Article(id=1322559971330470043, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559901990240737, 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=1736438400000, receivedDateStr=2025-01-10, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793252469141, onlineDateStr=2026-10-29, pubDate=1774368000000, pubDateStr=2026-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793252469141, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793252469141, creator=13701087609, updateTime=1793252469141, updator=13701087609, issue=Issue{id=1322559901990240737, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='3', pageStart='1', pageEnd='330', issueExtLink='null', onlineDate='null', pubDate='1774368000000', pubDateStr='2026-03-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793252452609, creator='13701087609', updateTime=1793252731500, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322561071810991099, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559901990240737, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322561071810991100, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559901990240737, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=265, endPage=272, ext={EN=ArticleExt(id=1322559972941082782, articleId=1322559971330470043, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Experimental Study on Beneficiation of High-Sulfur Copper Ore Containing Pyrrhotite Under Low-Alkalinity Conditions, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

A copper-sulfur ore processing plant in Guangdong employed a "high-alkali copper extraction-weak-acid sulfur extraction" process and reagent system. To address the problems of high on-site alkali consumption, low flotation efficiency, and elevated safety and environmental risks, experimental studies were conducted on ore properties and mineral processing techniques. This led to the identification of a "low-alkali, acid-free" process scheme and based on the ore characteristics, the development of a tailored, low-alkali reagent system for the green and efficient separation of copper-sulfur. Results indicate that a scheme employing B18 to collect copper minerals and CD-S2 to partially replace lime for sulfur suppression, with copper sulfate replacing sulfuric acid for activation, and butyl xanthate for sulfur floation, is effective. The closed-circuit test achieved a copper concentrate with Cu grade of 20.84% and Cu recovery of 88.11%, along with a comprehensive sulfur concentrate with S grade of 46.12% and S recovery of 94.68%. Compared to the "high-alkali-weak-acid" process, the "low-alkali-acid-free" process can increase the copper grade and recovery in copper concentrate by 2.59 percentage points and 1.94 percentage points respectively, while maintaining comparable overall sulfur concentrate indicators. The pH of the roughing pulp in closed-circuit tests decreases from 11 to 8.5, achieving clean and efficient separation and recovery of copper and sulfur in a low-alkali-acid-free environment.

, authors=Chunfu HUANG¹, Zhongxu QI^{2, 3}, Xu JIANG^{2, 3}, Shengqiang DING¹, Chunlin CHEN¹, Jie LI^{2, 3}, authorsList=Chunfu HUANG, Zhongxu QI, Xu JIANG, Shengqiang DING, Chunlin CHEN, Jie LI, authorCompany=null, correspAuthors=Xu JIANG, 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=1322559973180158111, articleId=1322559971330470043, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=含磁黄铁矿高硫型铜矿低碱度选矿试验研究, 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=

广东某铜硫矿生产采用“高碱选铜－弱酸选硫”的工艺和药剂体系，针对现场酸碱消耗量大、浮选效率低、安全环保风险高等问题，进行了矿石性质和选矿工艺试验研究，确定了“低碱－无酸”的工艺方案，研发了基于矿石性质的低碱铜硫绿色高效分选药剂体系。结果表明，采用B18捕收铜矿物、CD-S2替代部分石灰抑硫，硫酸铜替代硫酸活化、丁基黄药捕收浮硫的方案可有效替代现场“高碱－弱酸”药剂体系，全流程闭路试验获得Cu品位20.84%、Cu回收率88.11%的铜精矿和S品位46.12%、S回收率94.68%的综合硫精矿。与“高碱－弱酸”工艺相比，“低碱－无酸”工艺铜精矿中铜品位和铜回收率分别提高了2.59个百分点和1.94个百分点，综合硫精矿指标相当，闭路试验粗选矿浆pH由11降低至8.5，实现了“低碱－无酸”环境中铜硫的清洁高效分选与回收。

, authors=黄春福¹, 祁忠旭^{2, 3}, 江旭^{2, 3}, 丁声强¹, 陈春林¹, 李杰^{2, 3}, authorsList=黄春福, 祁忠旭, 江旭, 丁声强, 陈春林, 李杰, authorCompany=null, correspAuthors=江旭, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=NwW4a9a5MjelYs7sLGoknQ==, magXml=EyUeS1WEzEfsq/0koJjgrA==, pdfUrl=null, pdf=8VumPuN/EWh//KTk9N2Pew==, pdfFileSize=1838321, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=PJyRetfai2K8u3LZS6yNqA==, mapNumber=null, fund=null)}, authors=[Author(id=1322559973658308778, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559971330470043, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=23986310@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322559973742194860, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559971330470043, authorId=1322559973658308778, language=EN, stringName=Chunfu HUANG, firstName=Chunfu, middleName=null, lastName=HUANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Guangdong Dabaoshan Mining Co., Ltd., Shaoguan, Guangdong 512000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322559973813498029, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559971330470043, authorId=1322559973658308778, language=CN, stringName=黄春福, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．广东省大宝山矿业有限公司，广东 韶关市　512000, bio={"content":"

黄春福（1980—），女，广西都安人，高级工程师，主要从事有色金属矿选矿生产技术研究。E-mail: 23986310@qq.com

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黄春福（1980—），女，广西都安人，高级工程师，主要从事有色金属矿选矿生产技术研究。E-mail: 23986310@qq.com

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