The wet high intensity magnetic separation of magnesite ore waste

Main Article Content

Ahmet Atasoy

Abstract

The wet high intensity magnetic separation of magnesite ore waste stocked in an open pit of a magnesite mine was investigated in this paper. The received sample was subjected to physical, chemical, thermal and phase characterizations. The magnesite ore waste sample contained 77.69 % MgCO3 and a considerable amount of Fe2O3 (3.14 %). The unwanted silica and iron impurities were removed and a high-grade magnesite was experimentally obtained. Results have shown that a high-grade magnesite was obtained after subjecting the non-magnetic portion of the processed sample twice at 1.8 T. It was possible to increase the magnesite content up to 91.03 % while reducing the iron content to 0.32 % by using magnetic separation. After the calcination process at 1000 oC, the sample showed mass loss on ignition of 52 % and contained 85.39 % MgO with 0.32 % Fe2O3. The final product can be used in chemical and metallurgical applications where high magnesia contents are required. The experimental results provide useful information on wet magnetic separation of magnesite wastes.

Article Details

Section

Environmental Engineering - Solid Waste Treatment

Author Biography

Ahmet Atasoy, University of Applied Science of Sakarya

Metallurgy & Materials Engineering

How to Cite

[1]
A. Atasoy, “The wet high intensity magnetic separation of magnesite ore waste”, Hem Ind, vol. 73, no. 5, pp. 337–346, Nov. 2019, doi: 10.2298/HEMIND181010026A.

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