processes required to extract platinum

platinum mining, mining of platinum, platinum, platinum

Precious metals refining processes have developed considerably in recent years. The older or classical process involved first roasting the Platinum Group Metal(PGM) concentrate. This made the rhodium, iridium and ruthenium. The platinum, palladium and gold were then dissolved and separated by a series of subsequent precipitations. Get price

Copper Mining and Processing: Processing of Copper Ores

Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called cathodes, which will ultimately be made into products for everyday use.The most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and pyrometallurgy, respectively, due to the different Get price

Leaching and recovery of platinum group metals from UG

Existing processes for the recovery of platinum group metals (PGM) from UG-2 ores place stringent requirements with regard to chromite content (about 2.8 per cent) upon feed material to the plant. The conventional process sequence involves: smelting of a flotation concentrate to remove gangue material and to produce an iron-nickel-copper-PGM matte Get price

Freeze Drying / Lyophilization Information: Basic Principles

As shown below on the phase diagram for water, low pressures are required for sublimation to take place. Sublimation is a phase change and heat energy must be added to the frozen product for it to occur. Sublimation in the freeze drying process can be described simply as: FREEZE - The product is completely frozen, usually in a vial, flask or tray. Get price

How Is Platinum Extracted?

Aug 04, 2015Because 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. Get price

Platinum Mining in South Africa

However, the overall platinum mining process is labour and capital intensive taking half a year or more and 12 tons of ore to produce one troy ounce (31.135 g) of pure platinum. For up-to-the-minute reporting on platinum and other mining activities in South Africa, read more about a tailored subscription to Africa Mining IQ, the continent's Get price

The Silver Extraction Process

The Silver Extraction Process. The Silver Extraction Process. The ore used to extract silver was not a silver ore but Lead Sulphide (formula PbS), known as Galena or Galenite (named by the Roman Pliny) which contains 87% lead. of labour required to obtain the silver - from mining through to the furnace. Get price

Palladium : Extraction and refining

The steps that constitute the process are : leaching with sulphuric acid and nitric acid, removal of impurities, precipitation of palladium yellow salt (dichlorediamine-palladium(II)), reduction of this salt to metallic palladium and finally the smelting of this metal. Get price

How Are Precious Metals Recovered from Electronic Scrap

Aug 14, 2014For a bit of perspective, here is a brief rundown on the different processes that are typically used by precious metal refiners to extract gold, silver, platinum and palladium from electronic scrap, or E-Scrap, as it is called in the recycling business. Get price

how to process platinum ore

Dec 12, 2012How Is Platinum Mined – Life123 – Articles and Answers about Life . The first step in the mining process is getting the platinum ore out of the ground and into a refinery or processing plant. Two methods exist to extract platinum ore: More detailed Get price

NRC: Uranium Recovery (Extraction) Methods

Mar 29, 2018Uranium recovery involves one of the following extraction processes. In a conventional uranium mine and mill, uranium ore is extracted from the Earth, typically through deep underground shafts or shallow open pits. The ore is transported to a mill, where it is crushed and undergoes a chemical process to remove the uranium. Get price

processes required extract the mineral at platinum

processes required extract the mineral at platinum; processes required extract the mineral at platinum. Efficient Thickener. Efficient Thickener. Hydraulic Motor Driving Center Thickener. Hydraulic Motor Driving Center Thickener. Grid Type Ball Mill. Grid Type Ball Mill. Submerged Slurry Pump. Get price

Current Energy Requirements in the Copper Producing

Dec 20, 2013An analysis of energy usage in the production of refined cathode copper was made from mining ore to cathode copper. In mining copper ore the greatest energy consumers are ore hauling and blasting. Another important factor is the "recovery efficiency" of the metallurgical processes used to extract the copper. The mining and mineral concentrating energies are directly proportional to the Get price

Your Guide to Ethanol Extraction in Cannabis

To extract the solutes from the feed material, ethanol must fully saturate the flower or trim. For that reason, a significant volume of ethanol is needed to execute the process with an efficiency rate of more than 90 percent. While some automated machines have built-in processes to minimize the required ethanol volume, the best-case scenario is Get price

processes of extracting iron ore from lithospher

processes of how to extract platinum from the lithosphereprocesses of how to extract platinum from the lithosphere. 05/Aug/2014 machinery required for gold processingmachinery required to extraprocesses of extracting iron ore from lithospher Get price

Extraction and Refining of the Platinum Metals

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. Get price

How is rhodium extracted?

Overall, we know rhodium is a by-product of nickel/platinum and gets extracted from other metal ores. Also we know the process to extract rhodium is a complex process and a lot of attention /work is put into it, to make sure it is done right, so a valuable resources isn't wasted. Get price

Palladium : Extraction and refining

The steps that constitute the process are : leaching with sulphuric acid and nitric acid, removal of impurities, precipitation of palladium yellow salt (dichlorediamine-palladium(II)), reduction of this salt to metallic palladium and finally the smelting of this metal. Get price

Gold Recovery : 8 Steps (with Pictures)

Some people find it profitable to attempt to extract the gold from these scraps, then refine and sell it. This complicated process requires chemical expertise as well as access to various chemistry equipment. However, with the right knowledge, experience and tools, you can remove valuable gold from computer parts, other discarded electronics Get price

How Is Magnesium Metal Produced?

Nov 24, 2019Electrochemical processes are used to extract the metal from dolomite and magnesite ore. When dolomite is crushed, roasted and mixed with seawater in large tanks, magnesium hydroxide settles to the bottom. Heating, mixing in coke, and reacting with chlorine, then produces molten magnesium chloride. Get price

The Silver Extraction Process

The Silver Extraction Process. The Silver Extraction Process. The ore used to extract silver was not a silver ore but Lead Sulphide (formula PbS), known as Galena or Galenite (named by the Roman Pliny) which contains 87% lead. of labour required to obtain the silver - from mining through to the furnace. Get price

Uranium mining

Uranium mining is the process of extraction of uranium ore from the ground. The worldwide production of uranium in 2015 amounted to 60,496 tonnes. Kazakhstan, Canada, and Australia are the top three producers and together account for 70% of world uranium production. Other important uranium producing countries in excess of 1,000 tons per year are Niger, Russia, Namibia, Uzbekistan, China, the Get price

PLASMA SMELTING OF UNCONVENTIONAL ORES AND MINE

Process Plant Description In a typical DC plasma metals recovery plant (see Figure 1), the input material is conditioned as required, e.g. crushed, dried, concentrated, calcined, etc., and then blended with various additions, including fluxes (typically calcia and/or silica) to adjust the melting point and viscosity of the slag. In the case of Get price

Scientists Have Developed The Most Efficient Water

May 17, 2017And until now, oxygen reactions have often relied on electrocatalysts that use iridium, platinum, or ruthenium - 'noble' metals that are difficult and expensive to source. Experts say oxygen reactions have become a bottleneck to the whole process. Nickel, in contrast, is more abundant and so easier and cheaper to get. Get price

Mineral processing

In all of these processes, the most important considerations are the economics of the processes and this is dictated by the grade and recovery of the final product. To do this, the mineralogy of the ore needs to be considered as this dictates the amount of liberation required and the processes that can occur. Get price

Mining and Refining – Energy Efficiency

The bauxite refining process requires significantly higher energy, primarily in the form of heat and steam; natural gas, coal and oil are the main fuel sources and are combusted on site. The energy required by the Bayer Process is very much dependent on the quality of the raw material, with bhemitic or diasporic bauxites requiring higher Get price