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Effect of Flotation Reagents on the Activity of L. Ferrooxidans
University of Tehran, Tehran, Iran.
University of Tehran, Tehran, Iran.
University of Tehran, Tehran, Iran.
University of Tehran, Tehran, Iran.
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2018 (English)In: Mineral Processing and Extractive Metallurgy Review, ISSN 0882-7508, E-ISSN 1547-7401, Vol. 39, no 1, p. 34-43Article in journal (Refereed) Published
Abstract [en]

Froth flotation is the most preferred processing technique for the enrichment of low-grade sulfides. Bioleaching is an eco-friendly method for metallurgical extraction from flotation products. Flotation reagents (collectors, frothers, etc.) have various impacts on bioleaching and bacterial activities. In this investigation, the effect of a number of sulfide flotation collectors [potassium amyl-xanthate, potassium isobutyl-xanthate, sodium ethyl-xanthate, potassium isopropyl-xanthate, and Dithiophosphate (Aero3477)], and frothers (pine oil and methyl isobutyl carbinol) with different dosages is studied on Leptospirillum ferrooxidans activities. The results of various measurements indicated that these flotation chemicals can have positive or negative influences on the bacterial activities, based on their chemical compositions and/or concentrations. These results can extensively be used for the selection of flotation reagents when bioleaching is chosen as the metallurgical extraction method after flotation enrichment.

Place, publisher, year, edition, pages
Taylor & Francis, 2018. Vol. 39, no 1, p. 34-43
Keywords [en]
Bioleaching, collector, leptospirillum ferrooxidans, flotation, frother
National Category
Metallurgy and Metallic Materials Inorganic Chemistry
Identifiers
URN: urn:nbn:se:ltu:diva-72239DOI: 10.1080/08827508.2017.1323748ISI: 000426936800003Scopus ID: 2-s2.0-85019630885OAI: oai:DiVA.org:ltu-72239DiVA, id: diva2:1281017
Available from: 2019-01-21 Created: 2019-01-21 Last updated: 2023-09-05Bibliographically approved

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Chelgani, Saeed Chehreh

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