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  • The use of electrochemical measurements in the flotation of a

    Electrochemical potential is considered an important parameter for controlling the recovery and selectivity of sulphide minerals during flotation. The aim of this work was to use mineral potential measurements to gain an understanding of respective mineral flotation performance in the processing of a platinum group mineral 

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  • Refining Approaches in the Platinum Group Metal MDPI

    Mar 22, 2018 metals. Review. Refining Approaches in the Platinum Group Metal. Processing Value ChainA Review. Pia Sinisalo and Mari Lundström * . by flotation. Conventionally, flotation concentrates are enriched by smelting, i.e., iron is combined with silica and lime, oxidised, and separated as a slag leaving the 

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  • Refining Approaches in the Platinum Group Metal MDPI

    Mar 22, 2018 metals. Review. Refining Approaches in the Platinum Group Metal. Processing Value ChainA Review. Pia Sinisalo and Mari Lundström * . by flotation. Conventionally, flotation concentrates are enriched by smelting, i.e., iron is combined with silica and lime, oxidised, and separated as a slag leaving the 

    Online
  • A comparison of models for the recovery of minerals in a UG2

    A study was carried out to evaluate various batch flotation models for the recovery of minerals in a UG2 platinum ore. The major minerals in a UG2 ore can be grouped as platinum group minerals, chromite, and siliceous gangue. This study also examined the entrainment of minerals during flotation. The models were ranked 

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  • Methods of recovering platinumgroup metals from Stillwater

    As part of its strategic and critical minerals program, the U.S. Bureau of Mines investigated methods for beneficiating and recovering platinumgroup metals Benchscale research showed that conventional matte smelting and leaching methods could be used to recover the precious metals from the flotation concentrate.

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  • 18 Flotation of Platinum Group Metal Ores MyCourses

    Flotation of Platinum Group Metal Ores. 18.1 INTRODUCTION. In chemical terms the six main platinum group elements (PGE), ruthenium, rhodium, palladium, osmium, iridium and platinum, belong to the group VIII transition metals, to which also belong iron, nickel and cobalt. These elements have long been considered, 

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  • kell hydrometallurgical process for extraction of platinum group and

    The Kell Process has been developed for extraction of platinum group metals (PGM) and base metals from sulfide flotation concentrates. The process has been successfully tested on several different sulfide flotation concentrates, including those from the UG2 chromitite horizon, the Platreef mafic/ultramafic layer and the 

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  • Recovery of platinum group metals from oxide oresTML Process

    Abstract. The Great Dyke, Zimbabwe, contains over 800 million ounces of platinum and approximately 20 million ounces of rhodium. However, about 10% of the ore is oxidized and cannot be processed with current recovery methods. A conventional flotationsmelting process has been proposed to recover the platinum 

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  • Recovery of platinum group metals from oxide oresTML Process

    Abstract. The Great Dyke, Zimbabwe, contains over 800 million ounces of platinum and approximately 20 million ounces of rhodium. However, about 10% of the ore is oxidized and cannot be processed with current recovery methods. A conventional flotationsmelting process has been proposed to recover the platinum 

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  • pH Control in Flotation of PGM Platinum Group Metal Ores Froth

    Hello, in the flotation of Platinum Group Metal Ores, is it considered wise or cost effective to introduce pH control? Is there any mine that mine PGMs that does pH control in their metallurgical plants?The reason why i ask is because i did some test works. I wanted to check the relations.

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  • PlatinumGrouP metals USGS Mineral Resources Program

    mines was 7.3 grams per metric ton (g/t) combined palladium and platinum, compared with 8.2 g/t in 2003 (stillwater mining Company, 2005, p., 39). stillwater processed ore from the stillwater mine through a flotation concentrator adjacent to the mine shaft. the mill had an approximate capacity of 2,720 metric tons per day of 

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  • Treatment of Platinum Flotation Products Johnson Matthey

    A flowsheet has been developed for the production of rich concentrates of precious and nonferrous metals by a complex treatment of the flotation products from South African platinumcontaining chrome ores. The procedure involves: autoclave leaching, roasting, hydrochlorination and precious metal recovery by sorption.

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  • Methods of recovering platinumgroup metals from Stillwater

    As part of its strategic and critical minerals program, the U.S. Bureau of Mines investigated methods for beneficiating and recovering platinumgroup metals Benchscale research showed that conventional matte smelting and leaching methods could be used to recover the precious metals from the flotation concentrate.

    Online
  • 2. Literature review on platinumgroup minerals University of Pretoria

    Microprobe analysis of platinumgroup minerals from Mimosa Mine. (Great Dyke). Although this has not been demonstrated, it is proposed that the Te and Bismuth contents of the PdPtBiTe class will affect the flotation behaviour of these particles. It is therefore important to establish the major types of PGMs in this class for 

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  • Is the Platinum Group Minerals in a typical Zimbabwe flotation

    47. 38. 25. 0. 5. 25. 6. 0. 12. 5. 25. 9. Total 100. 100. 100. 100. 100. 100. 100. 100. 100. 100. 100. 100. 100. 100. Table 1: Typical Zimbabwe flotation concentrate Platinum Group Mineral composition compared to typical examples of other PGM flotation concentrates? (Individual PGM's grouped in groupings typically used.) 

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  • Treatment of Platinum Flotation Products

    the phase composition of the flotation concentrate showed that nickel is present as pentlandite and copper as chalcopyrite. Iron is present in these minerals and is also present as pyrrhotite and in rockforming minerals (pyroxene, spinel and talc). Platinum group metals are found as their own sul fides and in mixed sulfide 

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  • Review of Recovery of Platinum Group Metals from Copper Leach

    Porphyry copper and mixed coppergold sulfide deposits contain varying amounts of precious (gold and silver) and platinum group metals (PGMs). Currently, milling and froth flotation is the most common processing route for the treatment of highgrade base metal sulfide ores. During this process, the precious metals and 

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  • Ultra fine grinding of intermediate flotation concentrates in the PGM

    Platinum Mile Resources (Pty) Ltd. Platinum Mile operates a flotation plant treating the tailings from Anglo Platinum's Waterval concentrator operations. The contained PGMs and base metals are recovered as a low grade flotation concentrate and are further treated for the recovery of saleable metals at Anglo. Platinum's 

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  • Flotation Collectors CYTEC SOLVAY GROUP

    Designed to operate across a broad range of alkalinity levels and provide faster flotation kinetics, our flotation collectors have become the industry standard in the recovery of copper, gold, molybdenum and other metals. AEROPHINE®, AERO® and AEROFLOAT® collectors (promoters) are used extensively for the flotation 

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  • The PlatinumGroup Chemistry and Mineralogy of the CiteSeerX

    aspects, such as the chemistry and flotation behavior of these minerals. We will, however, restrict this pa per to the distribution, structure, and mineralogical composition of the UG2 layer, and the chemical vari ations in platinumgroup elements plus gold contents and chromium spinels aspects which may shed light.

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  • Platinum Palladium Flotation 911 Metallurgist

    Jun 24, 2017 An exploration program initiated by JohnsManville Corp. resulted in the discovery of significant occurrences of platinumgroup elements in the Stillwater complex of southcentral Montana. The mineralization occurs in a horizon of relatively sulfiderich anorthositic rocks within the Banded Zone of the 

    Online
  • Recovery of Platinum, Palladium, and Gold From CDC stacks

    platinumgroup metals (PGM) and gold from Stillwater Complex flotation concentrate. The Stillwater Complex is the only major U.S. PGM re source. Development of a suitable extraction technique will contribute to its exploitation. The concentrate was roasted at 1,050° C to convert host basemetal sulfides to oxides and the 

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  • The PGM flotation predictor: Predicting PGM ore flotation Mintek

    Performance of froth flotation recovery plants for platinum group minerals (PGMs) is usually monitored by means of routine chemical assays of samples taken at various loions in the plant. Whilst these assays can alert the plant metallurgist to variations in recovery, the reasons for changes in recovery are not adequately 

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  • The use of electrochemical measurements in the flotation of a

    Electrochemical potential is considered an important parameter for controlling the recovery and selectivity of sulphide minerals during flotation. The aim of this work was to use mineral potential measurements to gain an understanding of respective mineral flotation performance in the processing of a platinum group mineral 

    Online
  • Flotation Collectors CYTEC SOLVAY GROUP

    Designed to operate across a broad range of alkalinity levels and provide faster flotation kinetics, our flotation collectors have become the industry standard in the recovery of copper, gold, molybdenum and other metals. AEROPHINE®, AERO® and AEROFLOAT® collectors (promoters) are used extensively for the flotation 

    Online
  • Investigations into the Recovery of Platinum Group Minerals from

    Oct 1, 2013 In the flotation of platinum group minerals (PGMs) it has generally been assumed that they will behave similarly to base metal sulfides and thus sulfide reagent regimes are generally used in such flotation plants. However the tellurides and arsenides of platinum and palladium contribute about 50% of the 

    Online
  • Platinum Palladium Flotation 911 Metallurgist

    Jun 24, 2017 An exploration program initiated by JohnsManville Corp. resulted in the discovery of significant occurrences of platinumgroup elements in the Stillwater complex of southcentral Montana. The mineralization occurs in a horizon of relatively sulfiderich anorthositic rocks within the Banded Zone of the 

    Online
  • 18 Flotation of Platinum Group Metal Ores MyCourses

    Flotation of Platinum Group Metal Ores. 18.1 INTRODUCTION. In chemical terms the six main platinum group elements (PGE), ruthenium, rhodium, palladium, osmium, iridium and platinum, belong to the group VIII transition metals, to which also belong iron, nickel and cobalt. These elements have long been considered, 

    Online
  • Flotation ore dressing Britannica

    Flotation: Flotation, in mineral processing, method used to separate and concentrate ores by altering their surfaces to a hydrophobic or hydrophilic conditionthat is, the surfaces are either Many complex ore mixtures formerly of little value have become major sources of certain metals by means of the flotation process.

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  • PlatinumGrouP metals USGS Mineral Resources Program

    mines was 7.3 grams per metric ton (g/t) combined palladium and platinum, compared with 8.2 g/t in 2003 (stillwater mining Company, 2005, p., 39). stillwater processed ore from the stillwater mine through a flotation concentrator adjacent to the mine shaft. the mill had an approximate capacity of 2,720 metric tons per day of 

    Online
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