STUDY OF BENEFICIATION WASTE PROCESSING IRON ORE
DOI:
https://doi.org/10.15421/jchemtech.v33i2.328767Keywords:
Keywords: iron ore, waste, iron, alumina, silica, beneficiation, gravity, magnetic, flotation, processingAbstract
This paper reviews studies on the processing of iron ore concentration wastes from several samples of Ukrainian ore processing plants. The morphological and chemical composition of the Kryvyi Rih, Ingulets, and Poltava samples was determined. A basic technological scheme for processing these samples is presented. It was found that the Kryvyi Rih waste sample contains 38 % total iron, 20 % silica, and 14 % alumina, while the Inhulets sample contains almost 50 % total iron, 10 % silica, and 8 % alumina, while the Poltava sample contains only 28 % iron, 55 % silica, and 2 % alumina. The effect of gravity beneficiation is most effectively reflected in the Poltava sample, as a result of an increase in Fe content from 28 % to 52 %. It was found that the subsequent magnetic beneficiation of the Poltava sample increases the Fe content from 52 % to 63 %, with a mass yield of 65 %. It was found that the final stage – flotation beneficiation of the Poltava sample increases the Fe content from 63 % to almost 66 %, which makes it possible to use it further.
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