Article(id=1314907730222084213, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907656704324517, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.01.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1757347200000, receivedDateStr=2025-09-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428032689, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428032689, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428032689, creator=13701087609, updateTime=1791428032689, updator=13701087609, issue=Issue{id=1314907656704324517, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='1', pageStart='1', pageEnd='206', issueExtLink='null', onlineDate='null', pubDate='1769875200000', pubDateStr='2026-02-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791428015160, creator='13701087609', updateTime=1791430491940, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314918045139690301, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907656704324517, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314918045139690302, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907656704324517, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=102, endPage=107, ext={EN=ArticleExt(id=1314907730599571574, articleId=1314907730222084213, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Flotation Separation and Its Mechanism of Lead-Zinc Sulfide Ore Under Low-Alkali Conditions, columnId=1236276106932842717, journalTitle=Mining and Metallurgical Engineering, columnName=MINERAL PROCESSING, runingTitle=null, highlight=null, articleAbstract=

A lead-zinc sulfide ore with high sulfur content in a mine always causes calcium scaling in pipelines in practical production, and also requires strong acid activation in the subsequent sulfur floatation. In consideration of these disadvantages, a new reagent was proposed to be used in flotation process under alkaline conditions for improving the floatation indicators. Then, an experiment was conducted by adopting a process of preferential flotation of lead-zinc-sulfur in sequence under low-alkaline conditions with a new collector (BN+311) and a new activator (H1). It is shown that with the raw ore assaying 4.20% Pb, 9.39% Zn and 30.27% S, the sequential flotation of lead, zinc and sulfur yields a lead concentrate grading 55.37% Pb (containing 1.98% Zn and 24.95% S), a zinc concentrate grading 53.49% Zn, and a sulfur concentrate grading 48.07% S (containing 0.50% Pb and 0.26% Zn); while the contents of Pb and Zn in the tailings are 0.66% and 0.37%, respectively. By reducing the on-site pulp pH from 12 to about 9, qualified lead and zinc concentrates can be produced by adopting this process, and the sulfur concentrate can also be obtained with low contents of Pb and Zn, presenting excellent flotation indicators.

, authors=Zhongyu CHEN^{1, 2}, Qiang LIU², Guanfei ZHAO¹, Tingsheng QIU¹, Wen YU¹, Song LIU³, Wenhui YANG¹, authorsList=Zhongyu CHEN, Qiang LIU, Guanfei ZHAO, Tingsheng QIU, Wen YU, Song LIU, Wenhui YANG, authorCompany=null, correspAuthors=Guanfei ZHAO, 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=1314907730998030455, articleId=1314907730222084213, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=低碱条件下铅锌硫化矿浮选分离及机理研究, columnId=1236276107125780707, journalTitle=矿冶工程杂志, columnName=选矿, runingTitle=null, highlight=null, articleAbstract=

针对某铅锌硫化矿含硫较高、实际生产中存在高碱工艺带来的管道结钙、后续采用强酸活化选硫等弊端，在低碱条件下采用新药剂进行了低碱铅-锌-硫依次优先浮选的流程试验。采用新型铅捕收剂BN+311和新型硫活化剂H1，在原矿Pb品位4.20%、锌品位9.39%、硫品位30.27%条件下，经过铅、锌、硫依次浮选，得到了Pb品位55.37%的铅精矿（其中锌、硫含量分别为1.98%、24.95%）、Zn品位53.49%的锌精矿和S品位48.07%的硫精矿（其中铅、锌含量分别为0.50%和0.26%），尾矿中铅、锌含量分别为0.66%、0.37%。该流程在降低矿浆pH值（由现场的pH>12降至pH值9左右）的情况下，得到了合格的铅精矿及锌精矿，并且硫精矿中铅、锌含量低，指标较好。

, authors=陈忠玉^{1, 2}, 刘强², 赵冠飞¹, 邱廷省¹, 余文¹, 刘松³, 杨雯慧¹, authorsList=陈忠玉, 刘强, 赵冠飞, 邱廷省, 余文, 刘松, 杨雯慧, authorCompany=null, correspAuthors=赵冠飞, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=Jg6+qJX3YbNFfegza3+fFQ==, magXml=BjZJanXe+IGcQQEj/kJj+g==, pdfUrl=null, pdf=eJaIirBsJi05kTGoBjtuwQ==, pdfFileSize=621497, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=pXJdIMp5GFgaY6LMEOm0ng==, mapNumber=null, fund=null)}, authors=[Author(id=1314907731971108994, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907730222084213, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=932364616@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314907732105326725, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907730222084213, authorId=1314907731971108994, language=EN, stringName=Zhongyu CHEN, firstName=Zhongyu, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, 2}, address=^1.School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China
^2.Fankou Lead Zinc Mine, Shenzhen Zhongjin Lingnan Nonfemet Co., Ltd., Shaoguan 512300, Guangdong, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314907732226961542, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907730222084213, authorId=1314907731971108994, language=CN, stringName=陈忠玉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, 2}, address=^1．江西理工大学资源与环境工程学院，江西 赣州 341000
^2．深圳市中金岭南有色金属股份有限公司凡口铅锌矿，广东 韶关 512300, bio={"content":"

陈忠玉（1988—），男，江西吉安人，高级工程师，主要从事矿物加工技术研究工作。E-mail: 932364616@qq.com

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陈忠玉（1988—），男，江西吉安人，高级工程师，主要从事矿物加工技术研究工作。E-mail: 932364616@qq.com

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