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PROCESSING OF SLUDGE TAILS OF ENRICHMENT OF CHROME ORE

Nuriya Serzhanova, S. Temirova, Yerzhan Kuldeyev, I.V. Bondarenko

First published: 2020-12-20https://doi.org/10.5593/sgem2020v/4.2/s05.08View metrics

Abstract

The physical and chemical characteristics of sludge from the chrome production in the Donskoy Ore Mining and Processing Plant (DOMPP) owned by TNK Kazchrome JSC have been studied. Researches have been performed to determine the gravity concentration ability of sludge tailings using fractional analysis, concentration tables. It was found that it is required to classify the initial sludge into size classes to obtain high technological parameters, and beneficiation with screw separators is ineffective. New data have been obtained for the chromite sludge beneficiation process using modern technological equipment that enables to separate into narrow material size fractions with their subsequent gravity concentration with the help of concentration tables. A concentrate with a content of 50.82% Cr2O3 and a middling product with a content of 30.85% Cr2O3 was obtained as a result of beneficiation of sludge tailings with a content of 28.89% Cr2O3 using concentration tables. The novelty of the work is in the improvement of the beneficiation flow chart for sludge tailings of DOMPP that includes the operation intended to classify sludge tailings into narrow size classes at the process beginning and their separate beneficiation with the help of concentration tables. A schematic diagram of DOMPP sludge tailings beneficiation with the production of a finely dispersed concentrate that is the starting material for the chrome pellet production used for ferrochrome smelting is recommended. The proposed flow chart for sludge tailings beneficiation will enable to involve the enterprise?s current and stale tailings in processing that will increase the technical, economic, and environmental parameters of production.

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Publication details

Title
PROCESSING OF SLUDGE TAILS OF ENRICHMENT OF CHROME ORE
Authors
Nuriya Serzhanova, S. Temirova, Yerzhan Kuldeyev, I.V. Bondarenko
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020,
Publisher
STEF92 Technology
Year
2020
Pages
65-72
SWS Citekey
Serzhanova202056572
ISSN
1314-2704
ISBN
978-619-7603-18-7
Language
en
Publication type
Conference Paper
Keywords
chrome production sludgemineralogical analysisparticle size analysisgravity concentrationchromium concentrate
References3

  1. Y. Rama Murthy, Sunil Kumar Tripathy, C. Raghu Kumar. Chrome ore beneficiation challenges & opportunities – A review //Minerals Engineering. Volume 24. Issue 5. April 2011. Pp.375-380. DOI: 10.1016/j.mineng.2010.12.001.

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  2. Kuldeyev E.I., Bondarenko I.V., Temirova S.S. Promising ways to increase raw material base of the chrome industry of the metallurgical industry of the Kazakhstan //Kompleksnoe Ispol'zovanie Mineral'nogo Syr'ya. 2020. №2 (313). Pp. 64-70. http://kims-imio.kz/wp-content/uploads/2019/04/2020_19-1.pdf

  3. Bondarenko I.V., Y.E. Tastanov. Obtaining Multi-Component Pellets from Finely Dispersed Chromium Concentrates Refined Ferrochrome Slags and Diatomite Raw Materials of Kazakhstan //Metallurgist. March 2019. Pp.1213-1218. DOI: 10.1007/s11015-019-00776-0.

    View DOICrossrefGoogle ScholarWeb of ScienceScopusOpenCitations
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