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Mineral Processing and Extractive Metallurgy Review
An International Journal
Volume 37, 2016 - Issue 4
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Articles

A Study on the Utilization of Magnetite for the Recovery of Platinum Group Metals from Chloride Solution

Peet HomchuenDivision of Sustainable Resources Engineering, Graduate School of Engineering, Hokkaido University, Sapporo, Japan
,
Richard Diaz AlorroDepartment of Mining Engineering and Metallurgical Engineering, Western Australian School of Mines, Faculty of Science and Engineering, Curtin University, Kalgoorlie, WA, AustraliaCorrespondence[email protected]
,
Naoki HiroyoshiDivision of Sustainable Resources Engineering, Graduate School of Engineering, Hokkaido University, Sapporo, Japan
,
Ryo SatoDivision of Sustainable Resources Engineering, Graduate School of Engineering, Hokkaido University, Sapporo, Japan
,
Hajime KijitaniDivision of Sustainable Resources Engineering, Graduate School of Engineering, Hokkaido University, Sapporo, Japan
&
Mayumi ItoDivision of Sustainable Resources Engineering, Graduate School of Engineering, Hokkaido University, Sapporo, Japan
Pages 246-254 | Published online: 17 Jun 2016
 
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ABSTRACT

The recovery of platinum group metals (PGMs) from chloride solution using magnetite was investigated. The adsorption of platinum, palladium, and rhodium in chloride medium onto synthetic magnetite powders were studied at different pH conditions, contact time, sodium chloride concentrations, and initial Pt, Rh, and Pd concentrations. Platinum and palladium uptake by magnetite was at a maximum at pH 6–7, and pH 3–4 for rhodium after 24 h with 0.1 mol/dm3 sodium chloride at an initial PGM concentration of 0.05 mol/m3. A sorption mechanism for PGMs was discussed based on the results.

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