Copper Matte – Slag Reaction Sequences and Separation Processes in Matte Smelting

  • Pratama Istiadi Guntoro Technical Universoty of Lulea
  • Ari Jokilaakso Aalto University, School of Chemical Engineering
  • Niko Hellsten Aalto University, School of Chemical Engineering
  • Pekka Taskinen Aalto University, School of Chemical Engineering

Abstract


While particle combustion and chalcopyrite oxidation in suspension smelting is well understood, few studies are available regarding the melt-melt reactions and the separation between copper matte and slag in matte smelting. In the present work, experimental investigations in air and argon atmosphere were conducted using mixture of synthetic slag and chalcopyrite concentrate. The sequential reaction and separation processes occurring in matte smelting are outlined. Possible limiting factors in the overall process are also proposed. The result of the present work forms an important foundation for future work in kinetic rate formulation of molten phase reactions between copper matte and slag in matte smelting.

Author Biographies

Pratama Istiadi Guntoro, Technical Universoty of Lulea
Doctoral student
Ari Jokilaakso, Aalto University, School of Chemical Engineering

Professor - Metallurgy

Vice head – Department of Chemical and Metallurgical Engineering

Niko Hellsten, Aalto University, School of Chemical Engineering
Doctoral student
Pekka Taskinen, Aalto University, School of Chemical Engineering
Professor Emeritus

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Published
2018/12/27
How to Cite
Guntoro, P. I., Jokilaakso, A., Hellsten, N., & Taskinen, P. (2018). Copper Matte – Slag Reaction Sequences and Separation Processes in Matte Smelting. Journal of Mining and Metallurgy, Section B: Metallurgy, 54(3), 301. Retrieved from https://aseestant.ceon.rs/index.php/jmm/article/view/16566
Issue
Vol. 54 No. 3 (2018)
Section
Original Scientific Paper

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