Article(id=1236327386225103848, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327378968965364, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.05.029, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1684166400000, receivedDateStr=2023-05-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772693018728, onlineDateStr=2026-03-05, pubDate=1696089600000, pubDateStr=2023-10-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772693018728, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772693018728, creator=13701087609, updateTime=1772693018728, updator=13701087609, issue=Issue{id=1236327378968965364, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='5', pageStart='1', pageEnd='177', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772693016997, creator=13701087609, updateTime=1772693111855, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236327776882577759, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327378968965364, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236327776882577760, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236327378968965364, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=127, endPage=131, ext={EN=ArticleExt(id=1236327387655360526, articleId=1236327386225103848, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Selective Recovery of Nickel, Cobalt and Manganese in Leaching Solution of Spent Lithium-Ion Batteries, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

Based on the technique for separation and recovery of metal ions in the leaching solution of spent lithium-ion batteries, nickel and cobalt ions were efficiently separated from manganese ions in leaching solution by selective precipitation of sulfide. The effects of pH value, addition coefficient of sodium sulfide, temperature and time for precipitation on the precipitation rates of nickel, cobalt and manganese ions were systematically investigated. The results show that the precipitation rates of nickel, cobalt, manganese and aluminum ions are 99.73%, 100%, 2.77% and 1.24%, respectively, after 6 min-precipitation at 25 ℃ with the addition of sodium sulfide at a coefficient of 1.5 and pH of 5.0. An orthogonal experiment shows that factors of addition coefficient of sodium sulfide, pH value, precipitation temperature and precipitation time have influence on the precipitation rates of nickel ions in a descending order, while the various factors of addition coefficient of sodium sulfide, precipitation temperature, pH value and precipitation time also have influence on the precipitation rates of cobalt ions in a descending order. It is found that the precipitation rates of manganese and aluminum can reach 99.77% and 6.86%, respectively, after a 12 min-precipitation at 70 ℃ with addition of sodium sulfide at a coefficient of 2.5 and pH of 6.0.

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研究了废旧锂离子电池浸出液中金属离子的分离回收工艺，通过硫化物选择性沉淀实现了浸出液中镍、钴离子与锰离子的高效分离与回收。研究了pH值、硫化钠加入系数、沉淀温度、沉淀时间对镍、钴、锰离子沉淀率的影响。结果表明，在沉淀温度25 ℃、硫化钠加入系数1.5、pH值5.0、沉淀时间6 min条件下，镍、钴、锰、铝离子沉淀率分别为99.73%、100%、2.77%、1.24%；正交实验结果表明，各因素对镍离子沉淀率影响的主次顺序为：硫化钠加入系数>pH值>沉淀温度>沉淀时间；对钴离子沉淀率影响的主次顺序为：硫化钠加入系数>沉淀温度>pH值>沉淀时间。在沉淀温度70 ℃、硫化钠加入系数2.5、pH值6.0、沉淀时间12 min条件下，锰、铝离子沉淀率分别为99.77%、6.86%。

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杨凯（1994—），男，陕西咸阳人，博士（后），主要研究方向为冶金固废资源化及动力电池回收。

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杨凯（1994—），男，陕西咸阳人，博士（后），主要研究方向为冶金固废资源化及动力电池回收。

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