chemistry behind platinium extyraction and refining


extraction and refining of the platinum metals

extraction and refining of the platinum metals a complex cycle of smelting electrolytic and chemical operations deals with the succeeding stages of extraction and refining carried out in the smelting works basic process for extraction of the platinum metals has remained essentially the same.

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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

how to refine and melt platinum - tutorial part 1 - youtube

platinum refining tutorial - part 1. a complete process is demonstrated: - cleaning & dissolution with aqua regia. - precipitation .

about platinum - gold and silver mines

extraction and refining the separation chemistry of the platinum-group metals is among the most complex and challenging of metal separations. a brief description of procedures for isolating the platinum-group metals is set forth below followed by descriptions of assaying and scrap-refining techniques.

refining of platinum group metals / priciple flow sheet

most sophisticated industrial inorganic chemistry: refining of platinum group metals ore concentrate. pgm ore concentrate the figure below shows a typical assay of a south african platinum group metals ore concentrate obtained as the filter cake after sulfuric acid leach (according to the sherrit process) of a merensky reef converter matte.

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how is platinum extracted

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.

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the properties and applications of 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'. during flotation air is pumped through the ore-water slurry. platinum particles chemically attach on to the oxygen and rise to the surface in a froth that is skimmed off for further refining.

platinum refining process

platinum refining process is described below. platinum refineries provide an economical and environmentally friendly precious metal recovery service. we buy platinum scrap and separate the pure platinum from other precious metals and waste materials. platinum scrap such as platinum coins palladium pd and platinum wire is weighed and then smelted.

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chemistry behind platinium extyraction and refining