platinum group method
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, …
Platinum‐group metals
The six elements of the platinum group – ruthenium, rhodium, palladium, osmium, iridium and platinum – are referred as platinum-group metals (PGM). Enrichment of PGM occurs in deposits of several types developed in a limited range of geological settings, commonly associated with nickel and copper. Underground extraction uses a …
About
Platinum Group is a global technology consultancy dedicated to delivering high-impact project and people-based services to major financial institutions across the United Kingdom, Europe and the United States. Our elite team of industry leaders and client specialists have decades of experience in delivering complex initiatives, meaning we are perfectly placed …
Extraction of Platinum Group Metals | IntechOpen
About 80% of the worlds' reserves for platinum group metals (PGMs) are in South Africa's Bushveld Igneous Complex. Processing of PGM involves comminution, flotation, smelting, converting, base metals refinery and precious metals refinery. Due to increasing chrome content in the feed and the challenges associated with operating high …
Extraction of platinum group metals from catalytic converters
Abstract. Platinum group metals (PGMs) assume an important role within the chemistry and chemical engineering due to their exceptional chemical stability in high temperatures and various environmental conditions. Their unique attributes make them highly demanded materials across an array of industries. Nevertheless, the gradual …
Mapping Ni-Cu-Platinum Group Element-Hosting, Small …
Mafic-ultramafic intrusive complexes possess a considerable capacity for hosting Ni-Cu-platinum group element (PGE) sulfide deposits. However, the mapping of small outcrops over large areas by field surveys is time-consuming. ... spectral index provided reasonable delineation of mafic-ultramafic rocks. The SSTF method facilitated …
An improved Fe-Ni sulfide fire assay method for …
An improved Fe-Ni sulfide fire assay method has been developed for determination of Re, the platinum group elements (PGE), and Os isotopic ratios using inductively coupled plasma-mass spectrometry (ICP-MS) and negative thermal ionization-mass spectrometry (NTI-MS). Recovery of Re using the neoclassi …
Enrichment of Platinum Group Metals from Spent …
Platinum group metals (PGMs) are used to purify automobile exhaust gases, and more than 60% of overall production of Pt, Pd, and Rh is used to produce automobile exhaust cleaners each year [1, 2].Owing to the popularity of automobiles and increasing automobile exhaust emissions, large amounts of spent automobile catalysts have …
Analysis of Platinum Group Elements with the …
Method development and analysis. Wavelength selection was made from a subset of wavelengths using the Fullframe capability of the Thermo ScientificTM QtegraTM …
Recovery of platinum group metal secondary resource by …
The recovery of platinum group metal (PGM) secondary resource by iron trapping method based on solid state was investigated. The results show that a iron powder with 110.4 g/t Pt, 27.3 g/t Pd and ...
Platinum Group Metals Analysis
The most appropriate method of analysis for each individual sample supplied will be assessed, based on AnchorCert Analytical's knowledge and technical expertise. Platinum Group Metals (PGM's) in metallic, powder, solution, ore forms and a wide range of catalysts (both new and spent) can be analysed. PGM's, either individually or in ...
Platinum group elements
Platinum group elements. The value and assorted uses of gold, platinum and palladium are well known. ... Method options for analysis of gold, platinum & palladium. Code Analyte Range (ppm) Description; Trace Level: PGM-MS23L: Pt Pd Au: 0.0001-1 0.0002-1 0.001-1: Super trace Pt, Pd and Au by fire assay and ICP-MS finish.
Chromatographic separation of platinum group metals …
To separate platinum group metals (PGMs) ... Compared to these methods, extraction chromatography which uses solid state adsorbents has many attractive advantages, such as no or very limited utilization of organic diluents, compact equipment and less waste accumulation [9]. On the other hand, in extraction chromatography, an …
Recovery and Enrichment of Platinum Group Metals …
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) …
Platinum Group Elements Mineralogy, Beneficiation, and Extraction
Platinum group elements have become imperative to many modern industrial applications (automobiles, jewelry, pharmaceuticals, electronics, fuel cells, etc.) but are mined in only a few places. Characterization followed by beneficiation and extraction of these elements has many challenges for the applied mineralogist and mineral …
On the path of recovering platinum-group metals and …
Platinum-group metals can be recovered using many methods, out of which the two main groups are as follows: hydrometallurgical methods and pyrometallurgical methods. Hydrometallurgical methods are based on the dissolution of PGMs from waste materials or on the dissolution of a carrier containing PGMs.
The extractive metallurgy of South Africa's platinum ores
The present study investigated a novel method of alkaline ferricyanide leaching to extract palladium (Pd) from a Western Australian disseminated platinum-group metal (PGM) oxide ore that bears Ni ...
Ngezi Platinum Group Metals Mine, Zimbabwe
Overall, the reserves contain 23.9Moz of 4E, including 11.9Moz of platinum in an orebody that averages 2.4m thick. Hartley's resource base was 218Mt grading 2.04g/t platinum-group metals equivalent, plus minor copper and nickel. Ngezi open-pit mining. Ore reserves at Ngezi lie at a depth of between 20m and 50m below the surface.
Solvent Extraction as a Method of Recovery and …
Platinum group metals (PGMs) are a group of metals with high market value and low prevalence in the Earth's crust. Physically, they are grayish-white metals (except for osmium) with relatively high …
Platinum-Group Metals Statistics and Information
The catalytic properties of the six platinum group metals (PGM)– iridium, osmium, palladium, platinum, rhodium, and ruthenium – are outstanding. Platinum's wear and tarnish resistance characteristics are well suited for making fine jewelry. Other distinctive properties include resistance to chemical attack, excellent high-temperature ...
Enhancing the performance of platinum group metal-based
Platinum group metal (PGM) catalysts have been well recognized as one of the best catalysts towards energy conversion and storage devices, such as fuel cells and water electrolyzers. ... Then the synthesis methods to incorporate the nonmetals are listed, intending to provide inspirations for the future design of materials. The promising ...
(PDF) Extraction of Platinum Group Metals
Platinum group elements have become imperative to many modern industrial applications (automobiles, jewelry, pharmaceuticals, electronics, fuel cells, etc.) but are mined in only a few places.
Single-Step Hydrometallurgical Method for the …
Platinum group metals (PGMs) are widely used in various industrial areas, being part of exhaust catalytic system, electronics, photovoltaics, dental materials, …
Recovery and Enrichment of Platinum Group Metals from …
The world platinum group metals (PGMsPlatinum group metals (PGMs)) reserves and the recoveryRecovery of PGMsPlatinum group metals (PGMs) secondary resources are discussed in this review. ... Liu C, Sun S, Zhu X, et al (2020) Research, metals smelting-collection method for recycling of platinum group metals from waste …
Recovery of Platinum Group Metals from Spent Automobile …
The commonly used methods for recovering platinum group metals from spent automobile exhaust catalysts include pyrometallurgy 5,6,7,8 and hydrometallurgy. 9,10,11 The pyrometallurgy method mainly uses the characteristics of platinum group metals to form alloys with iron, copper, and lead to achieve the purpose of enrichment, …
Efficient enrichment of platinum group metals from spent …
Process flow chart of high-pressure transformation and the subsequent normal acid leaching method to enrich platinum group metals from spent automotive catalysts. Under the alkali high temperature solution, γ-Al 2 O 3 dissolved and cordierite in the SAC underwent a phase transformation, producing the ALLR and ALLS, respectively. …
Platinum Group Nanowires for Efficient Electrocatalysis
Small Methods. Volume 3, Issue 5 1800545. Progress Report. Platinum Group Nanowires for Efficient Electrocatalysis. Qi Shao, ... At the frontier of electrocatalysis, there is a research endeavor focusing on platinum group (PG)-based nanomaterials due to their fantastic morphological diversity and superior catalytic …
(PDF) A Generic Wet Impregnation Method for Preparing Substrate
Alumina-supported platinum–silver alloy nanoparticle (Pt–Ag/Al2O3) catalysts with different particle composition have been prepared using a wet chemistry method and studied for the property in ...
Extraction of platinum group metals from catalytic …
The extraction of platinum group elements is a highly expensive process, emphasizing the need to achieve maximum extraction efficiency into the concentrate. The process of extracting PGMs involves several key steps. • crushing and grinding of the …
Platinum Group
Platinum Group is a global technology consultancy dedicated to delivering high-impact project and people-based services to major financial institutions across the United Kingdom, Europe and the United States. Our elite team of industry leaders and client specialists have decades of experience in delivering high-profile initiatives, meaning we are perfectly …
An improved digestion technique for determination of platinum group …
This paper reports a modified digestion method for the determination of platinum group elements (PGEs) in geological samples. Samples are first digested by HF in a custom made 120 ml PTFE beaker
Solvent Extraction as a Method of Recovery and …
Keywords: platinum group metals; solvent extraction; noble metal recovery 1. Introduction Platinum group metals (PGMs) are a group of metals with high market value and low prevalence in the Earth's crust. Physically, they are grayish-white metals (except for osmium) with relatively high hardness and brittleness. Platinum group …
Determination of Platinum‐Group Elements and Re‐Os …
We report an improved procedure for the determination of the platinum‐group elements (PGE) and Re, and Os isotopes from a single sample aliquot by isotope dilution (ID) using inductively coupled plasma‐mass spectrometry (ICP‐MS) and negative thermal ionisation mass spectrometry (N‐TIMS), respectively. A two‐stage column method was used to …
Bakubung Platinum Mine enters Section 189 consultations
November 27, 2023. Bakubung Minerals will enter consultations in terms of Section 189A of the Labour Relations Act 66 of 1995, as amended with organized labour and other affected stakeholders, regarding the possible restructuring of its operations. The initiation of the section 189 consultations comes at the backdrop of the decision by the ...
Potential Processing Routes for Recovery of Platinum Group …
In this investigation a solid, nano-silica (NS) based frother was synthesized using the sol–gel method for test works involving Platinum Group Metals (PGMs) and associated base metals.
Metals smelting-collection method for recycling of platinum group …
Platinum group metals (PGMs) are widely applied in the field of catalysts due to their excellent catalyst activity and high-temperature stability. ... Cyanide leaching method for recovering platinum group metals from a catalytic converter catalyst. U.S. Patent 5,160,711. Google Scholar. Baghalha M, Gh HK, Mortaheb HR (2009) Kinetics of …
What Are Platinum Group Metals or PGMs?
See more on sciencenotes
Explore further
List of Platinum Group Metals or PGMsWEBMineable platinum group metal (PGM) deposits are rare and found in relatively few areas of the world. At the same time, the use …
Single-Step Hydrometallurgical Method for the Platinum Group …
Abstract Platinum group metals (PGMs) are considered critical raw materials, thus their recycling and re-use is of outmost importance. Among the PGMs, platinum (Pt), palladium (Pd) and rhodium (Rh) are the basic metals used in catalytic converters. Concerning the stringent EU standards for emission control imposed to car …
Extraction of Platinum Group Metals | IntechOpen
Platinum group metals (PGMs) are a group of six elements, namely iridium (Ir), osmium (Os), platinum (Pt), palladium …
Recovery and Enrichment of Platinum Group Metals …
platinum group metals in spent automobile catalyst is more than 2000 g/t, which ... Plasma smelting method uses plasma arc to melt and enrich precious metals. Although smelting has its particularity, it also belongs to the category of metal capture method (Fig. 6). In the process, iron is generally used to capture PGMs.