Article(id=1304141612406305527, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304141595331293792, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1009-3842.2026.04.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1777996800000, receivedDateStr=2026-05-06, revisedDate=1783612800000, revisedDateStr=2026-07-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1788861190177, onlineDateStr=2026-09-08, pubDate=1787846400000, pubDateStr=2026-08-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1788861190177, onlineIssueDateStr=2026-09-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1788861190177, creator=13701087609, updateTime=1788861190177, updator=13701087609, issue=Issue{id=1304141595331293792, tenantId=1146029695717560320, journalId=1303687303576780880, year='2026', volume='', issue='4', pageStart='1', pageEnd='132', issueExtLink='null', onlineDate='null', pubDate='1787846400000', pubDateStr='2026-08-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1788861186106, creator='13701087609', updateTime=1788924908244, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1304408865437672371, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304141595331293792, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1304408865437672372, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304141595331293792, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=104, endPage=117, ext={EN=ArticleExt(id=1304141612607632120, articleId=1304141612406305527, tenantId=1146029695717560320, journalId=1303687303576780880, language=EN, title=Research Progress on Recovery of Valuable Elements from Steel Slag and Its Comprehensive Application, columnId=1304141596639916642, journalTitle=Copper Engineering, columnName=Special Topic: Utilization of Mining and Metallurgical Solid Waste and Pollution Control, runingTitle=null, highlight=null, articleAbstract=

The iron and steel industry is a cornerstone of the national economy, yet its production process generates a massive amount of solid waste, among which iron and steel slag is the primary by-product. For a long time, the stockpiling and landfilling of this slag have not only occupied vast land resources but also posed potential threats to the soil, water, and atmosphere due to heavy metal ions in leachate and dispersion of dust. However, steel slag is a secondary resource awaiting development, which is rich in valuable elements such as calcium, silicon, iron, aluminum, magnesium, and manganese, as well as rare metals like vanadium and titanium. Main phases of steel slag include dicalcium silicate, tricalcium silicate, and calcium ferrite. Resourcezation potential of steel slag comes from two aspects. On one hand, technologies such as magnetic separation, gravity separation, or reduction roasting can recover iron and rare metals. On the other hand, high calcium and silicon content endows it with the potential to substitute for natural mineral resources. Achieving efficient recovery of valuable elements from steel slag and comprehensive application of the overall material is crucial for promoting green, circular, and low-carbon development of the iron and steel industry. This review systematically summarized physicochemical properties of steel slag, focusing on technical principles and research progress in recovering major valuable elements like iron, calcium, and silicon, as well as rare elements such as vanadium and titanium. Simultaneously, it comprehensively outlined current status of steel slag utilization in fields such as building materials, environmental remediation, and agriculture. Finally, it analyzed current technological challenges and provided an outlook on future research directions, offering a theoretical reference and technological pathways for high value resources utilization of steel slag.

, authors=Mingjun Xiao^{1, 2}, Yanzhong Lu², Haitao Chang², authorsList=Mingjun Xiao, Yanzhong Lu, Haitao Chang, authorCompany=null, correspAuthors=Haitao Chang, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1304141612926399225, articleId=1304141612406305527, tenantId=1146029695717560320, journalId=1303687303576780880, language=CN, title=钢铁渣中有价元素回收及其综合应用研究进展, columnId=1304878720477590059, journalTitle=铜业工程, columnName=矿冶固废资源综合利用与污染防治专题, runingTitle=null, highlight=null, articleAbstract=

钢铁工业是国民经济的支柱产业，但其生产过程伴随着巨量固体废弃物产生，其中钢铁渣是最主要的副产品。长期以来，钢铁渣的堆存和填埋不仅侵占大量土地资源，其渗滤液中的重金属离子及粉尘飘散更对土壤、水体及大气构成潜在威胁。然而，钢铁渣并非废料，而是一种亟待开发的二次资源，它富含钙、硅、铁、铝、镁等主要有价元素以及钒、钛、锰等有价金属元素。从矿物学角度看，其主要物相包括硅酸二钙、硅酸三钙及铁酸钙等。这些特性决定了钢铁渣的资源化潜力：一方面，通过磁选、重选或还原焙烧等技术，可回收其中的铁元素及稀有金属；另一方面，高钙硅含量使其具备替代天然矿产资源的潜力。实现钢铁渣中有价元素的高效回收与全组分的综合应用，对于推动钢铁工业的绿色循环低碳发展至关重要。本文系统梳理了钢铁渣的物理化学特性，重点阐述了从钢铁渣中回收铁、钙、硅等主要有价元素以及钒、钛等稀有金属的技术原理与研究进展；同时，全面梳理了钢铁渣在建材、环境修复、农业等领域的综合应用研究现状；最后，分析了当前技术面临的挑战，并对未来研究方向进行了展望，以期为钢铁渣的高附加值资源化利用提供理论参考和技术思路。

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肖明军（1992―），男，甘肃定西人，博士，副教授，研究方向：原位TEM、离子电池、光电催化、电解冶金、第一性原理计算、二次资源高值化利用等，E-mail：xiaomj@lut.edu.cn

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肖明军（1992―），男，甘肃定西人，博士，副教授，研究方向：原位TEM、离子电池、光电催化、电解冶金、第一性原理计算、二次资源高值化利用等，E-mail：xiaomj@lut.edu.cn

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