Investigation of the effect of cyanidation after microwave roasting treatment on refractory gold/silver ores by characterization studies

• Autorzy: Yoğurtcuoğlu Emine

Identyfikatory

DOI

10.37190/ppmp/157487

• Języki publikacji: EN

Abstrakty

EN

In this article, the efficiency of microwave pretreatment, which is an environmentally friendly, low-energy consuming method for recovery from refractory gold-silver ores, was investigated. The ore sample belonged to the oxidized Bolkardağ deposit, which contains carbonate (calcite, dolomite, smithsonite, hydrozincite), silicate (quartz, hemimorphite), sulfate (beudantite, plumbo-jarosite), and iron oxy/oxyhydroxide (hematite, limonite) minerals. Sulfur/sulfate-bearing silver and gold minerals are found either together with gangue minerals or in inclusions. Approximately 90% gold and 48% silver recovery efficiencies were achieved with the cyanide process after microwave preroasting from the ore. Additionally, the ore, heat treatment product, and waste samples were investigated by characterization studies. In these studies, bond structures, mineral content, sample mass losses, element percentage content differences, and mineral percentage content differences in the samples were determined. As a result, the microwave pretreatment application in cyanidation was presented as a new research topic in terms of its application in the valuable refractory content of this type of oxide.

Słowa kluczowe

EN

pretreatment; microwave; cyanidation; characterization; refractory gold-silver

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2023
• Tom: Vol. 59, iss. 1
• Strony: art. no. 157487
• Opis fizyczny: Bibliogr. 79 poz., rys., tab., wykr.

Twórcy

autor

Yoğurtcuoğlu Emine

• Faculty of Engineering, Department of Mining Engineering, Niğde Ömer Halisdemir University, Niğde, Turkey

• https://orcid.org/0000-0002-9961-8809

Bibliografia

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Uwagi

This study was supported by Niğde Ömer Halisdemir University Scientific Research Projects Directorate under the Project MMT 2019/04 BAGEP. The author would like to thank Gümüştaş Mining and Prof. İbrahim ALP for sample supply, and the directors of Niğde Ömer Halisdemir University Central Research Laboratory for providing laboratory facilities for the experiments.