process equipment design and drafting

Jaw Crusher

As a classic primary crusher with stable performances, Jaw Crusher is widely used to crush metallic and non-metallic ores as well as building aggregates or to make artificial sand.

Input Size: 0-1020mm
Capacity: 45-800TPH

Materials:
Granite, marble, basalt, limestone, quartz, pebble, copper ore, iron ore

Application:
Jaw crusher is widely used in various materials processing of mining &construction industries, such as it is suit for crushing granite, marble, basalt, limestone, quartz, cobble, iron ore, copper ore, and some other mineral &rocks.

Features:
1. Simple structure, easy maintenance;
2. Stable performance, high capacity;
3. Even final particles and high crushing ratio;
4. Adopt advanced manufacturing technique and high-end materials;

Technical Specs

extracting gold and copper extracted

EXTRACTION OF GOLD, SILVER AND COPPER FROM THE

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 miningsuch as simple gold panning and sluicing, resulting in direct recovery of small gold nuggets and flakes. Placer m

Extract copper and gold from low-grade ores FLSmidth

Extract copper and gold from low-grade ores more efficiently Ore deposits are becoming increasingly complex to treat and grades continue to deteriorate in known reserves. For instance, approximately 15-20 per cent of the world’s current gold production involves refractory ores that must be pre-treated prior to downstream recovery by cyanidation.

Eliminating Copper from Gold Ore

Oct 11, 2015 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

Recovery of Gold, Silver, Palladium, and Copper from Waste

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. As in all mining operations, the ore must usually be beneficiated (concentrated). The processing techniques depend on the nature of the ore. If the ore is primarily sulfide copper minerals (such as chalcopyrite), th

The Method of Extracting Copper and Gold by Bacterial

The Method of Extracting Copper and Gold by Bacterial Leaching The methods of extracting gold and copper have significant differences and therefore require separate attention. Prior to leaching occurring, either a tailings pile must be built up upon a base of impermeable rock or a series of holes drilled into the ore, to provide access for [IMAGE]

Extract copper and gold from low-grade ores FLSmidth

Extract copper and gold from low-grade ores more efficiently Ore deposits are becoming increasingly complex to treat and grades continue to deteriorate in known reserves. For instance, approximately 15-20 per cent of the world’s current gold production involves refractory ores that must be pre-treated prior to downstream recovery by cyanidation.

CN104294057A Method for extracting gold from copper

The method adopting hypochlorite to remove copper from the ammonia-cyanide leached ore pulp effectively controls the copper/gold ratio in the precious liquid, allows high copper carbon to be...

(PDF) Recovering gold from copper concentrate via the

Copper (II) ions and oxygen are used as oxidants. Iron reports to the leaching residue as oxide and sulfur as elemental sulfur. Gold is dissolved and recovered in the third stage of the...

No need to dig deep: New tool maximizes extraction of gold

Jan 14, 2020 Chiaradia observed that less than 1 percent of the gold is captured in the ores in the deep copper-rich deposits. On the other hand, in deposits located at a depth of up to 3 km, the rate climbs to...

US5667557A Hydrometallurgical extraction and recovery of

A hydrometallurgical process for treating copper feed materials containing gold and/or silver by simultaneously leaching copper, gold and/or silver into an aqueous cyanide solution, recovering...

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...

How to Extract Gold From Electronics : 11 Steps (with

I have scrap gold chains, gold ring, many old cell phones, including sim cards, some computer motherboards I like to process to extract the gold & silver. But I dont have the space, means or time to do this myself. Question: is there any place who will extract it and melt gold/ silver extracted into bars for a few. Would it b worth time. Thanks

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.

Extraction of Gold

The residue is extracted with 0.35 per cent, solution of potassium cyanide, then with 0.08 per cent, solution, and ultimately with water. The extract is transferred to tanks, and the gold precipitated as a powder by addition of zinc. It is then washed out from the bottom of the tanks, dried, and freed from zinc by roasting and fusing.

Mining for Gold and Copper using Biohydrometallurgy

Also when using the traditional method when extracting copper, more copper can be obtained from the ore. The bacterial process of extracting gold is used as a primary process (secondary process is the traditional method) because the research and technology has been developed fast. More economic because more gold is produced so more money to be

Eliminating Copper from Gold Ore

Oct 11, 2015 The Hunt method-calls for the direct treatment of the ore with a solution of potassium cyanide to which ammonium hydroxide has been added. The gold is thus extracted together with some copper, and the metals are recovered by electrolytic precipitation, the gold, silver and copper falling to the bottom of the vats as a sludge.

The Extraction of Gold from E-waste by Hydrometallurgy

Wong, et al used hydrometallurgy to extract valuable metals like gold, silver, selenium, tellurium from copper anode sludge. In this method, anode sludge without copper is used to extract silver, selenium, and gold. First, anode sludge without copper is leached into a

Extracting iron and copper Extracting and using metals

Extracting iron and copper Unreactive. metals. such as gold are found in the Earth's crust. as the uncombined Extracting iron. Iron is extracted from iron ore in a large container called a

The Method of Extracting Copper and Gold by Bacterial

The Method of Extracting Copper and Gold by Bacterial Leaching The methods of extracting gold and copper have significant differences and therefore require separate attention. Prior to leaching occurring, either a tailings pile must be built up upon a base of impermeable rock or a series of holes drilled into the ore, to provide access for [IMAGE]

CN104294057A Method for extracting gold from copper

The method adopting hypochlorite to remove copper from the ammonia-cyanide leached ore pulp effectively controls the copper/gold ratio in the precious liquid, allows high copper carbon to be...

Mining for Gold and Copper using Biohydrometallurgy

Also when using the traditional method when extracting copper, more copper can be obtained from the ore. The bacterial process of extracting gold is used as a primary process (secondary process is the traditional method) because the research and technology has been developed fast. More economic because more gold is produced so more money to be

(PDF) Recovering gold from copper concentrate via the

Copper (II) ions and oxygen are used as oxidants. Iron reports to the leaching residue as oxide and sulfur as elemental sulfur. Gold is dissolved and recovered in the third stage of the...

No need to dig deep: New tool maximizes extraction of gold

Jan 14, 2020 Chiaradia observed that less than 1 percent of the gold is captured in the ores in the deep copper-rich deposits. On the other hand, in deposits located at a depth of up to 3 km, the rate climbs to...

Gold and copper leaching from gold-copper ores and

May 01, 2017 To extract precious metals from gold-copper ores and concentrates, the presence of copper minerals has detrimental effects on gold extraction unless high cyanide should be added to keep CN:Cu molar ratio above 4. For every 1% of reactive copper present about 30 kg/t NaCN was reported to be consumed (Muir, 2011).

US5667557A Hydrometallurgical extraction and recovery of

A hydrometallurgical process for treating copper feed materials containing gold and/or silver by simultaneously leaching copper, gold and/or silver into an aqueous cyanide solution, recovering...

How I can separate gold from copper? Quora

You need to use 50% Nitric Acid.The acid will dissolve the Copper but not the Gold. Then filter off the Copper Nitrate and you are left with a sludge of Gold. Melt the Gold sludge in a furnace and you can cast it into Gold metal ingots.

The Extraction of Gold from E-waste by Hydrometallurgy

Wong, et al used hydrometallurgy to extract valuable metals like gold, silver, selenium, tellurium from copper anode sludge. In this method, anode sludge without copper is used to extract silver, selenium, and gold. First, anode sludge without copper is leached into a

Gold Recovery : 8 Steps (with Pictures) Instructables

Cupellation is a process where ores or alloyed metals are treated under high temperatures and controlled operations to separate noble metals, like gold and silver, from base metals like led, copper, zinc, and others present in the ore or alloyed metal.

Amino acids key to new gold leaching process

Oct 24, 2014 Curtin University scientists have developed a gold and copper extraction process using an amino acid–hydrogen peroxide system, which could provide an environmentally friendly and cheaper...

How to Take the Impurities out of Gold LEAFtv

Add some copper and silver to the crucible before melting the gold in the furnace. Remove the crucible and allow the metallic mixture to cool and harden. Pour nitric acid over the metallic mixture. The acid will dissolve the silver and any base metals, and pure gold will remain.

copper extraction and purification chemguide

Extracting copper from other ores. Copper can be extracted from non-sulphide ores by a different process involving three separate stages: Reaction of the ore (over quite a long time and on a huge scale) with a dilute acid such as dilute sulphuric acid to produce a very dilute copper(II) sulphate solution.

Development of Sodium Cyanide Substitutes for Gold Extraction

Mar 29, 2019 Gold and silver of good quality were successfully obtained, and copper and lead in the gold mud were successfully recovered. However, the limitations of this gold extraction method are very large, and the volatilization of chlorine gas will cause great harm to the environment. Therefore, although the chlorinated liquid leaching agent has been

Write A Comment