Grade improvement of iron ore concentrate by applying plant audits, standardization and process optimization
Amiri, Seyed; Sinche-Gonzalez, Maria (2025-05-13)
University of Belgrade
13.05.2025
Amiri, S. H. & Sinche Gonzalez, M. (2025). Grade improvement of iron ore concentrate by applying plant audits, standardization and process optimization [Paper]. Proceedings of XVI International Mineral Processing and Recycling Conference, Belgrade (pp. 340-346). https://doi.org/10.5937/IMPRC25340H
https://creativecommons.org/licenses/by/4.0/
Published under Creative Commons Attribution 4.0 International license.
https://creativecommons.org/licenses/by/4.0/
Published under Creative Commons Attribution 4.0 International license.
https://creativecommons.org/licenses/by/4.0/
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202603112117
https://urn.fi/URN:NBN:fi:oulu-202603112117
Tiivistelmä
Abstract
One of the challenges at iron ore processing plants is achieving a concentrate by the desirable iron grade. It is crucial to implement optimizations for increasing the concentrate quality. In this research, the operation of a case study plant was investigated to find bottlenecks and improve the iron ore concentrate quality. For this purpose, the grinding and magnetic separation stages including ball mills, hydrocyclones and low intensity magnetic separators were investigated. The plant optimizations resulted in the Fe grade improvement of concentrate from 63.50% to 66.1% and reduction of concentrate particle size (P80) from 98 µm to 75 µm.
One of the challenges at iron ore processing plants is achieving a concentrate by the desirable iron grade. It is crucial to implement optimizations for increasing the concentrate quality. In this research, the operation of a case study plant was investigated to find bottlenecks and improve the iron ore concentrate quality. For this purpose, the grinding and magnetic separation stages including ball mills, hydrocyclones and low intensity magnetic separators were investigated. The plant optimizations resulted in the Fe grade improvement of concentrate from 63.50% to 66.1% and reduction of concentrate particle size (P80) from 98 µm to 75 µm.
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