Refining approaches in the platinum group metal processing value chain - A review

Pia Sinisalo, Mari Lundström*

*Corresponding author for this work

Research output: Contribution to journalReview ArticleScientificpeer-review

3 Citations (Scopus)
551 Downloads (Pure)

Abstract

Mineable platinum group metal (PGM) deposits are rare and found in relatively few areas of the world. At the same time, the use of PGM is predicted to expand in green technology and energy applications, and PGMs are consequently currently listed as European Union critical metals. Increased mineralogical complexity, lower grade ores, and recent PGM production expansions give rise to the evaluation of the value chain of the capital-intensive conventional matte smelting treatment and other processing possibilities of the ore. This article will review the processes and value chain developed to treat ores for PGM recovery, highlighting hydrometallurgical refining approaches. It groups processes according to their rationale and discusses the special features of each group.

Original languageEnglish
Article number203
JournalMetals
Volume8
Issue number4
DOIs
Publication statusPublished - 1 Apr 2018
MoE publication typeA2 Review article in a scientific journal

Keywords

  • Leaching
  • Platinum group metals
  • Refining
  • Value chain

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