572 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
INTRODUCTION
The green transition, aimed at reducing carbon emissions
and environmental impact, has led to significant changes
in beneficiation strategies, particularly towards dry benefi-
ciation due to its potential to reduce water consumption
and minimize environmental impact by avoiding a tailing
storage pond. Dry beneficiation processes typically require
less water compared to traditional wet methods, making
them more sustainable and aligned with green initiatives.
Furthermore, dry beneficiation can lead to lower energy
consumption and reduced emissions, contributing to the
overall environmental objectives of the green transition
(Tripathy et al., 2017).
Chromite ore, an essential raw material to produce fer-
rochrome and chrome metal, is often found in low-grade
deposits and is conventionally beneficiated using the wet
process, which mainly involves wet gravity concentration
methods. Dry beneficiation techniques, particularly mag-
netic separation, have gained significant attention due to
their potential to upgrade low-grade chromite ores while
minimizing water usage and environmental impact.
This study aims to investigate the effectiveness of dry
beneficiation through magnetic separation in upgrad-
ing low-grade chromite ore, with a focus on assessing the
feasibility of dry beneficiation methods vis-à-vis wet ben-
eficiation. By exploring the potential benefits of magnetic
separation, this research contributes to the ongoing efforts
to develop sustainable and efficient processes for chromite
ore beneficiation.
Literature Review
The process of upgrading low-grade Chromite ore to
achieve Ferrochrome grade is a prevalent procedure in the
Chrome industry. Depending on the geographical loca-
tion, Chromite ore beneficiation aims to eliminate siliceous
gangues such as quartz/serpentine minerals or ferruginous
gangues like hematite/goethite, as well as minor impuri-
ties like magnesium and alumina-bearing mineral phases.
The level of enrichment of chrome ores mainly relies on
the types of minerals present, their chemical composition,
and the texture of the ore. It is commonly believed that all
the Cr2O3 is found in the chromite mineral. However, in
numerous ores, the Cr2O3 content, along with the silicate
gangue, can be quite high, as has been observed in the cur-
rent study.
Conventionally, the beneficiation of Chromite ore is
carried out through gravity concentration owing to the den-
sity difference between the gangue-bearing Silicate minerals
and the chromite minerals, and the most used beneficiation
Figure 1. Literature review of the articles published on the chromite ore beneficiation through magnetic separation.
Visualisation generated though the VOS viewer (using references 1–43)
INTRODUCTION
The green transition, aimed at reducing carbon emissions
and environmental impact, has led to significant changes
in beneficiation strategies, particularly towards dry benefi-
ciation due to its potential to reduce water consumption
and minimize environmental impact by avoiding a tailing
storage pond. Dry beneficiation processes typically require
less water compared to traditional wet methods, making
them more sustainable and aligned with green initiatives.
Furthermore, dry beneficiation can lead to lower energy
consumption and reduced emissions, contributing to the
overall environmental objectives of the green transition
(Tripathy et al., 2017).
Chromite ore, an essential raw material to produce fer-
rochrome and chrome metal, is often found in low-grade
deposits and is conventionally beneficiated using the wet
process, which mainly involves wet gravity concentration
methods. Dry beneficiation techniques, particularly mag-
netic separation, have gained significant attention due to
their potential to upgrade low-grade chromite ores while
minimizing water usage and environmental impact.
This study aims to investigate the effectiveness of dry
beneficiation through magnetic separation in upgrad-
ing low-grade chromite ore, with a focus on assessing the
feasibility of dry beneficiation methods vis-à-vis wet ben-
eficiation. By exploring the potential benefits of magnetic
separation, this research contributes to the ongoing efforts
to develop sustainable and efficient processes for chromite
ore beneficiation.
Literature Review
The process of upgrading low-grade Chromite ore to
achieve Ferrochrome grade is a prevalent procedure in the
Chrome industry. Depending on the geographical loca-
tion, Chromite ore beneficiation aims to eliminate siliceous
gangues such as quartz/serpentine minerals or ferruginous
gangues like hematite/goethite, as well as minor impuri-
ties like magnesium and alumina-bearing mineral phases.
The level of enrichment of chrome ores mainly relies on
the types of minerals present, their chemical composition,
and the texture of the ore. It is commonly believed that all
the Cr2O3 is found in the chromite mineral. However, in
numerous ores, the Cr2O3 content, along with the silicate
gangue, can be quite high, as has been observed in the cur-
rent study.
Conventionally, the beneficiation of Chromite ore is
carried out through gravity concentration owing to the den-
sity difference between the gangue-bearing Silicate minerals
and the chromite minerals, and the most used beneficiation
Figure 1. Literature review of the articles published on the chromite ore beneficiation through magnetic separation.
Visualisation generated though the VOS viewer (using references 1–43)