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SAINT-PETERSBURG SCIENCE SCHOOL OF PYRO- AND HYDROMETALLURGY
PYROMETALLURGY
ArticleName Evaporation and thermodynamic properties of the Сu – Fe – Ni – S system: high-temperature differential mass spectrometry data
DOI 10.17580/tsm.2020.09.01
ArticleAuthor Lopatin S. I., Tsemekhman L. Sh., Tsymbulov L. B.
ArticleAuthorData

Institute of Silicate Chemistry, Russain Academy of Sciences, Moscow, Russia:

S. I. Lopatin, Professor, Lead Researcher, Doctor of Сhemical Sciences

 

L. Sh. Tsemekhman, Professor, Editorial Board Member at Tsvetnye Metally, Doctor of Technical Sciences, e-mail: lev.tsem1@gmail.com

 

Gipronikel Institute LLC, Saint Petersburg, Russia:
L. B. Tsymbulov, Professor, Director of the Research & Development Department, Doctor of Technical Sciences

Abstract

The Fe – Ni – S, Cu – Ni – S and Cu – Fe – S systems form the basis of matte melts, which are the product of processing copper-nickel and copper sulphide concentrates, as well as oxidized nickel ores. Processing of the latter involves sulphidizing. Information about the phase diagrams of the Fe – Ni – S, Cu – Fe – S and Cu – Ni – S systems and their thermodynamic properties is necessary to describe pyrometallurgical processes involving Cu, Ni and Fe in order to understand how the metals distribute between the matte and the slag. If one knows the properties of sulphur dissolved in the considered melts, one can analyze its behaviour during sulphide concentrate melting and matte conversion. This paper aims to look at the thermodynamic properties of sulphide systems containing iron, nickel and copper.

keywords Сopper and copper-nickel concentrates, mattes, phase diagrams, conversion
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