Study of Flotation Kinetic of Kermanshah State Gilsonite

Document Type : Research Article

Authors

Department of Mining Engineering, University of Uremia, Uremia, I.R. IRAN

Abstract

In order to determination of flotation kinetic and particle size effect on it, flotation tests were conducted on a Gilsonite sample of Kermanshah state. Therefore, rougher and cleaner flotation tests through the oil collector - MIBC (Methyl Iso Butyl Carbonyl) frother, Gasoline collector – Pine oil frother and one test without any collector and frother, was done. Concentrates obtained from the tests weighted and ash analysis was taken from them, also all of the concentrates were grading, in different intervals. Then, for each test, drawn recovery – time graph and were fitted by using different first-order kinetics model. According to the graph observed that the results of all tests have high compliance with first order classic model. Kinetics constant calculated with the classic model are as follows, the rougher tests, oil collector – MIBC frother 0.0303, Gasoline collector – pine oil frother 0.0301 and test without any collector and frother is 0.0161. Also,
the amount of k respectively the above collector and frother 0.0168, 0.048, 0.013 was calculated in cleaner tests, then the retention time and flotation cell volume according to k calculated. In this research, studied the relationship between flotation rate constant, maximum recovery and particle size too. The results show that maximum flotation recovery and flotation rate in rougher tests belongs to flotation test without any collector and frother with a particle size in rang -850,+500 µm. as well as, in the cleaner test, maximum flotation recovery and flotation rate related to the test with Gasoline collector and pine oil frother with -850,+500 µm particle size.

Keywords

Main Subjects

References

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