Article(id=1311350736332612035, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311350454089515639, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2026.01.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1756483200000, receivedDateStr=2025-08-30, revisedDate=1760544000000, revisedDateStr=2025-10-16, acceptedDate=null, acceptedDateStr=null, onlineDate=1790579979260, onlineDateStr=2026-09-28, pubDate=1771516800000, pubDateStr=2026-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790579979260, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790579979260, creator=13701087609, updateTime=1790579979260, updator=13701087609, issue=Issue{id=1311350454089515639, tenantId=1146029695717560320, journalId=1146120122248306696, year='2026', volume='45', issue='1', pageStart='1', pageEnd='128', issueExtLink='null', onlineDate='null', pubDate='1771516800000', pubDateStr='2026-02-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790579911968, creator='13701087609', updateTime=1790588535732, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311386624836071671, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311350454089515639, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311386624836071672, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311350454089515639, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=83, endPage=89, ext={EN=ArticleExt(id=1311350736508772804, articleId=1311350736332612035, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Selective Extraction and Separation of Copper and Cobalt from Roasting-Leaching Solution of Pyrite Concentrate, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

To address the difficulty of separating copper and cobalt coexisting in the leaching solution of low-grade sulfide concentrates after roasting, a combined process of synergistic extraction-stripping-chemical precipitation was investigated to recover copper and cobalt. The results show that using P204+P507 as the extractant achieves copper extraction rate of 99.31% under the conditions of original station pH = 3, V_o∶V_a = 1∶1, and reaction time of 10 min. When N235 + C272 was used as the extractant at copper extract residue pH=4, V_o∶V_a = 2∶1 and reaction time of 10 min, the cobalt extraction rate reaches 99.63%. Using 0.2 mol/L H₂SO₄ as the stripping agent results in stripping efficiencies of 99.65% for copper and 98.65% for cobalt. With NaOH and Na₂CO₃ as precipitants, Cu(OH)₂ with a purity of 99.90% and CoCO₃ with a purity of 99.99% are obtained. The combined separation process can achieve efficient separation of copper and cobalt and produce high-purity products, providing a feasible technical approach for the comprehensive utilization of low-grade sulfur concentrate resources and having certain significance in alleviating the shortage of copper and cobalt resources in China.

, authors=Jiaxing LIU¹, Wentao XU¹, Zhenhua ZHOU², Zhanfeng ZHANG², Shuaifeng YANG², Xiuying YANG², Yupeng LI², Baisui HAN¹, authorsList=Jiaxing LIU, Wentao XU, Zhenhua ZHOU, Zhanfeng ZHANG, Shuaifeng YANG, Xiuying YANG, Yupeng LI, Baisui HAN, authorCompany=null, correspAuthors=Baisui HAN, 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=1311350736869482949, articleId=1311350736332612035, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=硫精矿焙烧—浸出液中铜和钴的选择性萃取分离研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

针对低品位硫精矿焙烧—浸出液中铜、钴伴生分离难的问题，研究了采用协同萃取—反萃取—化学沉淀联合分离工艺从中分离回收铜、钴。结果表明：采用P204+P507作萃取剂，在萃原液pH=3、V_o∶V_a =1∶1、反应时间10 min条件下，铜萃取率达99.31%；采用N235+C272作萃取剂，在铜萃余液pH=4、V_o∶V_a =2∶1、反应时间10 min条件下，钴萃取率为99.63%;再用0.2 mol/L H₂SO₄作反萃剂，铜和钴反萃取率分别可达99.65%和98.65%；最后，采用NaOH作沉淀剂，可制纯度99.90%的Cu（OH）₂产品，采用NaCO₃作沉淀剂，可获得纯度99.99%的CoCO₃产品。该联合分离工艺能实现铜、钴的高效分离，同时能制备出高纯产物，可为低品位硫精矿资源的综合利用提供一种可行的技术途径，对缓解我国铜钴资源紧缺具有一定意义。

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刘佳兴（2002—），男，硕士，主要研究方向为硫化矿湿法冶金。

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刘佳兴（2002—），男，硕士，主要研究方向为硫化矿湿法冶金。

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