Application and mechanism analysis of steel slag in resource recovery and environmental remediation: A review

IF 5 2区工程技术 Q1 ENGINEERING, CHEMICAL Minerals Engineering Pub Date : 2025-03-28 DOI:10.1016/j.mineng.2025.109268

Jiarui Gu , Chao Wei , Pengfei Wu , Zhen Cao , Yujie Shao , Xiaoming Liu , Zengqi Zhang

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Abstract

The vigorous development of the steel industry has led to a significant increase in the accumulation of steel slag, causing serious environmental pollution. Consequently, there is a pressing need to explore additional methods for effectively treating steel slag. The Ca, Fe and other valuable elements in steel slag that can be recovered to produce high value-added products by analyzing the chemical composition of steel slag. In addition, steel slag with high specific surface area and porosity after grinding is considered to have good potential to treat pollutants. Therefore, it is also usually prepared as an environmental functional material to remove pollutants. This paper introduced the physical and chemical properties of steel slag. At the same time, this paper reviewed and analyzed the applications and mechanisms of steel slag in resource recovery and environmental remediation. This paper will provide a reference for the recovery of valuable elements from steel slag and the utilization of steel slag for the preparation of environmentally functional materials for the removal of pollutants. Finally, some critical suggestions are given for steel slag in resource recovery and environmental remediation.

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钢渣在资源回收和环境修复中的应用及机理分析

钢铁工业的蓬勃发展导致钢渣堆积量显著增加，造成严重的环境污染。因此，迫切需要探索有效处理钢渣的其他方法。通过对钢渣化学成分的分析，发现钢渣中可以回收生产高附加值产品的Ca、Fe等有价元素。此外，研磨后的钢渣具有较高的比表面积和孔隙率，具有较好的处理污染物的潜力。因此，它通常也作为一种环境功能材料来制备，以去除污染物。本文介绍了钢渣的理化性质。同时，对钢渣在资源回收和环境修复中的应用及其机理进行了综述和分析。本文将为钢渣中有价元素的回收和利用钢渣制备去除污染物的环保功能材料提供参考。最后，对钢渣资源回收和环境修复提出了关键建议。

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来源期刊

Minerals Engineering 工程技术-工程：化工

CiteScore

8.70

自引率

18.80%

发文量

519

审稿时长

81 days

期刊介绍： The purpose of the journal is to provide for the rapid publication of topical papers featuring the latest developments in the allied fields of mineral processing and extractive metallurgy. Its wide ranging coverage of research and practical (operating) topics includes physical separation methods, such as comminution, flotation concentration and dewatering, chemical methods such as bio-, hydro-, and electro-metallurgy, analytical techniques, process control, simulation and instrumentation, and mineralogical aspects of processing. Environmental issues, particularly those pertaining to sustainable development, will also be strongly covered.