Article(id=1314908031201141615, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907935172551117, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.03.036, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1765296000000, receivedDateStr=2025-12-10, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428104447, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428104447, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428104447, creator=13701087609, updateTime=1791428104447, updator=13701087609, issue=Issue{id=1314907935172551117, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='3', pageStart='1', pageEnd='297', issueExtLink='null', onlineDate='null', pubDate='1780243200000', pubDateStr='2026-06-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791428081553, creator='13701087609', updateTime=1791430444568, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314917846770082179, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907935172551117, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314917846770082180, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907935172551117, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=238, endPage=243, ext={EN=ArticleExt(id=1314908031670903664, articleId=1314908031201141615, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Feasibility Study on Iron Extraction from Iron Concentrate of Red Mud by Sintering and Pyrometallurgical Process, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

An innovative technical route consisting of sintering and pyrometallurgical processing technique was proposed to extract iron from an iron concentrate of red mud. The results show that under the following optimal sintering conditions for high-alumina iron concentrate, including fuel ratio of 12%, moisture content of 18.5%-19.0%, and basicity (R₂) of approximately 4.85 (with quicklime as flux), the obtained sinter has its metallurgical properties meet the requirements of small-scale smelting equipment. To improve the fluidity of final high-alumina slag from blast furnace smelting, 17% calcium oxide is added for modification, leading to the viscosity of the slag down to 0.61 Pa·s at 1 450 ℃. As a result, an efficient slag-iron separation can be actualized. Such slag can be used to prepare premelted slag or synthetic slag. Compared with conventional technique for iron recovery from red mud, this process is characterized by a short flow, low cost and large processing capacity. This research provides a theoretical basis for resource utilization of red mud by using solid waste smelting furnaces and laboratory-scale blast furnaces.

, authors=Ying LIN¹, Jianjun GAO^{2, 3}, Feng WANG^{2, 3}, Bingqiang WU^{2, 3}, Wei WU¹, authorsList=Ying LIN, Jianjun GAO, Feng WANG, Bingqiang WU, Wei WU, authorCompany=null, correspAuthors=Feng WANG, 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=1314908032513958769, articleId=1314908031201141615, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=赤泥铁精矿烧结-火法提铁的可行性研究, columnId=1236276107322913000, journalTitle=矿冶工程杂志, columnName=冶金, runingTitle=null, highlight=null, articleAbstract=

提出了一种赤泥铁精矿烧结-火法提铁的创新技术路径。结果表明，高铝赤泥铁精矿烧结优化条件为：燃料比12%、水分18.5%~19.0%、碱度R₂≈4.85（生石灰作为熔剂），所得烧结矿冶金性能可满足小型冶炼设备要求。通过向高铝冶炼终渣外配17% CaO进行改性，1 450 ℃时终渣黏度降至0.61 Pa·s，实现渣铁高效分离，终渣可以用作预熔渣或者合成渣。与传统赤泥回收方法相比，该工艺流程短、成本低、处理量大，可为赤泥在固体废物熔炼炉或小型实验高炉中的资源化利用提供理论依据。

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林瑛（1981—），男，辽宁沈阳人，硕士，高级工程师，主要从事炼钢工艺及固废资源化利用。E-mail: linying23456@163.com

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林瑛（1981—），男，辽宁沈阳人，硕士，高级工程师，主要从事炼钢工艺及固废资源化利用。E-mail: linying23456@163.com

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