Article(id=1321897321055498964, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321897310649434924, 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=1779811200000, receivedDateStr=2026-05-27, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793094481004, onlineDateStr=2026-10-27, pubDate=1790265600000, pubDateStr=2026-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793094481004, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793094481004, creator=13701087609, updateTime=1793094481004, updator=13701087609, issue=Issue{id=1321897310649434924, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='9', pageStart='1', pageEnd='346', issueExtLink='null', onlineDate='null', pubDate='1790265600000', pubDateStr='2026-09-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793094478523, creator='13701087609', updateTime=1793094618231, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321897896698561428, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321897310649434924, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321897896698561429, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321897310649434924, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=302, endPage=311, ext={EN=ArticleExt(id=1321897321252631253, articleId=1321897321055498964, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Experimental Study on Technical Renovation for Efficient Recovery of Micro-Fine Cassiterite from a Complex Polymetallic Tin Ore in Yunnan, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The recovery rate of micro-fine cassiterite in a complex polymetallic tin ore in Yunnan has long been low, seriously restricting the improvement of comprehensive beneficiation indicators. Through systematic analysis of tin loss characteristics, the causes of tin loss were identified. Analysis of tin loss characteristics shows that the disseminated grain size of cassiterite is mainly concentrated in the range of 5-40 μm, with the proportion of the -20 μm fraction exceeding 55%, and the dissociation degree of cassiterite is only 31.63% at the current grinding fineness. The selectivity of the three-stage series hydrocyclone desliming is poor, the metal distribution rate of +10 μm cassiterite in the desliming overflow reaches 63.62%, and the cumulative tin metal loss from the multi-stage hydrocyclone desliming operation is about 7%. Conventional mechanical agitation flotation machines have insufficient recovery efficiency for -10 μm ultra-fine cassiterite. Technical renovation tests were carried out to break through the technical bottleneck of efficient recovery of micro-fine cassiterite. The results show that by replacing the vertical stirred mill with an IsaMill for fine grinding, the content of the -38 μm fraction increases from 50% to 75%, and the dissociation degree of cassiterite increases from 46.37% to 84.21%. By replacing the three-stage hydrocyclone with a decanter centrifuge for one-stage desliming, the tin recovery rate in the underflow increases by 8.39 percentage points. By applying a microbubble flotation column to replace the conventional mechanical agitation flotation machine, along with simplifying the flowsheet structure, the tin recovery rate is increased by 7.98 percentage points compared with on-site production. Simultaneously, the flotation reagent regime is optimized by adopting the combined collectors YK-Sn, Sn-705, and Sn-F, which increases the recovery rate of the tin rougher concentrate by 6.03 percentage points compared with the original collectors. Through the systematic integration of fine grinding, high-efficiency desliming, enhanced flotation and reagent optimization, the problem of micro-fine cassiterite recovery can be effectively solved, and the pilot combined flowsheet has achieved good recovery results. The research results can provide a reference technical route for the efficient recovery of micro-fine cassiterite from similar complex polymetallic tin ores.

, authors=Xixiong Lan¹, Guanghu Zhao¹, Na Yang¹, Hao Yang^{2, 3, 4, 5}, authorsList=Xixiong Lan, Guanghu Zhao, Na Yang, Hao Yang, authorCompany=null, correspAuthors=Guanghu Zhao, 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=1321897321500095190, articleId=1321897321055498964, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=云南某复杂多金属锡矿微细粒锡石高效回收技改试验研究, 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=

云南某复杂多金属锡矿微细粒锡石回收率长期偏低，严重制约选矿综合指标提升。通过系统分析锡损失特征查明了锡损失原因。锡损失特征分析表明，锡石嵌布粒度主要集中在5~40 μm，-20 μm粒级占比超过55%，现有磨矿细度下锡石单体解离度仅为31.63%；三级旋流器串联脱泥选择性较差，脱泥溢流中+10 μm锡石金属分布率达63.62%，三级旋流器多级脱泥作业累计锡金属损失约7%；常规机械搅拌浮选机对-10 μm超细粒锡石回收效率不足。通过开展技改试验突破微细粒锡石高效回收的技术瓶颈，结果表明，采用艾砂磨机细磨替代立磨机，-38 μm含量由50%提高至75%，锡石单体解离度从46.37%提升至84.21%；以卧螺离心机一级脱泥替代三级旋流器，沉砂锡回收率提高8.39个百分点；应用微泡浮选柱替代常规机械搅拌浮选机，配合流程结构简化，锡回收率较现场生产提升7.98个百分点；同步优化浮选药剂制度，采用YK-Sn、Sn-705、Sn-F组合捕收剂，锡粗精矿回收率较原有捕收剂提高6.03个百分点。通过细磨、高效脱泥、强化浮选与药剂优化的系统集成，可有效解决微细粒锡石回收难题，该半工业组合流程取得了较好的回收效果。研究结果可为同类复杂多金属锡矿中微细粒锡石的高效回收提供可借鉴的技术路径。

, authors=兰希雄¹, 赵光虎¹, 杨娜¹, 杨浩^{2, 3, 4, 5}, authorsList=兰希雄, 赵光虎, 杨娜, 杨浩, authorCompany=null, correspAuthors=赵光虎, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=AhzthvV28F2b0viTNW5L+g==, magXml=f2iq1hEjsSgYSVEXj3IWkw==, pdfUrl=null, pdf=8Or1ayvBsdnjsZR8iddKUQ==, pdfFileSize=2405411, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=X95DCvPm3i89zpWReurISg==, mapNumber=null, fund=null)}, authors=[Author(id=1321897324150895336, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321897321055498964, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=jxlanxx@126.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321897324247364330, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321897321055498964, authorId=1321897324150895336, language=EN, stringName=Xixiong Lan, firstName=Xixiong, middleName=null, lastName=Lan, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Yunnan Hualian Zinc & Indium Co., Ltd., Wenshan Zhuang and Miao Autonomous Prefecture, Yunnan 663701, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321897324314473195, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321897321055498964, authorId=1321897324150895336, language=CN, stringName=兰希雄, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．云南华联锌铟股份有限公司，云南 文山壮族苗族自治州　663701, bio={"content":"

兰希雄（1969—），男，江西赣州人，正高级工程师，主要从事复杂多金属矿综合回收技术研究。E-mail:jxlanxx@126.com

"}, bioImg=null, bioContent=

兰希雄（1969—），男，江西赣州人，正高级工程师，主要从事复杂多金属矿综合回收技术研究。E-mail:jxlanxx@126.com

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^3.Minmetals National Innovation Center Technology (Hunan) Co., Ltd., Changsha, Hunan 410012, China
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^4．湖南省矿山固废综合利用工程技术研究中心，湖南 长沙　410012
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