Volume 21, Issue 2 (1-2003)
2003, 21(2): 159-166 |
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M. Oliazadeh, M. Noaparast and R. Dehghan Simakani. Processing of Low Grade Fine Manganese Ore Using Flotation Method. Journal of Advanced Materials in Engineering (Esteghlal) 2003; 21 (2) :159-166
URL: http://jame.iut.ac.ir/article-1-265-en.html
URL: http://jame.iut.ac.ir/article-1-265-en.html
Abstract: (9000 Views)
Application of gravity and magnetic separation methods to upgrade low grade Manganese ores from Venaj Mine has been reported elsewhere. This paper discusses the results of flotation tests, as well as combination of flotation and magnetic method to concentrate fine particles (less than 150 microns) of manganese ore. Results obtained from various direct and reverse flotation tests, using different types of reagents, indicated that manganese fines cannot easily be concentrated by flotation.
In this investigation, combination of direct flotation and magnetic separation for fine particles (finer than 150 microns) with 8.36% Mn, 34.11% SiO2, 23.05% Fe2O3 yielded a manganese concentrate with 26.78% Mn, 11.64% SiO2, 20.37% Fe2O3 and 56% recovery. Desliming 10-15 micron particles prior to flotation tests improved product quality and the recovery.
Keywords: Mineral Processing, Flotation, Manganese, Vanarj Mine
