Each type of a manganese deposit is a problem by itself in the matter of selection of a proper method of concentration, depending on the manganese minerals and their gangue constituents. Hence, this work studied the effect of sodium oleate concentration variation on the froth flotation of manganese ore obtained from Madaka, Niger State, Nigeria. The chemical analysis of the ore shows that it contains 48.4% MnO (37.5% Mn). Peaks were identified in XRD analysis of the crude sample as that of magnosite (MnO), hausmannite (Mn3O4), spessartine and vemuculite (Mg, Fe2+, Fe3+)3[(AlSiO4)O10](OH)2·4H2O. The ore was beneficiated by froth flotation using sodium oleate as collector at varied concentrations of 3 g/kg, 7 g/kg and 10 g/kg. Other chemical reagents used were sodium silicate, fuel oil and calcium hydroxide as dispersant, frother and pH modifier respectively. Results obtained showed percentage metal recoveries of 9.29%, 14.30% and 19.61%, assaying 65.20%, 62.03% and 61.30% Mn respectively. This indicates that at sodium oleate concentration of 3 g/kg, high grade-concentrate can be obtained.
References
[1]
Binta, H., Yaro, S.A., Thomas, D.G. and Dodo, M.R. (2016) Beneficiation of Low Grade Manganese Ore from Wasagu, Kebbi State, Nigeria. Journal of Raw Materials Research, 13, 63-73.
[2]
Akbar, M.R. and Mohammad, R.H. (2013) Characterization and Beneficiation of Iranian Low-Grade Manganese Ore. Physicochemical Problems of Mineral Process in Journal, 50, 982-993.
[3]
Andrade, E.M., Costa, B.L.C.M., Alcantara, G.A.G. and Lima, R.M.F. (2012) Flotation of Manganese Minerals and Quartz by Sodium Oleate and Water Glass. Latin American Applied Research, 42, 39-43.
[4]
Zhou, F., Chen, T., Yan, C., Liang, H., Chen, T., Li, D. and Wang, Q. (2014) The Flotation of Low-Grade Manganese Ore Using a Novel Linoleate Hydroxamic Acid. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 466, 1-9.
[5]
Fuerstenau, M.C. and Han, K.N. (2003) Principles of Mineral Processing. Society for Mining, Metallurgy, and Exploration, Englewood, CO, 185-188.
[6]
Alabi, O.O., Borode, J.O., Oloruntoba, D.T. and Abere, V. (2017) Influence of Local Paddok Processing Operation on Farin Lamba Cassiterite to Conventional Wilfley Gravity Processing Method. Nigerian Metallurgical Society, 33, 3-10.
[7]
Thomas, K., Gundewar, C.S., Meshram, R.N., Bhake, S.S. and Beck, D.W. (2014) Manganese Ore: Vision 2020 and Beyond. Government of India Ministry of Mines, Indian Bureau of Mines, 17-18.
[8]
Laskowski, J., Vurdela, R.M. and Liu, Q. (1998) The Colloid Chemistry of Weak Electrolyte Collector Flotation. Proceeding of 16th International Mineral Processing Congress, 4, 4-6.
[9]
Mariana, A.A., Muzenda, E. and Abubakre, O.K. (2014) Extraction and Production Kinetics of Industrial-Grade Manganese Sulphate Crystals from Manganese. Journal of Engineering Research, 19, 87-97.
[10]
Rui, S., Aurora, F., Carlos, S.P. and Mário, M.L. (2016) Froth Flotation of Aljustrel Sulphide Complex Ore. Physicochemical Problems of Mineral Processing, 53, 758-769.
[11]
Ogundeji, F.O., Alabi, O.O. and Ajakaiye, A. (2018) Determination of Chemical, Mineralogical Composition and Liberation Size of Madaka Manganese Ore, Niger State, Nigeria. Journal of Advanced Research in Manufacturing, Material Science & Metallurgical Engineering, 5, 1-5.
