Article(id=1321866385815360503, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321866297609146910, 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=1745769600000, receivedDateStr=2025-04-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793087105468, onlineDateStr=2026-10-27, pubDate=1779638400000, pubDateStr=2026-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793087105468, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793087105468, creator=13701087609, updateTime=1793087105468, updator=13701087609, issue=Issue{id=1321866297609146910, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='5', pageStart='1', pageEnd='312', issueExtLink='null', onlineDate='null', pubDate='1779638400000', pubDateStr='2026-05-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793087084438, creator='13701087609', updateTime=1793094562481, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321897662853533805, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321866297609146910, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321897662853533806, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321866297609146910, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=261, endPage=267, ext={EN=ArticleExt(id=1321866386184459256, articleId=1321866385815360503, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Effect of Naphthyl Hydroxamic Acid on the Flotation Separation of Ilmenite and Titanaugite, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Ilmenite and titanaugite have similar physicochemical properties, and their flotation separation is difficult to achieve. Through flotation tests, Zeta potential measurements and adsorption capacity tests, the adsorption mode and action mechanism of naphthyl hydroxamic acid on the surfaces of ilmenite and titanaugite were investigated, and the key factors affecting flotation performance were clarified. The results show that the adsorption capacity of naphthyl hydroxamic acid on ilmenite is significantly higher than that on titanaugite, and its influence on the surface potential of ilmenite is greater than that on titanaugite. Such adsorption differences increase the flotation difference between ilmenite and titanaugite. The results of actual ore flotation tests show that when naphthyl hydroxamic acid is used as the collector for ilmenite, a titanium concentrate with TiO₂ grade of 47.26% and recovery rate of 80.60% can be obtained in the closed-circuit flotation test, achieving the flotation separation of ilmenite and titanaugite. The research results can provide theoretical support for the development of novel flotation reagents for ilmenite and the optimization of titanium ore flotation processes.

, authors=Cheng Feng^{1, 2}, Zhongxu Qi^{1, 2}, Dayong Sun^{1, 2}, Linli Ouyang^{1, 2}, Jie Li^{1, 2}, Shunyuan Xiao^{1, 2}, Jiayan Liu^{1, 2}, authorsList=Cheng Feng, Zhongxu Qi, Dayong Sun, Linli Ouyang, Jie Li, Shunyuan Xiao, Jiayan Liu, authorCompany=null, correspAuthors=null, 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=1321866386595501049, articleId=1321866385815360503, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=萘基羟肟酸对钛铁矿与钛辉石浮选的影响, 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=

钛铁矿和钛辉石性质相近，浮选分离难度较大。通过浮选试验、Zeta电位测试和吸附量测试，探讨了萘基羟肟酸在钛铁矿和钛辉石矿物表面的吸附方式和作用机制，明确影响浮选性能的关键因素。结果表明，萘基羟肟酸在钛铁矿表面的吸附量显著高于钛辉石，对钛铁矿表面电位的影响比对钛辉石表面电位的影响大，这种吸附差异增加了钛铁矿与钛辉石的浮选差异。实际矿石浮选试验结果表明，使用萘基羟肟酸作为钛铁矿捕收剂，浮选闭路试验可以得到TiO₂品位47.26%、回收率为80.60%的钛精矿，实现了钛铁矿和钛辉石的浮选分离。研究结果可为钛铁矿新型浮选药剂的开发和钛矿浮选工艺的优化提供理论支撑。

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冯程（1989—），女，湖北仙桃人，硕士，高级工程师，主要从事选矿技术研究。E-mail: 1060213867@qq.com

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冯程（1989—），女，湖北仙桃人，硕士，高级工程师，主要从事选矿技术研究。E-mail: 1060213867@qq.com

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