how to extract gold from copper concentrate

Smelting and Part 2 Electroplating copper

 · Smelting and Part 2 Electroplating copper to recover gold and silver Gold extraction with BORAX for small scale miners Gold Recovery via Copper Electrolysis

Copper extraction Wikipedia

Copper extraction refers to the methods used to obtain copper from its ores The conversion of copper consists of a series of physical and electrochemical processes Methods have evolved and vary with country depending on the ore source local environmental regulations and other factors

Method to extract gold from telluride ores and concentrates

SUBSTANCE invention relates to the field of metallurgy of non ferrous and noble metals in particular to the method to extract gold from telluride ores and concentrates Initial raw materials are treated with a solution containing 1 10 g l of sodium sulphite 0 1 1 mg l of dissolved oxygen at pH 10 11

Case Study Flowsheets Copper–Gold Concentrate Treatment

Lower Grade Copper–Gold Concentrates Gold is frequently associated with copper concentrates The gold extraction from the washed residue was reported in two tests at 82 1 and 84 1 Silver extraction was 21 and 21 8 for the two tests due to presence of silver jarosite in

Gold extraction Wikipedia

To extract precious metals from gold copper ores and concentrates the presence of copper minerals has detrimental effects on gold extraction unless high

How to Extract Gold From Electronics 11 Steps with

How to Extract Gold From Electronics In this Instructable I will show you how to extract gold from computers using products most people have lying around in their homes The way I extract the gold is relatively straight forward and pretty easy but the chemicals used are very danger

MINING TO SMELTING GOLD COPPER CONCENTRATES IN

MINING TO SMELTING GOLD COPPER CONCENTRATES IN DETAIL INTRODUCTION Rocks are mined and then trucked to the process plant Acacia operates three gold mines in Tanzania Bulyanhulu Gold Mine Buzwagi Gold Mine and North Mara Gold Mine

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

Gold extraction Wikipedia

Gold extraction refers to the processes required to extract gold from its ores This may require a combination of comminution mineral processing hydrometallurgical and pyrometallurgical processes to be performed on the ore Gold mining from alluvium ores was once achieved by techniques associated with placer mining such as simple gold panning and sluicing resulting in direct recovery of

PDF Recovering gold from copper concentrate via the

Gold is leached at potentials 600 mV vs Ag AgCl and recovered from the solution by precipitating it on activated carbon or copper concentrate Hyvärinen et al 2004 Haavanlammi et al 2007b

Extracting Gold HowStuffWorks

Removing the gold bearing rock from the ground is just the first step To isolate pure gold mining companies use a complex extraction process The first step in this process is breaking down large chunks of rock into smaller pieces At a mill large machines known as crushers reduce the ore to pieces no larger than road gravel

How I can separate gold from copper Quora

 · My answer is to getting the gold free of copper and it works for any alloy 1 Raise the surface area volume Beat it until it is as thin as possible or crush it and do your best to make dust tiny fragments 2 Put the whole of the sample into a

Eliminating Copper from Gold Ore

When reviewing Methods of Eliminating Copper from Gold Ores we see that several methods have been suggested to eliminate copper from ores prior to cyanidation Preliminary extraction of the copper with sulphuric or sulphurous acids may be applicable to ores containing oxidized copper minerals such as malachite azurite and chrysocolla but these acids have but little effect on sulphide copper

Recovering gold from copper concentrate via the

HydroCopper™ technology comprises a chloride leaching method for copper sulfide concentrates and copper production up to semi products As compared with the commonly used sulfate solutions brine solutions offer aggressiveness and stability of the copper I ion and consequently a lower energy consumption in leaching

Gold and copper leaching from gold copper ores and

To extract precious metals from gold copper ores and concentrates the presence of copper minerals has detrimental effects on gold extraction unless high

Harvesting Gold With Mercury Process YouTube

 · Harvesting Gold from Concentrates Cleaning and Retorting Mercury Harvesting Gold With Mercury Process How to extract and refine gold from old computer parts Duration 38 36

How to Process Copper Lead Zinc Ore with Gold and Silver

The two concentrates are thickened using Spiral Rake Thickeners The thickened concentrates thickener underflows are metered from the thickeners using Adjustable Stroke Diaphragm Pumps which feed the two Disc Filters The lead copper concentrate also contains the major part of the gold and silver values present in the ore

Gold Extraction From Copper silver ore

 · Extraction of gold from ore revolves around smelting not refining I suggest joining the mining and prospecting forums to learn smelting or leaching techniques Once you have made a good product from ore then you can refine it to a pure metal

Extracting gold from copper

 · Extracting gold from copper 2006 Q My name is Tommy I just got a job at a train yard we move a lot of copper concentrate through our yard which inevitably spills here and there Someone at work told me that the concentrate a granular substance is copper that has just been taken from the mine and has yet to be refined

Gold and copper leaching from gold copper ores and

This research introduces a leaching approach to extract gold silver and copper from gold copper ores and concentrates using a synergistic lixiviant leaching process using glycine in the presence of low concentrations of cyanide The effects of glycine and cyanide concentrations on gold silver and copper leaching kinetics and recovery were

EXTRACTION OF GOLD SILVER AND COPPER FROM THE

process of those concentrate all gold and silver are practically in the blister copper which is cast into anodes Those copper anodes are electrorefined in an electrolytic system where the electrolyte is an acid copper sulphate solution where a high purity electrolytic copper is produced 999 9 1000

How do you extract gold from copper ore Answers

 · At one time mercury WAS used to extract gold from gold ore The rock was crushed and washed over a copper sheet coated with mercury Gold forms an amalgam with mercury and some of the gold

How to Refine Gold With Nitric Acid Sciencing

Though gold is valuable the most common sources of gold are rarely pure Whether it is freshly mined gold ore or a refined gold used in jewelry contaminants and unwanted minerals are usually present Nitric acid can be used to refine gold but you must be careful during the process

PDF Precious metal content in copper concentrate and slag

During the extraction of copper Chalcopyrite is concentrated using the froth flotation process In the present work the precious metals like gold and silver content in concentrate and slag

Copper Concentrates Cargo Handbook the world s largest

Copper concentrate is the first commercial product of the copper production line and is composed of approximately equal parts of copper iron and sulfide Concentrates are the raw material for all copper smelters which by processing it obtain an impure form of metallic copper anode or blister copper which is later used to produce high purity