Alternative techniques to separate tennantite from chalcopyrite: Single minerals and arseno copper ore flotation study

T. B.M. Himawan, Petrus, Tsuyoshi Hirajima, Keiko Sasaki, Hideyuki Okamoto

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

1 被引用数 (Scopus)

抄録

In this study, effect of thiosulphate and oxidation using oxygen were studied in arseno copper ore flotation. Single mineral study of chalcopyrite and tennantite in regard to the aforementioned techniques was also studied. Zeta potential, XPS, contact angle and floatability of single minerals were conducted for each treatment to understand the mechanism. It was revealed that the separation is best conducted in alkaline condition at where there will be interaction between thiosulphate and the mineral surface as well as the formation of hydroxide species in the oxidation using oxygen. From zeta potential of both thiosulphate and oxidation conditioning, it can be found that the reactivity of tennantite is much higher rather than chalcopyrite resulting higher rate of depression on both techniques as shown from contact angle and floatability of each mineral after treatment. XPS spectra confirmed qualitatively and quantitatively the existence of species responsible for the depression of each conditioning techniques. As for the copper ore flotation test, it is the oxidation using oxygen provides best performance after 60 minutes of oxidation.

本文言語英語
ホスト出版物のタイトル26th International Mineral Processing Congress, IMPC 2012
ホスト出版物のサブタイトルInnovative Processing for Sustainable Growth - Conference Proceedings
ページ2038-2051
ページ数14
出版ステータス出版済み - 12 1 2012
イベント26th International Mineral Processing Congress, IMPC 2012: Innovative Processing for Sustainable Growth - New Delhi, インド
継続期間: 9 24 20129 28 2012

出版物シリーズ

名前26th International Mineral Processing Congress, IMPC 2012: Innovative Processing for Sustainable Growth - Conference Proceedings

その他

その他26th International Mineral Processing Congress, IMPC 2012: Innovative Processing for Sustainable Growth
Countryインド
CityNew Delhi
Period9/24/129/28/12

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology
  • Geotechnical Engineering and Engineering Geology

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