separation and recovery of pgm from gold slag

graphite ore recovery of pgms

Recovery of Platinum and Palladium Ions from Aqueous recovery and separation of PGMs from primary and secondary sources are considered a strategic solution to the high demand of these metals for industrial applications and their increasing scarcity Due to their importance and high price it is essential to develop Get Price

Antimony Arsenic Gold Mercury and Tin Separation

Antimony Arsenic Gold Mercury and Tin Separation Recovery and Fixation by Alkaline Sulfide Hydrometallurgy Author Creator Society for Mining Metallurgy and Exploration U S Antimony Arsenic Gold Mercury and Tin Separation Recovery and Fixation by Alkaline Sulfide Hydrometallurgy Extraction of gold from antimony rich slag

Precious Metal Mining Analysis Solutions Malvern

Mineral exploration of gold silver and PGM metal ores becomes more challenging every year Mines increasingly facing lower ore grades and complex mineralogy forcing mills and concentrators to process more material Mine planning separation and concentration are directly related to mineralogy metallurgy and variability of the ore body

Leaching and recovery of platinum group metals from UG

26 ensp 0183 ensp Leaching and recovery of platinum group metals from UG 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

Processing smelting and refining gold World Gold

7 ensp 0183 ensp The two methods most commonly employed to derive pure gold are the Miller process and the Wohlwill process The Miller process uses gaseous chlorine to extract impurities when gold is at melting point impurities separate into a layer on the surface of the molten purified gold

Metallurgy amp Mineral Processing

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24 ensp 0183 ensp and gold in a cost effective manner An area of research that has the potential of improving PGM and gold analysis is the use of co collectors The aim of the project was to determine if both Iridium and Ruthenium are useful co collectors for precious metals e g Platinum palladium rhodium and gold in ores and concentrate material

Gold Extraction amp Recovery Processes

Extraction and separation of platinum palladium and rhodium using Cyanex 923 and their recovery from real samples Article in Hydrometallurgy s 134–135 11–18 183 March 2013 with 187 Reads

Recover Precious Metals From Spent Catalysts

7 ensp 0183 ensp Precious metal bearing catalysts particularly those containing platinum group metals PGMs such as platinum palladium rhodium and ruthenium play a vital role in the hydrocarbon processing industry for speeding chemical reactions and for end of pipe emission control Fig 1

Process for the extraction of platinum group metals

11 ensp 0183 ensp A process for separating platinum group metals PGM s from various feedstock materials is disclosed wherein a plasma arc flame is employed to produce a superheated puddle on the surface of a slag layer to accelerate the association of platinum group metals with a collector material and formation of a recoverable layer of platinum group metals and collector material

esas electrostatic gold recovery

How To Make An Electrostatic Gold soby How To Make An Electrostatic Gold Electrostatic Induction Wikipedia Dry Electrostatic Air Separation RMC Rare Metals Corporation he Dry Electrostatic Air Separator ESAS has proven to be as efficient as any in regards to the recovery of

Incinerator Bottom Ash Metal Recovery by Sepro

24 ensp 0183 ensp Modern incinerator bottom ash processing facilities are targeting the recovery of metals from coarse 2 mm or coarser fractions with ferrous aluminum copper stainless steel and zinc being the main contributors Valuable metals in the fine particle sizes 0 – 2 mm were previously considered unrecoverable Sepro s pioneering Fine Slag Treatment Plant FSTP module can now add a

Extraction of gold from platinum group metal PGM

Extraction of gold from platinum group metal PGM ores Article in Developments in Mineral Processing 15 183 December 2005 with 439 Reads How we measure reads

Recovery of base metals and PGMs in a DC alloy smelting

6 ensp 0183 ensp Recovery of base metals and PGMs in a DC alloy smelting furnace Rodney T Jones Isabel J Geldenhuys amp Quinn G Reynolds Mintek Pyrometallurgy Division Mintek Private Bag X3015 Randburg 2125 South Africa rtjones global co za Mintek 75 – A celebration of technology 5 June 2009 Randburg South Africa Abstract


7 ensp 0183 ensp RECOVERY OF VALUABLE BASE METALS FROM SECONDARY MATERIALS USING DC PLASMA SMELTING T P Johnson1 1Tetronics International recovery of PM PGM from printed circuit boards Johnson Deegan amp Wise 2012 surface of a molten bath of slag which floats on a layer of liquid metal in the bottom of the plasma furnace


At least one of rhodium iridium and ruthenium is separated from at least one of gold platinum and palladium in a solution of such metals Separation if effected by a evaporating the solution to dryness b rendering any rhodium iridium and ruthenium in thus obtained residue aqua regia insoluble by heating the residue at a temperature within the range of about 575 to 625 C and c

Sample Digestion Methods for the Determination of

11 ensp 0183 ensp gold as collectors for the isolation of PGM from rocks ores and minerals have been proposed 26–28 Combining the technique with GFAAS allows the determination of gold palladium platinum and rhodium26 and of platinum palladium rhodium and iridium27 down to

The Chemistry of the Extraction of Gold

THE CHEMISTRY OF THE EXTRACTION OF GOLD 176 I I 15 92 Si SiIIHowever the production of oxygen ions effectively increases the activity ofthe oxides in the slag and reduces the acidity of the slag Poor calcination which does not convert the base metals completelyto their oxides usually requires the addition of an oxidant to the slag


24 ensp 0183 ensp For example in South Africa PGM bearing ores generally have a low PGM content of between 2 and 6 grams per tonne and it will typically take up to six months and between 10 and 40 tonnes of ore to produce one ounce 31 1035g of platinum 2 Most of the PGM mines in South Africa operate at a depth below 500 metres and up to 2 kilometres

fine chrome recovery in tailings plant

fine chrome recovery in tailings plant 69 48wt below 45 μm size containing separation WHIMS and flotation in order to recover the chromite Read More PGM Ore Processing at Impala s UG Concentrator SGS Hernic Tailings Project for the fine chrome recovery section and the PGM recovery plant to be provided by Jubilee

Effect of pH on the Recovery and Grade of Base Metal

10 ensp 0183 ensp The higher PGM recovery was also accompanied by higher chrome content as a result of their similar chemical properties Keywords Metal sulphides gangue phases recoveries Platinum Group Metals Bushveld complex I INTRODUCTION HIS article concentrates on the effect of pH on the recovery and grade of PGMs from UG2 ore by flotation


6 ensp 0183 ensp be used Another significant mechanism for separating the PGMs from the slag is the collection of PGM particles by collector metal drops6 High turbulence and increased area of the metal slag interface lead to an increased recovery of the precious metals from the slag The recovery of very small particles in particular is improved by this

mineral processing separation and recovery of pgm

30 Gravity separation is one of the oldest technique in mineral processing but has seen a decline in its use since the introduction of methods like flotation classification magnetic separation and leaching Gravity separation dates back to at least 3000 BC when Egyptians used the technique for separation of gold

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