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Isolation and removal of cyanide from tailing dams in gold processing plant using natural bitumen
Department of Mining Engineering, Faculty of Engineering, Urmia University.
Faculty of Engineering, University of Kashan.
Department of Civil Engineering, Faculty of Engineering, Shahid Beheshti University.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering.ORCID iD: 0000-0002-5228-3888
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2020 (English)In: Journal of Environmental Management, ISSN 0301-4797, E-ISSN 1095-8630, Vol. 262, article id 110286Article in journal (Refereed) Published
Abstract [en]

Gilsonite as a natural occurrence of bitumen and due to the presence of carbon in its structure is a suitable adsorbent for a wide variety of pollutants. In this research, the adsorption of cyanide from the wastewater of gold processing plants using gilsonite were investigated. In this way, the effect of particle size of gilsonite, the weight and mixing time with solution, on the amount of cyanide adsorption have been studied. In addition, in one experiment, the effect of processed gilsonite on its adsorption ability was investigated. Based on the obtained results, the maximum adsorption of 61.64% was obtained in the size range of −1+0.5 and −2+1 mm of gilsonite. With increasing adsorbent weight and mixing time, the cyanide adsorption rate were increased. On the other hand, with the processing of the gilsonite sample, the amounts of adsorption were increased considerably. This study indicated that gilsonite can be used as an isolation and absorbent in the structure and floor of the tailing dumps of mineral processing plants.

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 262, article id 110286
Keywords [en]
Gold processing wastewater, Cyanide removal, Gilsonite, Adsorption, Kinetic
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-77859DOI: 10.1016/j.jenvman.2020.110286ISI: 000527016200018PubMedID: 32090887Scopus ID: 2-s2.0-85079618691OAI: oai:DiVA.org:ltu-77859DiVA, id: diva2:1396154
Note

Validerad;2020;Nivå 2;2020-02-25 (alebob)

Available from: 2020-02-25 Created: 2020-02-25 Last updated: 2020-05-14Bibliographically approved

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Ghorbani, Yousef

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