how to retrieve platinum from rock ore refining


hydrometallurgical recovery/recycling of platinum by the

south africa is the world's largest producer of platinum which is mined in an area called the bushveld igneous complex. the pgm concentration is low in the range of 2–10 ppm (g/t) and generally associated with base metal sulfide minerals. pgms are recovered as a byproduct or co-product depending on their concentration in the ore.

gold & platinum recovery methods | sciencing

gold and platinum are among the world's most valuable substances. traded daily on major commodities exchanges their worth often approaches or exceeds $1000 an ounce. gold is an ancient staple of jewelry and ornament. platinum too is a perfect setting for diamonds and …

platinum refining & recovery of platinum scrap | arch

platinum refining & recovery of platinum scrap. arch enterprises provides platinum recovery services for industries throughout the united states. platinum refining can be a very difficult and complicated procedure as platinum is a difficult precious metal to recover.

123 precious metal - home

precious metal refiners we buy and refine all platinum gold silver and palladium scrap. we offer the highest prices and fast service. we are a full service refinery able to handle all types of scrap precious …

refining of gold bearing ores -

documented gold bearing telluride/oxide ores page 3 . jun 16 2013 183; there are some however that have green layers that follow its contour which identically follows the pattern described in the 1915 usgs report on the platinum/ palladium bearing ore loions being discovered in this region in which astronomical pm numbers were being reported (like 235 ounces au per ton).

gold in limestone - gold refining forum

jul 05 2019 0183; 32;i have had a limestone rock tested and there is gold in it.i wonder if you could help me about this matter? does aqua regia method work with gold ores with/in limestone? what is the best method of recovering/refining gold in limestones?if aqua regia method workswhat is the best method to precipitate the gold ?

how to recover platinum from catalytic converters…

how to recover platinum from catalytic converters. a discussion started in 2004 but continuing through 2018. 2004. q. hi i buy sell and repair computers. recently i started to save all my computer scrap to recover the …

palladium refining tutorial - goldnscrap goldnscrap 2015

palladium (pd) refining can be a daunting task similar to the other platinum group metals (pgm's) refining process. this is mainly due to their similar (but different) physical and chemical properties. separating palladium from base metals and especially from sister pgm's is rarely achieved completely in one refining cycle.

extraction and refining of the platinum metals

platinum metals rev. 1963 7 (41136-143 136 the earlier stages of the mining and recovery of the platinum metals from the rustenburg platinum mines have been reviewed in some detail in this journal (i) while the geology of the bushveld igneous complex and the platinum reefs-constituting

refining-recovery of goldsilver and platinum group metals

recovery of goldsilver and platinum group metals (it is best to recover platinum group metals in a cls electrolitic tank) the #1 rule in refining gold is to concentrate the gold away from all other base metals prior to using acid or aqua-regia systems.

refining of palladium and making its salt

refining of palladium and making its salt. a discussion started in 2003 but continuing through 2019. 2003. q. dear sir i recover palladium from dragouts by electrolytic method as a result this palladium contains traces of nickel copper and iron. kindly suggest how to refine this palladium and convert to "di nitro di amine palladium" salt.

how to recover platinum from catalytic converters: 5 easy tips

extracting platinum from catalytic converters. for those who seek to have a piece of this special metal look no further than your ccs. there are several methods for how to recover platinum from catalytic converters and other metals too. but in most cases the assistance of …

how can i extract platinum group metals from cu based rock?

how can i extract platinum group metals from cu based rock? imagine that i have a copper based ore which also consists platinum group metals. pt pd au ag are the elements in my cu based ore.

is this rock platinum palladium or rhodium?

platinum palladium or rhodium? a discussion started in 2007 but continuing through 2017. 2007. q. hi i need help with identifying a rock i have found. i'm no rock expert by any means just a weekend metal detector guy. i've found a sample that fits the description …

how to refine a gold smelt | sciencing

apr 24 2017 0183; 32;in nature gold nuggets are not pure gold. they are a combination of minerals known as ore. the metal can be removed from the ore in a process known as smelting in which the minerals are separated by melting point. smelt gold is more pure than the original ore product but can still contain impurities such as sliver copper and platinum.

platinum is produced in south africa by amplats impala

platinum mining on a large scale began around 1926 and before the 1920s were over no less than seven mining operations had started in south africa. the platinum ores were mostly processed by traditional milling and gravity-table concentration.

gold refining techniques | sciencing

apr 24 2017 0183; 32;gold refining or parting is used to separate gold from impurities and other metals such as silver. gold and silver which are often extracted from the same ores are chemically similar making them difficult to separate. before the advent of processes to separate silver and …

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how to retrieve platinum from rock ore refining