Article(id=1305178415976439996, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305178373467169689, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2026.03.015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1763913600000, receivedDateStr=2025-11-24, revisedDate=1770566400000, revisedDateStr=2026-02-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1789108383410, onlineDateStr=2026-09-11, pubDate=1781884800000, pubDateStr=2026-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789108383410, onlineIssueDateStr=2026-09-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789108383410, creator=13701087609, updateTime=1789108383410, updator=13701087609, issue=Issue{id=1305178373467169689, tenantId=1146029695717560320, journalId=1146120122248306696, year='2026', volume='45', issue='3', pageStart='273', pageEnd='454', issueExtLink='null', onlineDate='null', pubDate='1781884800000', pubDateStr='2026-06-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789108373275, creator='13701087609', updateTime=1789108489171, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305178859612168540, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305178373467169689, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305178859612168541, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1305178373467169689, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=399, endPage=407, ext={EN=ArticleExt(id=1305178417725464765, articleId=1305178415976439996, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Cyclic Leaching of Low-grade Manganese Carbonate Ore to Enrich Manganese, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

The leaching of manganese from low-grade manganese carbonate ore by sulfuric acid without reducing agent was studied. The effects of key parameters such as mineral particle size, sulfuric acid concentration and liquid volume to solid mass ratio on the leaching rate of manganese were investigated by single factor test, and the cyclic leaching process was optimized. The results show that under the conditions of ore particle size －300 μm－+150 μm proportion ≥ 95%, sulfuric acid concentration of 5.5 mol/L, reaction temperature of 60 ℃, each cycle leaching time of 30 min, liquid volume to solid mass ratio of 4∶1, and 4 extraction cycles of leaching, the average leaching rate of manganese is 98.35%, and the mass concentration of manganese in the leaching solution is 101.62 g/L. The proportion of manganese and impurities in the leaching solution is coordinated, and the solution composition is equivalent to the solution composition obtained by the leaching of imported manganese carbonate ore, which can provide qualified feed solution for the next step of manganese deep processing.

, authors=Danyang YAN, Chaobo TANG, Jianguang YANG, Weiwei WU, Ziyi YANG, Xinmai ZHU, Xiaobin FAN, authorsList=Danyang YAN, Chaobo TANG, Jianguang YANG, Weiwei WU, Ziyi YANG, Xinmai ZHU, Xiaobin FAN, authorCompany=null, correspAuthors=Jianguang YANG, 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=1305178417998094526, articleId=1305178415976439996, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=低品位碳酸锰矿循环浸出富集锰工艺研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

研究了在不添加还原剂条件下，采用硫酸从低品位碳酸锰矿中浸出锰。通过单因素试验，考察了矿物粒度、硫酸浓度、液固体积质量比等关键参数对锰浸出率的影响规律，并优化了循环浸出工艺。结果表明：在矿石粒度－300 μm~+150 μm占比≥95%、硫酸浓度5.5 mol/L、反应温度60 ℃、每次循环浸出时间30 min、液固体积质量比4∶1条件下浸出4次后，锰平均浸出率为98.35%，浸出液中Mn质量浓度为101.62 g/L。所得浸出液中锰与杂质的比例协调，溶液成分与国外进口碳酸锰矿浸出液成分相当，可为下一步锰深加工提供合格料液。

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严丹阳（2002—），女，硕士研究生，主要研究方向为湿法冶金、有色冶金冶炼。

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严丹阳（2002—），女，硕士研究生，主要研究方向为湿法冶金、有色冶金冶炼。

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