture efficiency and focus on the technology of steel slag building materials utilization,so as to realize the dual purpose of carbon dioxide capture and resource utilization of steel slag.
作者
刘怡
Liu Yi(Central Research Institute of Building and Constuction Co.,Ltd,MCC Group,Beijing 100088,China)
出处
《环境工程》
CAS
CSCD
北大核心
2023年第S02期1290-1292,741,共4页
Environmental Engineering
作者简介
刘怡(1986-),男,硕士,高级工程师,主要研究方向为固体废弃物处理与处置技术。liuyi4@cribc.com
