Article(id=1322559951902453776, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559901990240737, 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=1762963200000, receivedDateStr=2025-11-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793252464509, onlineDateStr=2026-10-29, pubDate=1774368000000, pubDateStr=2026-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793252464509, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793252464509, creator=13701087609, updateTime=1793252464509, updator=13701087609, issue=Issue{id=1322559901990240737, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='3', pageStart='1', pageEnd='330', issueExtLink='null', onlineDate='null', pubDate='1774368000000', pubDateStr='2026-03-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793252452609, creator='13701087609', updateTime=1793252731500, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322561071810991099, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559901990240737, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322561071810991100, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559901990240737, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=255, endPage=264, ext={EN=ArticleExt(id=1322559952061837329, articleId=1322559951902453776, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Process Mineralogy Research and Comprehensive Recovery Process Verification of a Low-Grade Gold-Silver-Copper-Lead-Zinc-Iron Polymetallic Sulfide Ore, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The grades of gold, silver, copper, lead, zinc, sulfur and iron in a low-grade polymetallic sulfide ore in western Yunnan are 1.92 g/t, 41.31 g/t, 0.39%, 1.20%, 0.42%, 9.54% and 34.92% respectively, and the content of harmful element As is 0.22%. The low-grade polymetallic sulfide ore has low grade of valuable elements, complex occurrence state, many kinds of minerals, uneven dissemination size, and difficult comprehensive recovery. The genetic characteristics of the ore, including the composition and relative content of main minerals, the dissemination relationship of the main minerals, grain size and liberation characteristics, as well as the occurrence states of gold, silver, copper, lead, zinc, sulfur and iron, were systematically investigated and determined using chemical analysis and chemical phase analysis. Based on this, the principle process of "copper-lead mixed flotation, copper-lead separation, zinc-sulfur mixed flotation, zinc-sulfur separation, and low-intensity magnetic separation for iron" was proposed. The results of laboratory process verification test show that under the condition of grinding fineness of -0.074 mm accounting for 90%, the concentrates are obtained as follows, copper concentrate with a copper grade of 21.19%, gold grade of 52.40 g/t, silver grade of 558 g/t, and copper recovery of 74.50%; lead concentrate with a lead grade of 74.66%, gold grade of 24.85 g/t, silver grade of 1 730 g/t, and lead recovery of 82.54%; zinc concentrate with a zinc grade of 46.27% and zinc recovery of 76.88%; sulfur concentrate with a sulfur grade of 45.54% and sulfur recovery of 81.91%; as well as magnetite concentrate with an iron grade of 63.47% and iron recovery of 36.87%.

, authors=Hailei ZHENG¹, Qifang GAO¹, Xiaolu YE², Kai FENG², authorsList=Hailei ZHENG, Qifang GAO, Xiaolu YE, Kai FENG, authorCompany=null, correspAuthors=Qifang GAO, 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=1322559952317689874, articleId=1322559951902453776, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=某低品位金银铜铅锌铁多金属硫化矿工艺矿物学研究及综合回收工艺验证, 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=

滇西某低品位多金属硫化矿金、银、铜、铅、锌、硫、铁品位分别为1.92 g/t、41.31 g/t、0.39%、1.20%、0.42%、9.54%、34.92%，有害元素As的含量为0.22%。该低品位多金属硫化矿有价元素品位低、赋存状态复杂，矿物种类多、嵌布粒度极不均匀，综合回收难度大。采用化学分析及化学物相分析手段，对矿石中主要矿物的组成及相对含量，主要矿物的嵌布关系、嵌布粒度及解离度特征，金、银、铜、铅、锌、硫、铁的赋存状态等“基因特征”进行了详细的研究和测定，并据此拟定“铜铅混浮—铜铅分离—锌硫混浮—锌硫分离—弱磁选铁”的原则流程。实验室工艺验证试验结果表明，在磨矿细度为-0.074 mm占90%条件下，可获得铜品位21.19%，含金52.40 g/t、银558 g/t，铜回收率74.50%的铜精矿；铅品位74.66%、含金24.85 g/t、银1 730 g/t，铅回收率82.54%的铅精矿；锌品位46.27%、锌回收率76.88%的锌精矿；硫品位45.54%、硫回收率81.91%的硫精矿；铁品位63.47%、铁回收率36.87%的磁铁精矿。

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郑海雷（1985—），男，四川雅安人，硕士，高级工程师，主要研究方向复杂共伴生资源综合利用。E-mail: 297165714@qq.com

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郑海雷（1985—），男，四川雅安人，硕士，高级工程师，主要研究方向复杂共伴生资源综合利用。E-mail: 297165714@qq.com

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