Comparison of selective flotation of chalcopyrite and molybdenite with various oxidation techniques

Tsuyoshi Hirajima, Hidekazu Matsuoka, Hajime Miki, Gde Pandhe Wisnu Suyantara, Ahmed Mohamed Elmahdy, Keiko Sasaki

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

Selective flotation of chalcopyrite and molybdenite was studied using various surface treatment methods such as electrolysis, ozone treatment, and plasma. Oxidation via electrolysis method indicated that only chalcopyrite surface is affected by electrolysis due to conductivity difference with molybdenite. Oxidation treatments and XPS analyses indicated that chalcopyrite became hydrophilic due to deposition of oxidized iron on its surface. Various oxidizing methods also showed that chalcopyrite was selectively oxidized and this can apply selective flotation of chalcopyrite and molybdenite. The possible mechanisms are proposed in this work based on surface analyses and thermodynamic calculations.

本文言語英語
ホスト出版物のタイトルIMPC 2016 - 28th International Mineral Processing Congress
出版社Canadian Institute of Mining, Metallurgy and Petroleum
ISBN(電子版)9781926872292
出版ステータス出版済み - 2016
イベント28th International Mineral Processing Congress, IMPC 2016 - Quebec City, カナダ
継続期間: 9 11 20169 15 2016

出版物シリーズ

名前IMPC 2016 - 28th International Mineral Processing Congress
2016-September

その他

その他28th International Mineral Processing Congress, IMPC 2016
Countryカナダ
CityQuebec City
Period9/11/169/15/16

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology
  • Geotechnical Engineering and Engineering Geology
  • Mechanical Engineering
  • Earth-Surface Processes

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