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platinum group milling method

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  • Determination of the milling parameters of a platinum

    Apr 01, 2013· The primary reason for milling materials to smaller particles in Platinum Group Minerals (PGMs) size reduction is to liberate the valuable components dispersed in the host matrix. When the material has been reduced in a size, enough to give sufficient liberation of the valuable components, the valuable components will be separated from the host

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  • Determination of the milling parameters of a platinum

    Chimwani et al. [3] did some work on the UG2 ore in order to determine the milling parameters of this platinum group mineral ore that will result in the optimum production of a desired size class

  • US10457999B2 Method for platinum group metals recovery

    A method for recovery of platinum group metals from a spent catalyst is described. The method includes crushing the spent catalyst to obtain a catalyst particulate material including particles having a predetermined grain size. The method includes subjecting the catalyst particulate material to a chlorinating treatment in the reaction zone at a predetermined temperature for a predetermined

  • Cited by: 5
  • METHOD FOR PLATINUM GROUP METALS RECOVERY FROM

    Aug 22, 2019· 1. A method for recovery of platinum group metals from a spent catalyst, the method comprising: obtaining a catalyst particulate material comprising platinum group metals from said spent catalyst wherein said particulate material has a predetermined grain size; mixing said catalyst particulate material with a solid chlorine-containing material and a solid silicon-containing material in a

  • Cited by: 5
  • Machining Properties of Platinum Johnson Matthey

    Platinum is usually considered to be a ductile workable metal readily fabricated by all the usual processes; it is therefore somewhat surprising to discover that the machining of platinum by conventional techniques results in rapid and extensive tool wear, with consequent deterioration of the surface finish imparted to the platinum article. This paper reports the results of an investigation

  • Recovery of platinum group metals from spent catalysts: A

    Dec 10, 2015· A detailed overview of recovery of platinum group metals from spent catalysts. followed by traditional hydrometallurgical method to recover platinum; Pt recovery was over 99%. The process consists of crushing and milling, homogenization, pelletizing,

  • Platinum group chemical element group Britannica

    Platinum group, six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and platinum (Pt). The elements all possess a silvery white colour—except osmium, which is bluish white. The chemical behaviour of these metals is paradoxical

  • Platinum group Wikipedia

    The platinum-group metals (abbreviated as the PGMs; alternatively, the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs)) are six noble, precious metallic elements clustered together in the periodic table.These elements are all transition metals in the d-block (groups 8, 9, and 10, periods 5 and 6).

  • The Platinum Group Element Deposits of the Bushveld

    There are enough platinum group element deposits in the Bushveld Complex in South Africa to supply world demands for many decades or even a century using current mining techniques. Demonstrated reserves and resources published by mining companies make detailed calculations up to a maximum of about twenty years ahead, but there is abundant and adequate geological evidence that these

  • Determination of the milling parameters of a platinum

    Chimwani et al. [3] did some work on the UG2 ore in order to determine the milling parameters of this platinum group mineral ore that will result in the optimum production of a desired size class

  • US10457999B2 Method for platinum group metals recovery

    A method for recovery of platinum group metals from a spent catalyst is described. The method includes crushing the spent catalyst to obtain a catalyst particulate material including particles having a predetermined grain size. The method includes subjecting the catalyst particulate material to a chlorinating treatment in the reaction zone at a predetermined temperature for a predetermined

  • How Is Platinum Mined History and Practices

    A recently opened underground section uses deeper level extraction methods. In Stillwater, Montana, pgm is extracted from the J-M Reef. 80% of their platinum and palladium-rich ore is mined using a mechanized ramp and fill method, much like the LHD method in South Africa.

  • METHOD FOR PLATINUM GROUP METALS RECOVERY FROM

    Aug 22, 2019· 1. A method for recovery of platinum group metals from a spent catalyst, the method comprising: obtaining a catalyst particulate material comprising platinum group metals from said spent catalyst wherein said particulate material has a predetermined grain size; mixing said catalyst particulate material with a solid chlorine-containing material and a solid silicon-containing material in a

  • Platinum Group Nanowires for Efficient Electrocatalysis

    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 performance. In contrast to catalysts with other morphologies, nanowire catalysts show great potential in electrocatalysis due to their large surface area

  • Stirred milling—new comminution J technology in the PGM

    Stirred milling is the latest comminution technology to be applied widely in the PGM industry. The drivers for this are related to the shift in the mining and extraction of PGMs conventional milling. Keywords PGM, platinum group metals, UG2, Merensky, platreef, stirred

  • (PDF) Direct leach approaches to Platinum Group Metal (PGM

    International PGM Technologies, to recover platinum group metals, gold and base metals such as Cu, Ni and Co from a variety of high and low-grade ores, concentrates, mattes, auto-catalysts and other

  • Leaching and recovery of platinum group metals from UG-2

    Leaching and recovery of platinum group metals from UG-2 concentrates yields were not good (less than 40 per cent). Platinum leaching was particularly poor with cyanide (ambient temperature). A HCl/chlorine leach on untreated material had the same effect as a

  • MF1200BBLL Gundrilling/Milling Platinum Tool Group

    The Platinum Group has added a new Gun Drilling and Milling Center to its Windsor, Ontario operations. Milling axis on separate spindle for operations such as flattening, spot-facing, tapping. The main advantage of the center MF1000/2F is its versatility. In fact, a deep drilling center offering also good milling capabilities can strongly

  • PromacGVT-Sharav Platinum Tool Group

    The Platinum Group has purchased a Promac Sharav GVT moving bridge milling centre. “This new machine provides us with high-performance 3 and 5-axis contouring capability coupled with high accuracy”, says Platinum Group President Dan Moynahan. “It can be utilized for improved machining of composites, aluminum and steel.”

  • Extraction of Platinum Group Metals IntechOpen

    Oct 02, 2017· Platinum group metals (PGMs) are a group of six elements, namely iridium (Ir), osmium (Os), platinum (Pt), palladium (Pd), rhodium (Rh) and ruthenium (Ru) [1, 2].PGMs together with gold and silver are classified as noble or precious metals because of their high corrosion and oxidation resistance [1, 2, 3].The world’s reserves of platinum group metals/elements are estimated at 100 million

  • Gold and Platinum Refining & Recovery Systems Equipment

    The platinum group metals (or PGMs) include: platinum, palladium, rhodium, iridium, osmium, and ruthenium. Platinum, palladium, and rhodium are commonly used in industry and jewelry. The saltwater process will recover and refine all of the platinum metals and will separate each platinum group metal from the other and will yield a purity of at

  • Materials Free Full-Text Study on Platinum Coating

    In recent years, focused ion beam milling has been applied in sample preparation for transmission electron microscopy (TEM). Due to diamond’s extreme properties, it is very difficult to prepare a TEM sample from diamond using conventional preparation methods, including mechanical thinning, ion milling, and chemical etching [10,11].FIB can be used to prepare a cross-sectional TEM sample of

  • US2662861A Platinum and palladium catalysts Google Patents

    US2662861A US242031A US24203151A US2662861A US 2662861 A US2662861 A US 2662861A US 242031 A US242031 A US 242031A US 24203151 A US24203151 A US 24203151A US 2662861 A US2662861 A US 2662861A Authority US United States Prior art keywords platinum catalyst alumina slurry palladium Prior art date 1951-08-15 Legal status (The legal status is an assumption and is not a

  • Extraction of Platinum Group Metals IntechOpen

    Oct 02, 2017· Platinum group metals (PGMs) are a group of six elements, namely iridium (Ir), osmium (Os), platinum (Pt), palladium (Pd), rhodium (Rh) and ruthenium (Ru) [1, 2].PGMs together with gold and silver are classified as noble or precious metals because of their high corrosion and oxidation resistance [1, 2, 3].The world’s reserves of platinum group metals/elements are estimated at 100 million

  • How Is Platinum Mined History and Practices

    A recently opened underground section uses deeper level extraction methods. In Stillwater, Montana, pgm is extracted from the J-M Reef. 80% of their platinum and palladium-rich ore is mined using a mechanized ramp and fill method, much like the LHD method in South Africa.

  • Platinum Group Nanowires for Efficient Electrocatalysis

    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 performance. In contrast to catalysts with other morphologies, nanowire catalysts show great potential in electrocatalysis due to their large surface area

  • METHOD FOR PLATINUM GROUP METALS RECOVERY FROM

    Aug 22, 2019· 1. A method for recovery of platinum group metals from a spent catalyst, the method comprising: obtaining a catalyst particulate material comprising platinum group metals from said spent catalyst wherein said particulate material has a predetermined grain size; mixing said catalyst particulate material with a solid chlorine-containing material and a solid silicon-containing material in a

  • Recycling the Platinum Group Metal (PGM) Refining Process

    Global Refining Group: Leading the US With Our PGM Processing System. At Global Refining Group,we are confident that our processing system is the most effective method of PGM recycling in the United States and around the world. Capable of extracting 2 to 6% more material than any other current method, our completely enclosed processing system was created to exceed the current standard of

  • Stirred milling—new comminution J technology in the PGM

    Stirred milling is the latest comminution technology to be applied widely in the PGM industry. The drivers for this are related to the shift in the mining and extraction of PGMs conventional milling. Keywords PGM, platinum group metals, UG2, Merensky, platreef, stirred

  • (PDF) Direct leach approaches to Platinum Group Metal (PGM

    International PGM Technologies, to recover platinum group metals, gold and base metals such as Cu, Ni and Co from a variety of high and low-grade ores, concentrates, mattes, auto-catalysts and other

  • Gold and Platinum Refining & Recovery Systems Equipment

    The platinum group metals (or PGMs) include: platinum, palladium, rhodium, iridium, osmium, and ruthenium. Platinum, palladium, and rhodium are commonly used in industry and jewelry. The saltwater process will recover and refine all of the platinum metals and will separate each platinum group metal from the other and will yield a purity of at

  • MF1200BBLL Gundrilling/Milling Platinum Tool Group

    The Platinum Group has added a new Gun Drilling and Milling Center to its Windsor, Ontario operations. Milling axis on separate spindle for operations such as flattening, spot-facing, tapping. The main advantage of the center MF1000/2F is its versatility. In fact, a deep drilling center offering also good milling capabilities can strongly

  • Stainless‐Steel Ball‐Milling Method for Hydro‐/Deutero

    Stainless‐Steel Ball‐Milling Method for Hydro‐/Deutero‐genation using H 2 O/D 2 O as a Hydrogen/Deuterium Source Hironao Sajiki, Birch-Type Reduction of Arenes in 2-Propanol Catalyzed by Zero-Valent Iron and Platinum on Carbon, Main group mechanochemistry, Beilstein Journal of Organic Chemistry, 10.3762/bjoc.13.204, 13, (2068

  • HP M fully automated pulverizer milling machine

    The HP M fully automated pulverizer milling machine series is the same as the MP-MA/MS series described above. The machine is, however, narrower in design and has full service access at the rear of the machine. This design takes up less space in a laboratory and also takes up less space in a robot cell allowing more machines to fit into one cell.

  • How Is Platinum Extracted? Reference

    Apr 13, 2020· Because platinum is so rare, it must be extracted after being mined through a process that involves crushing it into incredibly small particles and separating these particles from one another. This is known as the flotation separation method, and produces a frothy layer of particles that can be skimmed to provide the extracted platinum.

  • PGM Platinum Mining & Extraction

    A library of 244 scientific research papers on PGM & Platinum geology, mining and metallurgical extraction methods and processes.

  • platinum mining, mining of platinum, platinum, platinum

    The platinum orebody is a thin, tabular reef covering a vast area. This enables a progressive method of mining which includes the drilling of the reef and blasting it to advance the face. It combines the increased use of industralization and trackless-mining methods in steps. Platinum mining, however, differs from gold mining in different ways.

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