Scholarlink

In recent years, an increase in the arsenicArsenic gradeGrade within the copper concentrateCopper concentrate has been observed. ArsenicArsenic is a common penalty elementElements in the copperCopper miningMining industry due to the environmental risks associated with its emissionEmissions in copper smeltingCopper Smelting. ArsenicArsenic is commonly found in association with copper sulfide mineralsCopper sulfide minerals, particularly in arsenicArsenic-bearing copperCopper minerals such as enargiteEnargite (Cu3AsS4) and tennantiteTennantite ((Cu, Fe, Zn)12(Sb, As)4S13). In this study, we investigated the potential ofDi-n-octyl sulfide Di-n-octyl sulfideSulfide (C16H34S, DOS), a component of thioether (R1-S-R2) compound, as a selective collectorCollector for the flotationFlotation of arsenicArsenic-bearing copperCopper minerals from copper sulfide mineralsCopper sulfide minerals. FlotationFlotation tests were conducted to evaluate the effect of various conditions, including collectorCollector and depressant dosage on the selective separation of arsenicArsenic-bearing copperCopper minerals from arsenicArsenic contained copper concentrateCopper concentrate. The batch flotationFlotation test results indicated that the optimal condition for maximum separation efficiencyEfficiency between arsenicArsenic-bearing copperCopper minerals and non-arsenicArsenic copperCopper minerals was 50.3%. Moreover, the best test result in the rougher and cleaner flotationFlotation showed that 90% of arsenicArsenic-bearing copperCopper minerals were removed from copper concentrateCopper concentrate and arsenicArsenic gradeGrade was reduced from the initial 1.30 to 0.20%.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Investigation of Flotation Conditions to Separate Arsenic-Bearing Copper Minerals from Copper Concentrate Using Di-n-octyl Sulfide Collector

  • 会议论文

  • 发表日期：

    2025年

查看全文
  • Tatsuhiro Ono,
  • S. Magwaneng Refilwe,
  • Shuta Kunihiro,
  • Taisuke Sakakibara,
  • Taro Kamiya,
  • Kazuya Sunada

摘要

In recent years, an increase in the arsenicArsenic gradeGrade within the copper concentrateCopper concentrate has been observed. ArsenicArsenic is a common penalty elementElements in the copperCopper miningMining industry due to the environmental risks associated with its emissionEmissions in copper smeltingCopper Smelting. ArsenicArsenic is commonly found in association with copper sulfide mineralsCopper sulfide minerals, particularly in arsenicArsenic-bearing copperCopper minerals such as enargiteEnargite (Cu3AsS4) and tennantiteTennantite ((Cu, Fe, Zn)12(Sb, As)4S13). In this study, we investigated the potential ofDi-n-octyl sulfide Di-n-octyl sulfideSulfide (C16H34S, DOS), a component of thioether (R1-S-R2) compound, as a selective collectorCollector for the flotationFlotation of arsenicArsenic-bearing copperCopper minerals from copper sulfide mineralsCopper sulfide minerals. FlotationFlotation tests were conducted to evaluate the effect of various conditions, including collectorCollector and depressant dosage on the selective separation of arsenicArsenic-bearing copperCopper minerals from arsenicArsenic contained copper concentrateCopper concentrate. The batch flotationFlotation test results indicated that the optimal condition for maximum separation efficiencyEfficiency between arsenicArsenic-bearing copperCopper minerals and non-arsenicArsenic copperCopper minerals was 50.3%. Moreover, the best test result in the rougher and cleaner flotationFlotation showed that 90% of arsenicArsenic-bearing copperCopper minerals were removed from copper concentrateCopper concentrate and arsenicArsenic gradeGrade was reduced from the initial 1.30 to 0.20%.