Copper Extraction from Complex Waste Dumps by Biochemical Leaching Method

• Autorzy: Koizhanova Aigul , Magomedov David , Abdyldayev Nurgali , Kamalov Emil , Yerdenova Maria , Bakrayeva Akbota

Identyfikatory

DOI

10.12911/22998993/152342

• Języki publikacji: EN

Abstrakty

EN

The article presents the research results for the effectiveness of copper extraction from ores of the Satpayev deposit with complex, mixed composition bacterial leaching. The experiments with pre-acidification of copper samples were performed using biological oxidation by A. Ferrooxidans bacterial culture, adapted strain. Biochemical opening moes of mineral raw materials using A. Ferrooxidans bacteria of a particular strain adapted to the copper waste composition and capable of oxidizing sulfide and iron-bearing minerals were worked out. The optimal growth conditions for microorganisms in copper mineral pulp medium were established (temperature, pH, S: L.) The highest leaching efficiency, up to 88.65%, was observed in the experiments with preliminary bio-oxidation of samples by A. Ferrooxidans bacterial culture.

Słowa kluczowe

EN

copper dump; bio-oxidation; Acidobacillus Ferrooxidans bacteria; leaching

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2022
• Tom: Vol. 23, nr 10
• Strony: 283--290
• Opis fizyczny: Bibliogr. 13 poz., rys., tab.

Twórcy

autor

Koizhanova Aigul

• Institute of Metallurgy and Ore Beneficiation, JSC, Satbyaev University, 29/133, Shevchenko str., Almaty, Kazakhstan, 050010

• https://orcid.org/0000-0001-9358-3193

autor

Magomedov David

• Institute of Metallurgy and Ore Beneficiation, JSC, Satbyaev University, 29/133, Shevchenko str., Almaty, Kazakhstan, 050010

• https://orcid.org/0000-0001-7216-2349

autor

Abdyldayev Nurgali

• Institute of Metallurgy and Ore Beneficiation, JSC, Satbyaev University, 29/133, Shevchenko str., Almaty, Kazakhstan, 050010

• https://orcid.org/0000-0001-8145-5741

autor

Kamalov Emil

• Institute of Metallurgy and Ore Beneficiation, JSC, Satbyaev University, 29/133, Shevchenko str., Almaty, Kazakhstan, 050010

• https://orcid.org/0000-0002-6073-348X

autor

Yerdenova Maria

• Institute of Metallurgy and Ore Beneficiation, JSC, Satbyaev University, 29/133, Shevchenko str., Almaty, Kazakhstan, 050010

• https://orcid.org/0000-0002-7496-5097

autor

Bakrayeva Akbota

• Institute of Metallurgy and Ore Beneficiation, JSC, Satbyaev University, 29/133, Shevchenko str., Almaty, Kazakhstan, 050010

• https://orcid.org/0000-0002-2062-9573

Bibliografia

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