Producing low-ash crystalline graphite from high-carbon rocks of the Far East south

A. I. Khanchuk; G. F. Krysenko; D. G. Epov; A. V. Voit; V. P. Molchanov; M. A. Medkov

doi:10.1134/S0040579517050128

Producing low-ash crystalline graphite from high-carbon rocks of the Far East south

Authors: Khanchuk A.I.¹, Krysenko G.F.², Epov D.G.², Voit A.V.², Molchanov V.P.¹, Medkov M.A.²
Affiliations:
1. Far East Geological Institute, Far Eastern Branch
2. Institute of Chemistry, Far Eastern Branch
Issue: Vol 51, No 5 (2017)
Pages: 795-797
Section: Technology of Inorganic Substances and Materials
URL: https://bakhtiniada.ru/0040-5795/article/view/171743
DOI: https://doi.org/10.1134/S0040579517050128
ID: 171743

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Abstract

The possibilities of producing low-ash crystalline graphite from high-carbon rocks of the southern Far East have been investigated. Promising setups for purifying the natural graphite from impurities using the processes of hydrothermal treatment of flotation concentrates have been developed.

Keywords

graphite rock, ammonium hydrodifluoride, flotation, fluorination, ammonium fluorometallates