Article(id=1305177708703535450, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305177706027578094, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2026.04.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1776182400000, receivedDateStr=2026-04-15, revisedDate=1778428800000, revisedDateStr=2026-05-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1789108214783, onlineDateStr=2026-09-11, pubDate=1787155200000, pubDateStr=2026-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789108214783, onlineIssueDateStr=2026-09-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789108214783, creator=13701087609, updateTime=1789108214783, updator=13701087609, issue=Issue{id=1305177706027578094, tenantId=1146029695717560320, journalId=1146120122248306696, year='2026', volume='45', issue='4', pageStart='455', pageEnd='612', issueExtLink='null', onlineDate='null', pubDate='1787155200000', pubDateStr='2026-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1789108214146, creator='13701087609', updateTime=1789108456673, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305178723335037263, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305177706027578094, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305178723335037264, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305177706027578094, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=500, endPage=509, ext={EN=ArticleExt(id=1305177711098483037, articleId=1305177708703535450, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Separation of Valuable Components from Ilmenite Tailings by Benzohydroxamic Acid-Sodium Hexametaphosphate Flotation Process, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

Aiming at the characteristics of complex intergrowth and intimate association of various mineral phases in titanium-iron tailings, which lead to difficult mineral separation, this study adopts benzohydroxamic acid as collector, sodium hexametaphosphate as depressant and 2^# oil as frother to realize flotation separation of valuable components from titanium-iron tailings. The influences of pulp pH, benzohydroxamic acid dosage, sodium hexametaphosphate dosage, 2^# oil dosage and flotation stages on the mass proportion of flotation products, TiO₂ recovery rate, TiO₂ grade and total iron mass fraction were systematically investigated, and the corresponding reaction mechanism was further discussed. The results show that under the optimal conditions of sodium hexametaphosphate dosage of 500 g/t, benzohydroxamic acid dosage of 35 kg/t, 2^# oil dosage of 1 mL and pulp pH=9, the mass proportion of floated product reaches 25.85%, the TiO₂ recovery rate is up to 42.23%, the TiO₂ grade is 14.93%, and the total iron mass fraction is 15.22%. After six stages of flotation, qualified flotation concentrate is prepared, with the floated product mass proportion of 71.82%, TiO₂ recovery rate of 75.81%, TiO₂ grade of 27.84% and total iron mass fraction of 24.49%. XRD and FT-IR analysis results demonstrate that the depressant sodium hexametaphosphate can exert an obvious inhibitory effect on pyroxene phase and silica. Benzohydroxamic acid is capable of generating adsorption behavior on the surface of titanium-iron tailings particles, which remarkably improves the overall flotation separation effect.

, authors=Xiaolong LIU¹, Jingwei LI¹, Yinhe LIN², Hongru REN³, Xinfei JIANG⁴, Cunbo BU⁴, authorsList=Xiaolong LIU, Jingwei LI, Yinhe LIN, Hongru REN, Xinfei JIANG, Cunbo BU, authorCompany=null, correspAuthors=Jingwei LI, Yinhe LIN, 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=1305177712352579934, articleId=1305177708703535450, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=苯甲羟肟酸-六偏磷酸钠浮选分离钛铁尾矿有价组分研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

针对钛铁尾矿中多种矿相共生、难以分离的问题，研究了以苯甲羟肟酸为捕收剂、六偏磷酸钠为抑制剂、2^#油为起泡剂浮选分离钛铁尾矿中有价组分。考察了矿浆pH、苯甲羟肟酸用量、六偏磷酸钠用量、2^#油用量、浮选次数等对钛铁尾矿浮选质量占比、TiO₂回收率、TiO₂品位、全铁质量分数的影响，并探讨了反应机制。结果表明：在六偏磷酸钠用量500 g/t、苯甲羟肟酸用量35 kg/t、2^#油用量1 mL、pH=9条件下，浮选产物中上浮产物质量占比达25.85%，TiO₂回收率达42.23%，TiO₂品位达14.93%，全铁质量分数达15.22%；经6次浮选可获得浮选精矿，其上浮产物质量占比达71.72%，TiO₂回收率达75.81%，TiO₂品位达27.84%，全铁质量分数达24.49%；通过XRD及FT-IR分析可知，抑制剂六偏磷酸钠的加入可对辉石相和二氧化硅起到有效抑制作用，苯甲羟肟酸可与钛铁尾矿表面形成吸附关系，提升浮选效果。

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刘小龙（2001—），男，硕士研究生，主要研究方向为钒钛资源综合利用。

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刘小龙（2001—），男，硕士研究生，主要研究方向为钒钛资源综合利用。

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