How to Extract Gold From Electronics : 11 Steps (with

hi and nice post of the electronic gold ) im bin doing for some time and have alot, what use are hydrogen peroxide and hydrochloric acid,50%50% great mix ) but wonder how pure are the gold fingers after that, do you know that, i have plan to grind all to powrder them pan it " im an gold digger as well" then put it in acid bath regards johnny

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Urban Mining for Gold. Processing Circuit boards with a

We are constantly improving our board grinder system for the recover of precious and base metals from old PCB's and electronics. We are getting very high recoveries of all the precious metals and

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Continuous gravity concentration in Gold grinding circuits

Falcon in the grinding circuit. By recovering 15% of the feed mass on a small Falcon C1000 (30t/h) and treating only 12% of the cyclone underflow, one can easily recover over 80% of the gold by using continuous Falcon gravity units in the grinding circuit. Typically a batch type concentrator would be treating greater than 20% of the cyclone

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How to Refine Gold From Electronic Scrap

Cornstarch Replaces Cyanide In Gold Extraction Popular. May 14 2013 · Cornstarch Replaces Cyanide In Clean New Gold Extraction Method Bound up in consumer electronics jewelry and the ores that it comes from gold is difficult to extract and most modern processes do it with a highly toxic combination of cyanide salts The cyanide leaches the gold out but the cyanide can seep into the ground

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Grinding Electrnics For Gold deselco.de

Grinding Electrnics For Gold. We are a largescale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment, milling equipment, mineral processing equipment and building materials equipment.

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A better way to mine gold from old electronics

The whole reason we use Gold in electronics is because it doesn't react with many things. This includes acids. You can use Aqua Regia (a mixture of two acids) to dissolve gold

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