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Current processing technology for antimony-bearing ores: a review, part 2
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
1989 (English)In: Mining engineering, ISSN 0026-5187, Vol. 2, no 4, p. 543-556Article in journal (Refereed) Published
Abstract [en]

The state of technology for separation of antimony minerals is reviewed and experience from processing plants is summarized. The high density of antimony minerals and their tendency to grind to slime (hardness of 2.5 on Mohs' scale) make gravity separation in the mill circuit an interesting possibility for the first step in the process. Marketing considerations make separation of arsenopyrite an important part of the process in some cases. The design of flotation circuits for beneficiation of stibnite is usually very straightforward: rougher, scavenger and two-stage cleaner flotation are usually enough to produce concentrates grading better than 60% Sb. The choice of methods for depressing antimony minerals in complex sulphide ores depends on what kind of mineral is the predominant impurity. It ought to be possible to depress ferrous antimony minerals effectively in pyrite-selective environments

Place, publisher, year, edition, pages
1989. Vol. 2, no 4, p. 543-556
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-6170DOI: 10.1016/0892-6875(89)90088-5ISI: A1989CJ39600009Scopus ID: 2-s2.0-0024902321Local ID: 46046f10-a17a-11dc-ac39-000ea68e967bOAI: oai:DiVA.org:ltu-6170DiVA, id: diva2:979047
Note
Godkänd; 1989; 20071203 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Lager, ThomasForssberg, Eric

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