Article(id=1322560045737431202, 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=1744646400000, receivedDateStr=2025-04-15, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793252486881, onlineDateStr=2026-10-29, pubDate=1777046400000, pubDateStr=2026-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793252486881, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793252486881, creator=13701087609, updateTime=1793252486881, 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=257, endPage=264, ext={EN=ArticleExt(id=1322560046035226787, articleId=1322560045737431202, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Experimental Study on Reconcentration of a Graphite Tailings in Heilongjiang, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In view of the situation that the graphite contained in graphite tailings is not fully recovered, experiments on graphite recovery were carried out on graphite tailings from a certain area in Heilongjiang with a fixed carbon content of 3.40%. The properties of graphite tailings were investigated by chemical multi-element analysis, XRD analysis and optical microscopy analysis methods. On this basis, roughing condition experiments and stage grinding-stage separation experiments of graphite tailings were carried out. The results indicate that graphite in the tailings mostly occurs in the form of inclusions or paragenesis adjacent to other minerals. Graphite particles vary in size and are mostly distributed in the +0.09 mm size fraction of the tailings. To fully liberate graphite from the tailings and avoid argillization, a multi-stage grinding and multi-stage separation flowsheet should be adopted. When the grinding fineness of the -200 mesh content is 29.52%, the flotation mass concentration is 20%, the kerosene dosage is 300 g/t, and the No.2 oil dosage is 50 g/t, graphite rough concentrate with a fixed carbon content of 15.62% and a recovery rate of 72.88% is obtained. A closed-circuit flotation test was carried out on the graphite tailings by adopting the process of four-stage grinding, one roughing, five cleaning, and combined middlings returning. Graphite concentrate with a fixed carbon content of 81.33% and a recovery rate of 61.51% is obtained.

, authors=Chenxi HU^{1, 2}, Shuxian LIU^{1, 2}, Yue LIU^{1, 2}, Jiani LIU^{1, 2}, Zhigang GAO³, Xiangguo ZHANG³, Ling WANG^{1, 2}, Yimiao NIE^{1, 2}, authorsList=Chenxi HU, Shuxian LIU, Yue LIU, Jiani LIU, Zhigang GAO, Xiangguo ZHANG, Ling WANG, Yimiao NIE, authorCompany=null, correspAuthors=Shuxian LIU, 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=1322560046588874916, articleId=1322560045737431202, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=黑龙江某石墨尾矿的再选试验研究, 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=

针对石墨尾矿中赋存的石墨未得到充分回收的现状，对黑龙江某地固定碳含量为3.40%的石墨尾矿进行了回收石墨的试验。运用化学多元素分析、XRD分析和光学显微镜分析方法研究了石墨尾矿的性质，在此基础上进行了石墨尾矿粗选条件试验、阶段磨矿阶段选别试验。结果表明：该尾矿中的石墨多以包裹体或与其他矿物毗邻共生的形式赋存，石墨颗粒大小不一，多存在于+0.09 mm粒级的尾矿中，为使尾矿中石墨得到充分解离，且避免泥化，应采用多段磨矿、多段选别的工艺流程；当磨矿细度为-200目含量占29.52%、浮选质量浓度为20%、煤油用量为300 g/t、2号油用量为50 g/t时，获得了固定碳含量为15.62%、回收率为72.88%的石墨粗精矿；采用“四段磨矿、一次粗选、五次精选、中矿合一返回”工艺流程对该石墨尾矿进行了闭路浮选试验，试验获得了固定碳含量为81.33%、回收率为61.51%的石墨精矿。

, authors=胡晨曦^{1, 2}, 刘淑贤^{1, 2}, 刘悦^{1, 2}, 刘佳倪^{1, 2}, 高志刚³, 张相国³, 王玲^{1, 2}, 聂轶苗^{1, 2}, authorsList=胡晨曦, 刘淑贤, 刘悦, 刘佳倪, 高志刚, 张相国, 王玲, 聂轶苗, authorCompany=null, correspAuthors=刘淑贤, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=j7OAsXTyOXx+4F8v9UdowA==, magXml=vcmZ1KXHxujYFiEaS98mlA==, pdfUrl=null, pdf=VYaNma4W1X9KCIP3Uq+G0w==, pdfFileSize=4715294, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=L+dO/itWfmDPZcG+lxSW0A==, mapNumber=null, fund=null)}, authors=[Author(id=1322560047276740783, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322560045737431202, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1185985884@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322560047385792690, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322560045737431202, authorId=1322560047276740783, language=EN, stringName=Chenxi HU, firstName=Chenxi, middleName=null, lastName=HU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, 2}, address=^1.College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
^2.Hebei Key Laboratory of Mining Development and Safety Technology, Tangshan, Hebei 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322560047473873075, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322560045737431202, authorId=1322560047276740783, language=CN, stringName=胡晨曦, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, 2}, address=^1．华北理工大学 矿业工程学院，河北 唐山市　063210
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胡晨曦（2001—），女，河北衡水人，硕士研究生，主要研究方向为矿产资源综合利用。E-mail:1185985884@qq.com

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胡晨曦（2001—），女，河北衡水人，硕士研究生，主要研究方向为矿产资源综合利用。E-mail:1185985884@qq.com

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