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Aiming at a low-grade sandy kaolin with complex occurrence state in Hunan, a process consisting of pulping, cyclone classification, grinding for desliming and reverse flotation was developed. A closed-circuit test produced a kaolin concentrate grading 28.64% Al₂O₃ with a comprehensive yield of 49.74%, as well as a quartz concentrate grading 93.61% SiO₂ with a yield of 32.24%. It is concluded that minerals such as kaolinite and quartz can be effectively separated, thus comprehensive utilization of resources can be actualized.

, authors=Yangwu FAN, Guangqi WANG, Guixiu LI, Zhaoen LUO, Chengliang SHU, authorsList=Yangwu FAN, Guangqi WANG, Guixiu LI, Zhaoen LUO, Chengliang SHU, authorCompany=null, correspAuthors=Guangqi 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=1314908011785716010, articleId=1314908010984603944, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=湖南某低品位砂质高岭土矿物学特征与综合利用试验研究, columnId=1236276107125780707, journalTitle=矿冶工程杂志, columnName=选矿, runingTitle=null, highlight=null, articleAbstract=

针对湖南某品位较低、赋存状态较复杂的砂质高岭土矿，开发了捣浆-旋流器分级-磨矿脱泥-反浮选工艺流程，闭路试验获得了综合产率49.74%、Al₂O₃品位28.64%的高岭土精矿和产率32.24%、SiO₂品位93.61%的石英精矿，实现了高岭石、石英等矿物的有效分离，达到了资源综合利用的目的。

, authors=范洋武, 王光奇, 李桂秀, 罗招恩, 舒成樑, authorsList=范洋武, 王光奇, 李桂秀, 罗招恩, 舒成樑, authorCompany=null, correspAuthors=王光奇, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=PUc5tolyzTtIu8xGbulQOA==, magXml=TBnikjDFzpArK67iuJ8tqw==, pdfUrl=null, pdf=jYcBxLYuWe++aJ293s0ImQ==, pdfFileSize=492125, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=OZtTdmSA1oLDdeb8oE809A==, mapNumber=null, fund=null)}, authors=[Author(id=1314908012209340720, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908010984603944, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=120469370@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314908012280643890, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908010984603944, authorId=1314908012209340720, language=EN, stringName=Yangwu FAN, firstName=Yangwu, middleName=null, lastName=FAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Natural Resources Survey Institute of Hunan Province, Changsha 410007, Hunan, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314908012347752755, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908010984603944, authorId=1314908012209340720, language=CN, stringName=范洋武, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=湖南省自然资源调查所，湖南 长沙 410007, bio={"content":"

范洋武（1984-），男，湖南长沙人，工程师，主要研究方向为地质采矿与勘探。E-mail：120469370@qq.com

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范洋武（1984-），男，湖南长沙人，工程师，主要研究方向为地质采矿与勘探。E-mail：120469370@qq.com

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