platinum ore extraction process flow

Platinum Mining Platinum

The third step is the extraction process This is done by crushing the ore into minuscule pieces, once this is done the next process the platinum must proceed through is the flotation separation process, which relies on air particles to push the Platinum

Extraction and Refining of the Platinum Metals

ounces to the ton The complete process of extraction consists essentially of enriching this matte to approximately 65 per cent content of platinum metals and then treating this concentrate with acids to separate the individual platinum group metals from each other, followed by final refining Operations to achieve this can roughly be

refining of platinum group metals / priciple flow sheet

The purity of palladium in the strip solution is about 99%, main impurities are silver and platinum The process is very effective in the rejection of nonprecious metals platinum, iridium solvent extraction Similar like palladium, platinum and iridium are separated from the raffinate of the palladium extraction Of course the extractants, conditions and equipments differ For low concentrations of iridium it is not recommended to extract

Separating the Platinum Group Metals by LiquidLiquid

To extract the platinum group metals from ore, and to refine them to the very high purity required for their many applications, requires a multitude of complex operations At present the final refining stage that produces the individual platinum group metals

Platinum Mining and Refining | Education

Most of the mining for platinum ore occurs deep underground To extract the mineralrich materials, miners pack explosives into holes drilled in the rock and blast it into smaller pieces The broken rock is then collected and transported to the surface for processing Platinum production in South Africa Photo by Johnson Matthey Refining platinum ore is a costly and laborious process

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Extraction of Platinum Group Metals | IntechOpen

02102017· 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 chrome feed, alternative routes to smelting of PGM are being investigated

Author: Bongephiwe Mpilonhle Thethwayo

OVERVIEW OF PGM PROCESSING Anglo American Platinum

Platinum Group Metals (PGMs) are recovered through underground and open pit mining from polymetallic 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,

PGM Platinum Mining & Extraction

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

The extractive metallurgy of south africa’s platinum ores

01102001· The extraction technology for platinumgroup metals (PGMs) has changed dramatically in the last 80 years, and the changes are likely to continue for years to come This article will review advances in PGM extraction, including developments in semiautogenous and fully autogenous milling; flotation equipment applications for treating highchrome ores; increases in power densities for future

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How Is Platinum Extracted? Reference

13042020· 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 the same way The platinum ore is not pure, so it is first crushed This produces many tiny

Platinum Mining Platinum

The third step is the extraction process This is done by crushing the ore into minuscule pieces, once this is done the next process the platinum must proceed through is the flotation separation process, which relies on air particles to push the Platinum particles

platinum processing flowsheet

The Anglo Platinum Process Route Ore from mining operations reaches the various concentrators at a platinum head grade of ~3 g/t, while Get Price; platinum mining process flow Mining processing of platinum ore flow sheet Flow of Platinum and the 12 Feb 2003 Mineral deposits containing platinum will contain portions of the other

Separating the Platinum Group Metals by Liquid–Liquid

To extract the platinum group metals from the ore, and to refine them to the very high purity required for their many applications, requires a multitude of complex operations At present the final refining stage that produces the individual platinum group metals is carried out by selective precipitation from a solution of mixed platinum group metals, but this is inefficient as far as the degree of separation is concerned An improved process which makes use of liquid–liquid extraction

Extraction of Platinum Group Metals | IntechOpen

02102017· 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 chrome feed, alternative routes to smelting of PGM are being investigated

(PDF) Extraction of Platinum Group Metals

The refining process undergoes a series of dissolution and precipitation stages or total leaching techniques The solvent extraction process helps to separate the subsequent metals individually

An overview of Southern African PGM smelting

by Anglo Platinum, but Merensky and UG2 ores are processed by all the producers These ores are quite different from each other, and require different approaches to metallurgical processing For example, UG2 ore has a much lower content of nickel and copper sulphides, and contains much more chromite than Merensky ore The Platreef can

Platinum group Wikipedia

Process flow diagram for the separation of the platinum group metals The production of individual platinum group metals normally starts from residues of the production of other metals with a mixture of several of those metals Purification typically starts with the

PLASMA SMELTING OF UNCONVENTIONAL ORES AND MINE RESIDUES

Schematic process flow diagram for a typical DC plasma smelting plant The plasma furnace consists of a refractory lined steel vessel, which is water cooled in the roof and upper shell areas, and with either a graphite electrode or a water cooled plasma torch as the plasma device,

OUTOTEC SMELTING SOLUTIONS FOR THE PGM INDUSTRY

The flow sheet of the process is presented in Figure 1 Figure 1Flow diagram of the Direct Outotec Nickel Flash Smelting Process The concentrate and flux are dried (typically by utilizing the steam produced by the process itself) before feeding to the flash smelting furnace This energy is saved in the furnace operations and also results in smaller offgas streams The concentrate is then fed

Process for extraction of platinum group metals from

FIG 1 is a schematic flowsheet of the overall process of the present invention wherein platinum group metals and chromite are recovered from chromite bearing ore

Separating the Platinum Group Metals by Liquid–Liquid

To extract the platinum group metals from the ore, and to refine them to the very high purity required for their many applications, requires a multitude of complex operations At present the final refining stage that produces the individual platinum group metals is carried out by selective precipitation from a solution of mixed platinum group metals, but this is inefficient as far as the degree of separation is concerned An improved process which makes use of liquid–liquid extraction

How is platinum extracted from its ore SlideShare

19092014· 1 How is platinum extracted from its Ore? An ore is a naturally occurring mineral from which a pure metal can be extracted For Platinum, the two chief minerals are sperrylite or platinum arsenide (PtAs2) and cooperate or platinum sulfide (Pts) 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

(PDF) " PLATINUM EXTRACTION AND PURIFICATION,

Platinum (Pt)Platinum (Pt) is a transition metal in Group 10 (VIIIB) of the periodic Platinum FactsThe annual supply of platinum is only about 130 tonswhich is equivalent to only 6% (by weight) of the total Western World's annual mine production of gold and less than one percent of silver's yearly mine productionApproximately 10 tons of ore must be mined to produce one pure ounce of the "socalled white gold'' Total extraction process takes six long months All the platinum

Extracting platinum metals Chemical Engineering |

He said: “We found that if we could recover economic levels of platinum metal using heap leaching, then we were able to recover it from solution” Platinumgroup 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

Solvent Extraction in Platinum Group Metal Processing

All solvent extraction processes are based upon the chloro complexes of the platinum, as chloride is the only effective medium by which the platinum can be brought into solution [7] It has been

The extractive metallurgy of south africa’s platinum

The extraction technology for platinumgroup metals (PGMs) has changed dramatically in the last 80 years, and the changes are likely to continue for years to come This article will review advances in PGM extraction, including developments in semiautogenous and fully autogenous milling; flotation equipment applications for treating highchrome ores; increases in power densities for future

Platinum Beneficiation Multotec | Mineral Processing

ROM ore is fed to a sizing screen after being fed past an over belt magnet This material is conveyed upfront in the beneficiation circuit to a desliming screen after crushing, via a hammer belt sampler Gravity separation using spirals is used to extract chromite byproducts

Kell Process

The Kell Process has been developed for extraction of platinum group metals (PGM), gold, silver and base metals from PGM sulfide flotation concentrates without smelting The hydrometallurgical process has been successfully demonstrated on several different PGM and polymetallic concentrates, including those from the UG2, Merensky and Platreef in South Africa, Great Dyke in Zimbabwe and several

OUTOTEC SMELTING SOLUTIONS FOR THE PGM INDUSTRY

Platinum 2012 240 Flow sheet and chemistry A general flow sheet incorporating an Ausmelt furnace to smelt and convert nickel sulphide concentrate is shown in Figure 3 Figure 3Outotec Ausmelt Process for nickel/PGM smelting During smelting, nickel sulphide concentrates are fed into the Ausmelt Smelting furnace along with