desulfurization of iron concentrate

Jan 01, 2015 The obtained iron concentrate reaches 64.28% Fe and 0.42% S, respectively, with the iron recovery of 53.62% and desulfurization rate of up to 90%. In other words, the desulfurization performance was much better in comparison with the separation process of direct one-stage fine grinding, where the raw ores were directly ground to the fineness of 90% -0.074mm.

Iron Ore122 Кб. Iron Ore Processing Iron ore crushing and screening machine Mining and processing of iron ore involves coarse crushing and screening.You will also obtain sulphide concentrate as by-product through flotation desulfurization.

The iron ore concentrate flotation desulfurization process: harmful impurities in the iron ore concentrate sulfur generally exist in the form of the pyrite and … More detailed flotation desulfurization iron ore fl –

The MgO and CaO content reduces after leaching in iron concentrates, which reduces the alkalinity of concentrates. As a result, the self-fusion of concentrate products is destroyed, which increases the cost of smelting.At the same time, a large amount of acid needs to be added during the leaching process, which causes great environmental pollution.

The granulating method of the iron ore concentrate sintering mixture improves the grain-size composition and the granulation property of the sintering mixture, and increases the ventilation property and the sintering speed of a sinter bed, thereby increasing the sinter output; the granulation of the iron ore concentrate is strengthened, the intensity of the granulating pellets is increased, and the increase of the sinter strength is facilitated; partial high basicity of the iron …

Mar 10, 2021 More sulfur contained in iron ore, more cost in the following blast furnace desulfurization will spend. 2 Phosphorus (P): it is also the common harmful element for steel material. It will bring the steel with cold brittleness. Phosphorus in iron ore will be …

The objective of the test campaign described below was to reduce the sulfur content in an iron ore concentrate from 1.3 % to less than 0.4 %. The concentrate would thus fulfill the process and environmental requirements with regard to the downstream pelletizing plant. The stipulated recovery rate of iron was 95 % or higher.

Abstract The effect of a rhamnolipid biosurfactant produced by a Pseudomonas aeruginosaMA01 strain on desulfurization of iron concen- trates was studied. Surface tension measurement and frothing characterization indicated better surface activity and frothability of rhamnolipid compared to methyl isobutyl carbinol (MIBC) as an operating frother.

The current study was focused on the removal of sulfur from iron ore concentrate using chemical leaching technique. Magnetite iron ore concentrate was chosen for this purpose. The results obtained from the study showed that more than 90% of the total sulfur content was removed from the iron ore concentrate by the chemical leaching.

Oct 01, 1992 A blast-furnace concentrate of 69.3% Fe or 1.7% silica should be achievable using only the rougher stage. Pulling the roughers harder to produce a direct-reduction concentrate would probably result in significant iron losses, thus, a closed circuit cleaner was incorporated into the design.