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extracting platinum from the ore

extracting platinum from the ore

How Is Platinum Extracted? - Reference

2020-4-13  Platinum ore can be obtained through controlled explosions or by advanced mining techniques. Once it has been mined, the platinum is extracted from the ore in

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How is platinum extracted from its ore - SlideShare

2014-9-19  Extracting Platinum from these ores is arguably one of the most capital and labour intensive operations in the world. On average, it takes up to six months and up to 12 tonnes of ore to produce an industry standard troy ounce, which is 31.135 grams of

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Extraction and Refining of the Platinum Metals

major development in the world’s platinum industry took place in the early nineteen twenties when large deposits of platinum bearing ore were discovered in the Transvaal in South Africa. This led to the formation in 1931 of Rustenburg Platinum Mines Limited to work these deposits, and this company remains to this day the only platinum producer in South Africa and the only major producer in the

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Extraction and Refining of the Platinum Metals

2 天前  From the outset Johnson Matthey has been associated with Rustenburg, first in developing methods for the extraction of the platinum metals from these ores, and thereafter as smelters and refiners of the output from the mines.

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Extraction of Platinum Group Metals IntechOpen

2018-2-21  In South Africa, the PGM ore is mined in the western and eastern limb of the Bushveld Igneous Complex . Within the Bushveld Igneous Complex, the Merensky

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US4337226A - Recovery of platinum-group metals

The residue is then leached with a solution comprising sulfuric acid and NaOCl or H 2 O 2 to extract platinum, palladium, copper and gold. US4337226A - Recovery of platinum-group metals from ores

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Extracting platinum metals - Chemical Engineering

2016-3-1  The traditional method for recovering platinum-group metals (Pt, Pa, Ir, Os, Rh, Ru and Au) is not economically viable in the case of low-grade deposits, but researchers from the Western Australian School of Mines, Curtin University (Perth; curtin.edu.au) and the Dept. of Processing Engineering, Stellenbosch University (Matieland, South Africa; sun.ac.za) may have found a cost-effective

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Process for extracting gold, silver, platinum, lead, or ...

The process is in steps including, pulverizing the ore material, drying the ore, melting elemental lead in a melting chamber and Process for extracting gold, silver, platinum, lead, or manganese metals from ore - BURCH; GLEN R.

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Mining Platinum From The Road Hackaday

2016-6-6  Taking away the lead reveals a speck of impure platinum, which he further purifies and assays to determine the percentage of platinum and to detect the other

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How is platinum extracted from its ore? - Answers

2014-6-19  Platinum is rarely found on its own, but in combination with other base and precious metals. Extraction of the pure metal from ores is a complex process, and includes milling the ore, a froth ...

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Extraction and Refining of the Platinum Metals

2 天前  A major development in the world’s platinum industry took place in the early nineteen twenties when large deposits of platinum bearing ore were discovered in the Transvaal in South Africa. This led to the formation in 1931 of Rustenburg Platinum Mines Limited to work these deposits, and this company remains to this day the only platinum

Get Price

Advantages Of Extracting Platinum

2021-1-17  21-08-2020 Extracting platinum from ore is both capital and labor-intensive. It can take up to 6 months and 7 to 12 tons of ore to produce one troy ounce (31.135g) of pure platinum. The first step in this process is to crush platinum containing ore and immerse it in the reagent containing water; a process known as 'froth flotation'. More

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platinum mining, mining of platinum, platinum,

2021-3-24  Extracting platinum from its ore is both capital and labor intensive. It can take up to 6 months and 7 to 12 tons of ore to produce 31.135g of pure platinum. STEPS INVOLVED : The first step in the production process is to break platinum containing ore and immerse it in indicator containing water, a process known as 'froth flotation'. During ...

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US4337226A - Recovery of platinum-group metals

Metal values are recovered from ore concentrates by means of dry grinding, followed by a two-stage leaching process in which the ground concentrate is first leached with sulfuric acid at a temperature of about 90° to 100° C. to selectively leach nickel and iron. The residue is then leached with a solution comprising sulfuric acid and NaOCl or H 2 O 2 to extract platinum, palladium, copper ...

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Extracting platinum metals - Chemical Engineering

2016-3-1  Platinum-group metals form a complex range of 30 to 40 minerals, each with a different resistance to leaching, making it difficult to find a unique solution for all deposits, explains Eksteen. Once leached, the metals are adsorbed from solution on to activated carbon, he says. The next step is to elute (wash with solvent) metals from the carbon ...

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The Properties and Applications of Platinum

2020-8-21  Extracting platinum from ore is both capital and labor-intensive. It can take up to 6 months and 7 to 12 tons of ore to produce one troy ounce (31.135g) of pure platinum. The first step in this process is to crush platinum containing ore and immerse it in the reagent containing water; a process known as 'froth flotation'.

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New platinum extraction method to aid Kimberley

2020-7-13  A study by Curtin University on Panoramic’s Panton Sill platinum group metals (PGM) deposit in the Kimberley region has led to the development of a cost-saving method of extracting platinum ...

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Production of Platinum and Palladium – Two of the

2017-3-21  The process of extracting platinum from the ore deposits is very labor intensive. In order to produce one troy once (31.135g) of pure platinum, about 7 to 12 tons of ore must be extracted in a span of six months. The first step in the extraction process is to crush the ore that contains platinum

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Extracting ores Mining of mineral resources Siyavula

Extracting ore. Igneous and metamorphic rock is found where gold is mined. ... We are the world's largest producers of chromium, manganese, platinum, vanadium and andalusite; and the second largest producer of ilmenite, palladium, rutile and zirconium. We are the third largest coal exporter, fifth largest diamond producer and seventh largest ...

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How is platinum extracted from its ore? - Answers

2014-6-19  Platinum is rarely found on its own, but in combination with other base and precious metals. Extraction of the pure metal from ores is a complex process, and includes milling the ore, a froth ...

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New cost-effective method for platinum ore

2020-7-13  A new method for extracting platinum metal from ore has been developed by researchers at Curtin University, with support from the State Government through the Minerals Research Institute of Western Australia and industry sponsor Panoramic Resources.

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platinum mining, mining of platinum, platinum,

2021-3-24  Extracting platinum from its ore is both capital and labor intensive. It can take up to 6 months and 7 to 12 tons of ore to produce 31.135g of pure platinum. STEPS INVOLVED : The first step in the production process is to break platinum containing ore and immerse it in indicator containing water, a process known as 'froth flotation'. During ...

Get Price

Production of Platinum and Palladium – Two of the

2017-3-21  The process of extracting platinum from the ore deposits is very labor intensive. In order to produce one troy once (31.135g) of pure platinum, about 7 to 12 tons of ore must be extracted in a span of six months. The first step in the extraction process is to crush the ore that contains platinum

Get Price

The method of extracting precious metals from the ...

The method for extracting noble metals as platinum material by treating the material with a mixture of HNO 3 and Hcl at high temperature (+250 o (C) under pressure (R. Side "decomposition Methods in analytical chemistry", 1984, S. 194-197). In this case, take the excess Hcl, and the treatment is carried out in an autoclave lined with Teflon.

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Electrochemistry Encyclopedia -- Extracting metals

EXTRACTING METALS FROM SULFIDE ORES. Many important metals are present in nature combined with sulfur as metal sulfides; these include cadmium, cobalt, copper, lead, molybdenum, nickel, silver, and zinc. In addition, gold and platinum group metals are associated with sulfidic base metal ores. The extraction of metals from their ores has been an ...

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PGM Ore Processing at Impala's UG-2 Concentrator

PGM Ore PrOcessinG at iMPala’s UG-2 cOncentratOr in rUstenbUrG, sOUth africa. eUGene nel and JOhan therOn - iMPala PlatinUM ltd.; chris Martin and hans raabe - sGs abstract Impala Platinum Limited is the world’s second largest platinum producer, producing more than 1.7 million ounces of the precious metal last year, much of this from the UG ...

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Leaching and recovery of platinum group metals from UG

2009-8-26  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

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The Extraction of Gold by Chemical Methods Nature

EXCLUDING mechanical, smelting, and amalgamation processes, the methods of extracting gold from its ores may conveniently be grouped together under the heading of wet or chemical methods. In these ...

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Metal Profile: Iridium - ThoughtCo

2020-8-21  Once any existing silver, gold, palladium, and platinum are removed from the ore, the remaining residue is melted with sodium bisulfate in order to remove rhodium. The remaining concentrate, which contains iridium, along with ruthenium and osmium, is melted with sodium peroxide (Na 2 O 2 ) to remove ruthenium and osmium salts, leaving behind ...

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Advantages Of Extracting Platinum

2021-1-17  21-08-2020 Extracting platinum from ore is both capital and labor-intensive. It can take up to 6 months and 7 to 12 tons of ore to produce one troy ounce (31.135g) of pure platinum. The first step in this process is to crush platinum containing ore and immerse it in the reagent containing water; a process known as 'froth flotation'.

Get Price

Extracting platinum metals - Chemical Engineering

2016-3-1  Platinum-group metals form a complex range of 30 to 40 minerals, each with a different resistance to leaching, making it difficult to find a unique solution for all deposits, explains Eksteen. Once leached, the metals are adsorbed from solution on to activated carbon, he says. The next step is to elute (wash with solvent) metals from the carbon ...

Get Price

How is platinum extracted from its ore? - Answers

2014-6-19  Platinum is rarely found on its own, but in combination with other base and precious metals. Extraction of the pure metal from ores is a complex process, and includes milling the ore, a froth ...

Get Price

Production of Platinum and Palladium – Two of the

2017-3-21  The process of extracting platinum from the ore deposits is very labor intensive. In order to produce one troy once (31.135g) of pure platinum, about 7 to 12 tons of ore must be extracted in a span of six months. The first step in the extraction process is to crush the ore that contains platinum

Get Price

The method of extracting precious metals from the ...

The method for extracting noble metals as platinum material by treating the material with a mixture of HNO 3 and Hcl at high temperature (+250 o (C) under pressure (R. Side "decomposition Methods in analytical chemistry", 1984, S. 194-197). In this case, take the excess Hcl, and the treatment is carried out in an autoclave lined with Teflon.

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Hydrometallurgical extraction of platinum group

The PGMs of particular interest are platinum, palladium, ruthenium and rhodium, while the BMs of interest are copper and nickel. The ore concentrate, as a by-product, represents only 5 % of the total PGM value but as much as 70 % of the total tonnage of material processed in the concentrator plant.

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Process for extracting platinum group metals -

The present invention relates to a process for extracting platinum group metals (PGMs) from a source material containing PGMs using heat treatment and subsequent leaching with a solution containing cyanide. In this specification, the expression “PGMs” is used to describe metals selected from the group comprising platinum, palladium, rhodium ...

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An investigation of cyanide-based heap leaching for ...

2020-12-15  extracting precious metals from Platreef ore . By: James Malumbo Mwase . Supervisor: Prof. Jochen Petersen. 2016 . Submitted in fulfilment of the requirements for the award of the . ... smelt-refine route for processing platinum group metals (PGMs) from the Platreef ore body.

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Learn About Rhodium, a Rare Platinum Group Metal

2019-6-25  The first step in extracting rhodium from the ore is precipitating precious metals such as gold, silver, palladium, and platinum. The remaining ore is treated with sodium bisulfate NaHSO 4 and melted, resulting in rhodium (III) sulfate, Rh 2 (SO 4 ) 3.

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Chemistry of Elements - NIOS

2013-2-26  The process of extracting the metals from their ores and refining them is calledmetallurgy. The choice of the process depends upon the nature of the ore and the type of the metal. The metal content in the ore can vary depending upon the impurities present and chemical composition of the ore. Some common steps involved in the extraction of ...

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