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Studies on selective flotation of smithsonite from silicate minerals using mercaptans and one stage desliming
Islamic Azad University, Tehran South Campus.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
2011 (English)In: Mineral Processing and Extractive Metallurgy: Transactions of the Institutions of Mining and Metallurgy: Section C, ISSN 0371-9553, E-ISSN 1743-2855, Vol. 120, no 2, p. 79-84Article in journal (Refereed) Published
Abstract [en]

The separation of oxide zinc mineral from silicate minerals in smithsonite mineral, associated silicate minerals and oxide zinc ore samples was assessed using methyl mercaptan (CH3SH), ethyl mercaptan (C2H 5SH) and hexyl mercaptan (C6H13SH; HM) as collectors. The optimal flotation conditions were defined through Hallimond tube, contact angle and batch flotation and the results were applied to a natural Angooran oxide zinc ore. The microflotation and artificial mixture flotation results showed a maximum of 78% flotation recovery using HM. Selective flotation of oxide zinc ore was also accomplished by using an HM collector at pH 9. The flotation recovery was 55% without desliming. When the initial feed was deslimed before bench scale flotation tests, the recovery increased from 55 to 75%with 22·5%zinc content in the concentrate.Whenmethylmercaptan or ethyl mercaptan was used, lower zinc recoveries and grades compared to HM flotation were achieved

Place, publisher, year, edition, pages
2011. Vol. 120, no 2, p. 79-84
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-12656DOI: 10.1179/1743285510Y.0000000001Scopus ID: 2-s2.0-80052979859Local ID: bd16ded3-e878-4f74-a8d4-f13bf9bb62afOAI: oai:DiVA.org:ltu-12656DiVA, id: diva2:985607
Note
Validerad; 2011; 20110425 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2022-05-10Bibliographically approved

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Forssberg, Eric

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