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Open AccessArticle

Assessment of Sortability Using a Dual-Energy X-ray Transmission System for Studied Sulphide Ore

The Norman B. Keevil Institute of Mining Engineering, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
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Academic Editors: Andreas Delimitis and Daniel Saramak
Minerals 2021, 11(5), 490; https://doi.org/10.3390/min11050490
Received: 8 March 2021 / Revised: 30 April 2021 / Accepted: 1 May 2021 / Published: 4 May 2021
In hard rock mining, sensor-based sorting can be applied as a pre-concentration method before the material enters the mill. X-ray transmission sensors have been explored in mining since 1972. Sorting ore of acceptable grade and waste material before processing at the mill can reduce the amount of tailings per unit of valuable metal in the mining operation and have many economic benefits. Ore samples used in this paper are from a polymetallic carbonate replacement deposit (gold-silver-lead-zinc sulphide) in Southeast Europe. This paper focuses on how the Dual-Energy X-ray Transmission (DE-XRT) data is generated and used for ore characterization and sortability for this sulphide ore. The method used in the DE-XRT analysis in this project is based on the dual-material decomposition method, which is used in the medical industry for radiology. This technique can distinguish sulphides from non-sulphides. However, the correlation developed between the DE-XRT response and the metal content is lacking. As a result, the DE-XRT response can only classify the material effectively but cannot reliably predict the metal content.
Keywords: Dual-Energy X-ray Transmission (DE-XRT); sulphide; polymetallic Dual-Energy X-ray Transmission (DE-XRT); sulphide; polymetallic
MDPI and ACS Style

Zhang, Y.; Yoon, N.; Holuszko, M.E. Assessment of Sortability Using a Dual-Energy X-ray Transmission System for Studied Sulphide Ore. Minerals 2021, 11, 490. https://doi.org/10.3390/min11050490

AMA Style

Zhang Y, Yoon N, Holuszko ME. Assessment of Sortability Using a Dual-Energy X-ray Transmission System for Studied Sulphide Ore. Minerals. 2021; 11(5):490. https://doi.org/10.3390/min11050490

Chicago/Turabian Style

Zhang, YiRan; Yoon, Nawoong; Holuszko, Maria E. 2021. "Assessment of Sortability Using a Dual-Energy X-ray Transmission System for Studied Sulphide Ore" Minerals 11, no. 5: 490. https://doi.org/10.3390/min11050490

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