An innovative flotation technology for the lime-depressed pyrite recovery from copper sulphide ore via acid mine drainage (AMD) activation

• Autorzy: Yuan Jiaqiao , Ding Zhan , Bi Yunxiao , Li Jie , Wen Shuming , Bai Shaojun

Identyfikatory

DOI

10.37190/ppmp/152609

• Języki publikacji: EN

Abstrakty

EN

In this study, an innovative flotation technology consisted of Cu differential flotation with high alkali lime and pyrite recovery with acid mine drainage (AMD) activation was investigated for the cleaner beneficiation of the copper sulfide ore. Flotation test results showed that H₂SO₄ -CuSO₄ and AMD could effectively activate the pyrite flotation with SBX collector. Moreover, the recovery of S concentrate is increased by 5.33% in the AMD system. Adsorption amount results of SBX collector indicated that the hydrophilic species (Ca²⁺, CaOH⁺ and FeOOH) were formed on the pyrite surfaces in the high alkali lime craft (pH=11.3) and degraded the interaction between SBX and pyrite surfaces. AMD can effectively clear off the hydrophilic calcium species and the copper ions originated from the AMD absorb onto the pyrite surfaces, facilitating the SBX collector adsorption. Composition analysis results of tailings water confirmed that the tailing water obtained by the AMD flotation system was more desirable to be recycled in the Cu differential flotation due to its higher pH value (8.7). The present study provides a novel approach for the treatment of AMD, and has the vital practical significance for the emission reduction of AMD and the increase of beneficiation profits.

Słowa kluczowe

EN

copper sulfide ore; acid mine drainage (AMD); lime-depressed-pyrite; activator; hydrophilic species

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2022
• Tom: Vol. 58, iss. 6
• Strony: art. no. 152609
• Opis fizyczny: Bibliogr. 38 poz., rys.

Twórcy

autor

Yuan Jiaqiao

• Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China

autor

Ding Zhan

• Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China

autor

Bi Yunxiao

• Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China

autor

Li Jie

• Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China

autor

Wen Shuming

• Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China
• State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, China
• Yunnan Key Laboratory of Green Separation and Enrichment of Strategic Mineral Resources, Kunming 650093, China

autor

Bai Shaojun

• Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China
• State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, China
• Yunnan Key Laboratory of Green Separation and Enrichment of Strategic Mineral Resources, Kunming 650093, China

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).