Article(id=1322560051957584105, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559951067792299, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1752163200000, receivedDateStr=2025-07-11, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793252488363, onlineDateStr=2026-10-29, pubDate=1777046400000, pubDateStr=2026-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793252488363, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793252488363, creator=13701087609, updateTime=1793252488363, updator=13701087609, issue=Issue{id=1322559951067792299, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='4', pageStart='1', pageEnd='294', issueExtLink='null', onlineDate='null', pubDate='1777046400000', pubDateStr='2026-04-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793252464310, creator='13701087609', updateTime=1793252763065, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322561204200001631, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559951067792299, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322561204200001632, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559951067792299, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=240, endPage=248, ext={EN=ArticleExt(id=1322560052125356266, articleId=1322560051957584105, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Research on the Beneficiation Process of a Fluorite-Rare Earth Polymetallic Ore in Henan Province, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To effectively solve the dual technical problems of separation of fluorite, rare earth and minerals containing calcium, barium/strontium separation and separation of fluorite and rare earth in a fluorite-rare earth polymetallic ore in Henan Province, as well as the comprehensive utilization of low-grade molybdenum and lead, the beneficiation process was studied. The grade of CaF₂ and REO in the fluorite-rare earth polymetallic ore are 21.73% and 1.56%, respectively, accompanied by molybdenum and lead, and their grades are 0.055% and 0.54%, respectively. The content of calcite and barite in the gangue component is high, and it is closely related to fluorite and rare earth. The principle process of "first flotation enrichment of molybdenum and lead, then recovery of fluorite and rare earth" and the mineral processing scheme of "fluorite and rare earth mixed flotation" + "magnetic-gravity combined separation" were adopted. Modified fatty acid collectors CK-1 and CK-2 were used in combination, and calcium, barium/strontium gangue was strengthened and inhibited by acidified water glass. The whole process closed circuit test obtained lead concentrate with a Pb grade of 55.12% and a Pb recovery rate of 33.63%; molybdenum lead intermediate ore with a Mo grade of 3.28%, a Pb grade of 7.95%, a Mo recovery rate of 56.86%, and a Pb recovery rate of 13.03%; fluorite concentrate with a CaF₂ grade of 95.41% and a CaF₂ recovery rate of 79.32%; rare earth concentrate with a REO grade of 56.83% and a REO recovery rate of 45.10%. The process realizes the efficient recovery of fluorite and rare earth and the comprehensive utilization of molybdenum and lead, which provides technical support for the development and utilization of the complex polymetallic ore.

, authors=Jie LI^{1, 2}, Zhongxu QI^{1, 2, 3}, Shihong XU^{3, 4}, Xu JIANG^{1, 2}, Zhiwei ZHU^{1, 2}, authorsList=Jie LI, Zhongxu QI, Shihong XU, Xu JIANG, Zhiwei ZHU, authorCompany=null, correspAuthors=null, 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=1322560052360237291, articleId=1322560051957584105, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=河南某萤石-稀土多金属矿选矿工艺研究, columnId=1226462297560892399, journalTitle=矿业研究与开发, columnName=选矿与资源综合利用, runingTitle=null, highlight=null, articleAbstract=

为有效解决河南某萤石-稀土多金属矿萤石、稀土与含钙、钡/锶矿物分离和萤石与稀土分离的双重技术难题，以及低品位钼、铅的综合利用问题，开展了选矿工艺研究。该萤石-稀土多金属矿原矿CaF₂和REO品位分别为21.73%和1.56%，伴生钼和铅，品位分别为0.055%和0.54%，脉石组分中方解石、重晶石等含量较高，且与萤石、稀土的嵌连关系较密切。采用“先浮选富集钼铅-再回收萤石和稀土”原则工艺和“萤石与稀土混浮”+“磁-重联合分离”的选矿方案，组合使用改性脂肪酸捕收剂CK-1和CK-2，并通过酸化水玻璃强化抑制含钙、钡/锶脉石。全流程闭路试验获得Pb品位为55.12%、Pb回收率为33.63%的铅精矿；Mo品位为3.28%、Pb品位为7.95%，Mo回收率为56.86%、Pb回收率为13.03%的钼铅中矿；CaF₂品位为95.41%、CaF₂回收率为79.32%的萤石精矿；REO品位为56.83%、REO回收率为45.10%的稀土精矿。该工艺实现了萤石、稀土的高效回收和钼、铅的综合利用，为该复杂多金属矿的开发利用提供了技术支撑。

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李杰（1991—），男，河南信阳人，硕士，工程师，主要从事选矿工艺及药剂研发工作。E-mail:1021773179@qq.com

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李杰（1991—），男，河南信阳人，硕士，工程师，主要从事选矿工艺及药剂研发工作。E-mail:1021773179@qq.com

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