Recovery of platinum group metals from aqueous solution …

1. Introduction. Platinum group metals (PGM S) are widely used in industrial, research, and high-tech fields because of their unique physical and chemical properties (Chen et al., 2021b, Lanaridi et al., 2021).For example, platinum and palladium exhibit remarkable catalytic activities, making them key constituents of catalytic converters used …

Recovery of Platinum Group Metals from Spent Automotive …

The recovery of platinum group metals (PGMs) from waste materials involves dissolving the waste in an aqueous solution. However, since PGMs are precious …

Platinum-group minerals and tellurides from the PGE …

The Xinjie layered intrusion is one of a number of major ultramafic-mafic bodies hosting Fe-Ti-V deposits and Cu-Ni-PGE sulfide deposits in the Pan-Xi (Panzhihua-Xichang) area of the Sichuan Province, SW China. The Xinjie ultramafic-mafic layered intrusion, genetically related to the Permian plume-related Emeishan flood basalts, …

Degradation of Carbon-Supported Platinum-Group-Metal …

The degradation mechanism is, to some extent, similar for other carbon-supported Pt-group-metal (PGM) electrocatalysts. ... Understanding Recoverable vs Unrecoverable Voltage Losses and Long-Term Degradation Mechanisms in Anion Exchange Membrane Fuel Cells. ... Operando Stability of Platinum Electrocatalysts in …

Platinum Group Metals on the Move: Transportation

The platinum group metals (PGMs) — platinum, palladium, rhodium, iridium, ruthenium and osmium — are a family of structurally and chemically similar elements that are most valued for their wide range of industrial, medical, and electronic applications. ... Most recycled catalytic converters in the U.S. contain recoverable …

Recovery of platinum-group metals from spent catalysts by microwave

According to the above results, the ideal PGMs collection performance could be achieved by smelting at 1250 °C for 2 h in N 2 with the mass ratios of nickel matte, Na 2 B 4 O 7 and Na 2 CO 3 to spent catalyst of 1.25, 0.575 and 0.125, respectively. The corresponding optimal sample volume was ~55 mL.

Determining the PGM bearing mineral phase in the UG2 ore

To this end, a sample of an ore from the Platinum Group Minerals (PGMs) was obtained from the primary cyclone underflow, which is the feed to the secondary mills. Using dry milling, Chimwani et al. [5] carried out the first series of batch tests on this UG2 ore sample with the aim of determining the breakage parameters that could be used to ...

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Platinum-Group Metals: Demand, Supply, Applications and …

PLATInum group metals Recovery Using Secondary raw materials (PLATIRUS), a European Union (EU) Horizon 2020 project, aims to address the platinum group metal (pgm) supply security within Europe by ...

Solvometallurgical Recovery of Platinum Group …

Sustainable recovery of platinum group metals from spent automotive catalysts done by solvoleaching in FeCl3/CH3CN, followed by …

Recovery of platinum group metals from spent automotive …

Abstract. In the last decades, a worldwide investment in the recovery or substitution of platinum group metals (PGMs) has been financed. PGMs have been classified as critical raw materials (CRMs), thus a circular economy model should be implemented for their effective recovery. PGM recovery from primary ores is expensive, …

What Are Platinum Group Metals (PGMs)?

Platinum Group Metals (PGMs) These noble metals are close to each other on the periodic table. The platinum group metals (PGMs) are six transitional metal elements that are chemically, physically, and anatomically similar. The PGMs are the densest known metal elements. Exceptionally rare, the six metals naturally occur in the …

The role of dithiophosphate as a co-collector in the flotation …

In the present study the effect of adding sodium di-ethyldithiophosphate (DTP) to sodium isobutyl xanthate (SIBX) as a co-collector in the flotation of a platinum group mineral (PGM) ore was studied with a view to investigating whether there was any evidence of a synergistic beneficial effect resulting from the use of the mixture. Flotation tests were …

Behavior of Platinum Group Metals during Their …

The behavior of platinum group metals (PGMs) during their recovery with smelting of spent automotive ceramic catalysts powder in the presence of metallic copper at elevated temperatures is studied ...

A.R. Laplante's research works | McGill University, Montréal …

A protocol for predicting recovery of platinum group minerals (GRPGM) is adapted from the protocol for gravity recoverable gold. This paper introduces the methodology to characterize the content ...

Recovery and Enrichment of Platinum Group Metals from …

First Online: 11 February 2023. 724 Accesses. Part of the book series: The Minerals, Metals & Materials Series ( (MMMS)) Abstract. The world platinum group metals (PGMs) …

Recovery of Platinum Group Metals from Leach …

Abstract: Platinum group metals (PGMs) play a key role in modern society as they find application in clean technologies and other high-tech equipment. Spent …

Securing Platinum-Group Metals for Transport Low-Carbon …

Fuel cell technology depends critically on the catalysis from platinum-group metals, the rarest metals on Earth. Hao et al. investigate the impacts of future fuel cell vehicle deployment on the sustainability of platinum-group metal resources. The results indicate that under a wide range of scenarios, the primary resource demand is …

Precise stepwise recovery of platinum group metals from …

Accurate separation and efficient recovery of platinum group metals (PGMs, mainly Ru, Rh and Pd) from high level liquid waste (HLLW) is a good choice for clean production and sustainable development of nuclear energy. Herein a novel SDB polymer modified silica-based amine-functionalized composite (dNbpy/SiO2

A system dynamics model for platinum group metal supply, …

Platinum group metals resources are either reported as 3E (Platinum, palladium and gold), the term 4E which implies platinum, palladium, rhodium and gold, and the term 6E imply platinum, palladium, rhodium, ruthenium, iridium and gold. ... We find an ultimately recoverable resource (URR) of about 216,000 ton platinum group metals …

What Are Platinum Group Metals or PGMs?

The platinum group metals or PGMs are a cluster of six transition metals on the periodic table. They are noble and precious metals with chemical and physical properties similar to that of platinum and occurring in the same ore deposits. The platinum group metals are rare, durable, useful, and highly valuable.

Recover PGM by Matte Smelting and Leaching

The United States is dependent on foreign supplies for almost all of its platinum and palladium. If the Stillwater Complex were developed, all U.S. requirements for palladium and about 25 pct of its requirements for platinum could be supplied. The Stillwater Complex contains 225 million ounces of PGM of which 80 pct is estimated to …

OVERVIEW OF PGM PROCESSING

Platinum Group Metals (PGMs) are recovered through underground and open pit mining from poly-metallic sulphide ores containing PGMs, Nickel, Copper and other metals: Platinum (Pt), Palladium (Pd), Rhodium (Rh) and Ruthenium (Ru) are the most prevalent of the six PGMs, with Iridium (Ir), and Osmium (Os) found in much smaller quantities.

Recovery of platinum-group metals from spent catalysts by microwave

The feasibility of a facile route to recover platinum-group metals ... 478 t of PGMs can be recovered from SAC annually according to the consumption of PGMs in automotive catalysts or the recoverable PGMs amount in the new sales/registrations of vehicles, respectively. Based on the above analysis, the reasons for the insufficient …

Recovery of platinum group metals from spent catalysts: A …

The efficient recovery and purification of PGMs from spent catalyst are economically desirable. There are three basic factors that influence the recyclability of …

Platinum group metals (PGM); occurrence, use and recent …

Platinum-group metals are widely used in many industrial sectors; their popularity is attributed to their chemical inertness to various chemical reagents and their excellent catalytic properties ...

Solvometallurgical Recovery of Platinum Group Metals …

In this paper, a solvometallurgical approach was developed for the sustainable recovery of PGMs from spent automotive exhaust catalysts. The PGMs were leached using FeCl3 or …

Experimental analysis of recoverable performance loss …

The recoverable losses, caused for example by a contaminant adsorption, catalyst flooding, ionomer dehydration, and platinum oxidation, can be reversed, usually following an interruption in the ...

Characterizing and recovering the platinum group minerals––a review

Methods of characterizing and recovering the platinum group minerals are reviewed in this paper. First, a classification of platinum group minerals (PGMs) ore types is briefly introduced, followed by the introduction of some representative platinum group minerals. Second, the sample preparation techniques for mineralogy studies are …

Pyrometallurgical Recovery of Platinum Group Metals …

Fig. 2. Flow chart of recovery of PGMs from spent catalysts via copper collection. approximately 20–25 wt.% PGMs is obtained on the anode, whereas high-purity copper (99.99%) is captured on the cathode and can be reused for smelting. The overall recovery of PGMs by copper collection may approach 99%.64,65.

Quantifying the content of gravity recoverable platinum group …

DOI: 10.1016/J.MINENG.2008.08.009 Corpus ID: 96158245; Quantifying the content of gravity recoverable platinum group minerals in ore samples @article{Xiao2009QuantifyingTC, title={Quantifying the content of gravity recoverable platinum group minerals in ore samples}, author={Zhang Xiao and A. R. Laplante and …

THE FIRST REPORT OF PLATINUM-GROUP MINERALS IN

Platinum-group minerals are irregularly distributed through these layers. Altered PGE arsenides and antimonides, possibly derived from sperrylite (PtAs 2) and "mertieite" [Pd 8 (Sb,As) 3 to Pd 11 (Sb,As) 4], occur in the lowest known PGE-enriched layer (Horizon M). Cooperite (PtS) and Pt-Fe alloys were observed in a higher layer (Horizon D).

Recovery of platinum group metals from spent automotive …

It is estimated that spent automotive catalytic converters deliver more than 57% of PGMs' European supply, being considered a crucial resource for PGM recovery. …

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Precious metals recovery from aqueous solutions using a …

Therefore, it is really important to recovery platinum group metals from aqueous solutions. Of the many PGMs recovery procedures, adsorption is a process …