Coupling comminution indices and mineralogical features as an approach to a geometallurgical characterization of a copper ore

Rincon Gamero, Jonathan Jose; Gaydardzhiev, Stoyan; Stamenov, Lachezar

doi:10.1016/j.mineng.2018.10.007

Article (Scientific journals)

Coupling comminution indices and mineralogical features as an approach to a geometallurgical characterization of a copper ore

Rincon Gamero, Jonathan Jose; Gaydardzhiev, Stoyan; Stamenov, Lachezar

2019 • In Minerals Engineering, 130, p. 57-66

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/228464

DOI
10.1016/j.mineng.2018.10.007

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Keywords :

Geometallurgy; Process Mineralogy; Comminution; Principal Component Analysis

Abstract :

[en] A production block of the underground mine exploiting the Chelopech high sulphidation epithermal copper-gold deposit was subjected to geometallurgical modelling. This study details the used procedure based on traditional comminution and mineralogical indices. Drop weight and batch grinding tests were performed on representative samples to yield parameters related to Axb and operating work OWi indices. These were further correlated with the ore mineralogical features using principal component analysis. Modal mineralogy data processed by a set of linear equations has enabled the estimation of the aforementioned indices with a deviation of ±2.4 for Axb and ±9.08 kWh/t for OWi respectively. Based on ore textural characteristics and non-sulphide gangue (NSG) minerals content, two geometallurgical domains were identified as a first approach to modelling of the studied block

Disciplines :

Geological, petroleum & mining engineering

Author, co-author :

Rincon Gamero, Jonathan Jose ; Université de Liège - ULiège > Département ArGEnCo > Traitement et recyclage des matières minérales

Gaydardzhiev, Stoyan ; Université de Liège - ULiège > Département ArGEnCo > Traitement et recyclage des matières minérales

Stamenov, Lachezar

Language :

English

Title :

Coupling comminution indices and mineralogical features as an approach to a geometallurgical characterization of a copper ore

Publication date :

January 2019

Journal title :

Minerals Engineering

ISSN :

0892-6875

Publisher :

Elsevier, Netherlands

Volume :

130

Pages :

57-66

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 09 October 2018

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