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To address the low flotation separation efficiency of chalcopyrite and pyrite, a novel thiol collector (930 agent) was adopted in flotation tests. Its selective adsorption mechanism was revealed by Fourier transform infrared spectroscopy analysis, and its effectiveness was verified through mineral flotation tests. The test results show that the novel environment-friendly and high-efficiency collector 930 agent, obtained by functional group structure reconstruction based on thiol collectors, increases the copper recovery of concentrate by 12.27% and 4.77%, the sulfur recovery of concentrate by 13.84% and 1.99%, and raises the sulfur grade of sulfur concentrate by 3.37% and 3.00% respectively, compared with the traditional collectors ethyl xanthate and butyl xanthate. The use of the new 930 collector optimizes the selectivity of copper-sulfur separation, provides a novel agent scheme with high selectivity and environmental friendliness for sulfide ore flotation separation, and is of great significance for reducing smelting costs and alkaline wastewater discharge.

, authors=Yujiao HUANG^{1, 2}, Hengguang GU^{1, 2}, Hanquan ZHANG^{1, 2}, authorsList=Yujiao HUANG, Hengguang GU, Hanquan ZHANG, authorCompany=null, correspAuthors=Hanquan ZHANG, 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=1322559975390565069, articleId=1322559974950163147, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=巯基类捕收剂在黄铜矿与黄铁矿浮选分离中的作用机理, 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=

针对黄铜矿与黄铁矿浮选分离效率低的问题，提出在浮选中使用新型巯基类捕收剂930药剂，通过傅里叶变换红外光谱分析揭示其选择性吸附机制，并结合矿物浮选试验验证其效能。试验结果表明，使用在巯基类捕收剂的基础上进行官能团结构重组得到的新型环保型高效捕收剂930药剂，对比传统捕收剂乙基黄药、丁基黄药，可使铜精矿回收率分别提高12.27%、4.77%，硫精矿回收率分别提高13.84%、1.99%，同时可使硫精矿的硫品位分别提高了3.37%、3.00%。新型930捕收剂的使用，优化了铜硫分离选择性，为硫化矿浮选分离提供了兼具高选择性与环境友好特性的新型药剂方案，对降低冶炼成本及减少碱性废水排放具有重要意义。

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黄玉娇（2000—），女，贵州毕节人，硕士研究生，主要从事复杂金属矿选冶技术研究。E-mail: 2474871085@qq.com

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黄玉娇（2000—），女，贵州毕节人，硕士研究生，主要从事复杂金属矿选冶技术研究。E-mail: 2474871085@qq.com

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