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Kola MMC JSC: on the way to new technologies
ArticleName Smelting of compact sulphide materials in a smelting furnace with air-tight roof and automatic charging system
DOI 10.17580/tsm.2019.11.05
ArticleAuthor Tyukin D. P., Lebedev D. A., Igumnov A. N., Tsemekhman L. Sh.

Kola Mining and Metallurgical Company JSC, Monchegorsk, Russia:

D. P. Tyukin, Chief Specialist of Technical Department, Technical Administration, e-mail:
D. A. Lebedev, Inspector Foreman of Technical Control Department, Control and Analytical Center
A. N. Igumnov, Production Leader of the Department
L. Sh. Tsemekhman, Editorial Board Member at Tsvetnye Metally, Doctor of Technical Sciences, Professor


This paper gives a historical overview of and describes the smelting facilities of Kola MMC (formerly, Pechenganikel Works). The paper outlines the main reasons why roasted pellets were replaced with briquettes of copper-nickel concentrate. They include a drastic reduction of SO2 emissions at Zapolyarny site and a possibility to utilize more sulphur by converting it into commercial sulphuric acid. The paper gives an overview of the tests conducted together with Institut Gipronikel LLC when briquetted concentrate was smelted in smelting furnaces. The issues encountered during the tests are also outlined. The prerequisites for revamping Smelter 5 are described, which include building a smelter that can be functional in adverse weather conditions and eliminating the risk of underperformance with Smelter 4 undergoing an overhaul. The paper provides a comparison of key parameters between Smelter 3, Smelter 4 and Smelter 5. It also describes the new features of Smelter 5 which help maximise the process automation and make it more efficient, safer and environmentally friendlier. The introduction of an upgraded air-tight smelter helped achieve a significant reduction of “low-level” SO2 emissions. Due to this, the smelter can operate even in adverse weather conditions without affecting the air in the residential area. Due to the automatic charging system and the electric smelting and gas flow control system the operations personnel was downsized by 2 operators a shift.

keywords Electric smelting, sulphide materials, air-tight smelting furnace, ecology, reduced emissions, automation, safety

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