Examination of albanian chromite ores in terms of liberation size and ratio problem

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Abstract

In beneficiation of chromite ores using gravity methods, the basic approach is to obtain concentrates with coarse sizes as long as possible. While some type of ores respond to this approach, some type of the ores needs very fine grinding. On the other hand, ratio values have importance in determining the quality of the marketable product. In this study, beneficiation properties and ratio values of two different chromite ores taken from Albania were investigated. On the KJM coded sample, jig tests (-25+1 mm) and shaking table tests (-1 mm) were performed. The ratio of the concentrate was determined as nearly 2.5. Besides, the liberation of the other sample - coded as KM - was provided below 0.6 mm. The concentrates of this sample had ratios varying from 2.18 to 2.41, since finely disseminated magnetite particles existed in chromite particles. In addition, magnetic separation tests were conducted in order to reduce the iron content. According to the optimized test results, appropriate process flow-sheets were established for both of the chromite samples.

Original languageEnglish
Title of host publicationProceedings of the 24th International Mining Congress of Turkey, IMCET 2015
EditorsMehmet Karadeniz, Mehtap Gulsun Kilic, Elif Torun Bilgic, Hakan Basarir, Oznur Onel
PublisherTMMOB Maden Muhendisleri Odasi
Pages1160-1168
Number of pages9
ISBN (Electronic)9786050107050
Publication statusPublished - 2015
Event24th International Mining Congress of Turkey, IMCET 2015 - Antalya, Turkey
Duration: 14 Apr 201517 Apr 2015

Publication series

NameProceedings of the 24th International Mining Congress of Turkey, IMCET 2015

Conference

Conference24th International Mining Congress of Turkey, IMCET 2015
Country/TerritoryTurkey
CityAntalya
Period14/04/1517/04/15

Keywords

  • Chromite
  • Flow chart
  • Liberation size
  • Ratio problem

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