gold in copper slag

Experimental process analysis and mathematical modeling

 · Selective gold leaching from the three types of copper–gold slag (A B C) resulting as by-products in pyrometallurgical processing of non-ferrous raw materials (Transgold Baia Mare Romania) has been investigated. An oxidative pre-treatment (using HNO 3) is necessary to separate gold from accompanying elements and also for copper recovery

Challenges and opportunities in the recovery of gold from

which includes the recovery of copper and precious metals along with a waste gas and water utilization system.25 Further-more a new process has been introduced for the simultaneous extraction of precious metals from waste mobile phone PCBs and honeycomb-type autocatalysts by smelting with industrial-waste copper slag.

Copper Slag From Gold Ore Processing

Copper Slag From Gold Ore Processing Copper slag was characterized and processed the pyrometallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis carbothermal reduction at elevated temperature near 1440°c helped recover a majority of the metal values eg fe cu and mo into the ironrich alloy product which can be a feed

PHYSICOCHEMICAL CHARACTERIZATION OF COPPER

 · copper slag corresponds to 30–40 iron 35-40 silica less than 10 of alumina and calcium oxide and copper content is around 1 Cu similar to the ore mined. Cleaning of the primary slag is often economically justified and techniques including slow cooling and flotation or pyrometallurgical or

Gold recovery from flotation concentrate from gold mine

 · a copper slag. High temperature smelting with additives to dissolve Au from the gold concentrate into a molten copper was used in the research. Gold greatly dissolved at 1600°С under a CaO/SiO 2ratio of 1.25 suggesting the increase in the dissolution of gold into molten copper with decreasing viscosity of the molten slag-like concentrate at

Management of copper pyrometallurgical slags giving

 · higher absorption capacity than air-cooled copper slag. The granulated copper slag is made up of regularly shaped angular particles mostly between 4.75 and 0.075 mm3. Slags produced during pyrometallurgical processes have been traditionally considered as a waste3. In the case of copper extraction processes it has been estimated that for every

TACKLING IMPURITIES IN COPPER CONCENTRATES

 · Table 3Chemical Analysis of Mercury-Bearing Copper Concentrates Element Concentrate "A" Concentrate "B" Cu 26 20 Fe 26 27 S 28 38 As Sb 0.1 4.1 Zn 0.1 5.5 Hg ppm 200 430 The principal mineralogy of the two concentrates is shown in Table 4.

Recovery of Copper from Reverberatory Copper Slag and

 · Copper slag is 2a form of olivine a magnesium iron and silicate mineral with the formula (Mg Fe 2) 2 SiO 4. The production of nano silica from the dissolution of olivine is an economic option when compared with the traditional commercial method which requires high temperature vapourization of

gold from copper slagcharlyshop

copper slag from gold ore processing Lead and ZincDepartment of Energy essentially a co-product of zinc mining or a byproduct of copper and/or gold and Know More. gold from copper slag. Copper Fact Sheet Minerals Downunder Other important copper resources are at the Northparkes copper-gold Molten copper and slag fall to the hearth of the

COPPER DIVISION Horne SmelterCanadian Mining Journal

 · Slag from the reactor and the converters is sent to the concentrator to recover the copper. This concentrate is fed back into the reactor and the slag tails go to the tailings pond. The acid plant production is currently 525 000 tonnes sulphuric acid per year and comprises the largest gas-cleaning installation of any acid plant in the world.

PHYSICOCHEMICAL CHARACTERIZATION OF COPPER

 · copper gold nickel cobalt and PGM s 10 11 . 3. Non Ferrous slags 3.1 Physico chemical antecedents Figure 2 explains the behaviour of the FeO-Fe 2 O 3-SiO 2 ternary system which best represents acid slag associated to copper extraction. It is possible to appreciate a liquid region inside these components

THE EFFECT OE SLAG COMPOSITION ON COPPER LOSSES

 · 1. Copper Oxide in Slag Versus Oxygon Partial Pressure for 6 Silica-Saturated Iron Silicate Siege 2. Relation Between Copper in Slag end Activity of Copper 9 in the Alloy 3. Copper Solubility in Slag as a Function of Copper Oxide 11 Activity from Taylor end Joffea (22) 4 Effect of Temperature on the Solubility of Copper in 13

Characterization of Precious Metal Resources in Copper

Studies have been carried out on precious metal association on a typical Indian copper slag sample using SEM-EDS. The studies revealed the presence of platinum as well as gold reported here for the first time in the copper metal as well as different types of metallic sulphides phases of the copper slag. These phases are either entrapped in the silicate minerals or are present as free

When the Copper Slag Goes Gold

 · Copper mines had to maintain a level of copper purity to avoid a "slag" that would turn into gold. That slag was called "copper" and it was produced in very small quantities. In the mid-20th century the U.S. government began to regulate the quality and quantity of copper used to produce gold.

Characterization of Slags Produced During Gold Melting

 · As a global analysis of the foregoing it is estimated that despite the fact that slag production in gold industry is not as big compared with steel and copper industries these slags could be recycled provided the level of toxic elements in them mainly PbO 2 is eliminated by previously treating it through some metallurgic extraction process.

Copper Smelting Slag Recovery-metalcess

Copper Smelting Slag. Copper smelting slag is produced from copper pyrometallurgy (both smelting and converting stages) usually grading at 0.3-3 . The slag may also contains lead zinc minerals like galena sphalerite. Copper mainly dwells in the slag in the form of bornite chalcocite chalcopyrite and metallic copper.

Experimental process analysis and mathematical modeling

 · Selective gold leaching contained in copper - gold slag by wet chlorination.

Precious metal content in copper concentrate and slag

 · copper during the smelting or refining of copper ore is known as slag. In the present work the precious metals like gold and silver content in concentrate and slag are analyzed. Copper concentrate contains less than 2ppm of gold and less than 120ppm of silver. Slag contains less than 0.2ppm of gold and less than 2ppm of silver. The amount of

gold from copper slagcharlyshop

copper slag from gold ore processing Lead and ZincDepartment of Energy essentially a co-product of zinc mining or a byproduct of copper and/or gold and Know More. gold from copper slag. Copper Fact Sheet Minerals Downunder Other important copper resources are at the Northparkes copper-gold Molten copper and slag fall to the hearth of the

Precious metal content in copper concentrate and slag

 · copper during the smelting or refining of copper ore is known as slag. In the present work the precious metals like gold and silver content in concentrate and slag are analyzed. Copper concentrate contains less than 2ppm of gold and less than 120ppm of silver. Slag contains less than 0.2ppm of gold and less than 2ppm of silver. The amount of

Copper Slag From Gold Ore Processing

Copper Slag From Gold Ore Processing Copper slag was characterized and processed the pyrometallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis carbothermal reduction at elevated temperature near 1440°c helped recover a majority of the metal values eg fe cu and mo into the ironrich alloy product which can be a feed

Characterization of Precious Metal Resources in Copper

Studies have been carried out on precious metal association on a typical Indian copper slag sample using SEM-EDS. The studies revealed the presence of platinum as well as gold reported here for the first time in the copper metal as well as different types of metallic sulphides phases of the copper slag. These phases are either entrapped in the silicate minerals or are present as free

Gold recovery from flotation concentrate from gold mine

 · a copper slag. High temperature smelting with additives to dissolve Au from the gold concentrate into a molten copper was used in the research. Gold greatly dissolved at 1600°С under a CaO/SiO 2ratio of 1.25 suggesting the increase in the dissolution of gold into molten copper with decreasing viscosity of the molten slag-like concentrate at

Abstract The gold grade in oxygen bottom blowing smelting slag of a copper smelter is 0.11g/t and the gold loss in slag is more.Flotation dilution method is used to recover gold and silver from smelting slag. The recovery rate of gold and silver is 57.08 and 65.23

Management of copper pyrometallurgical slags giving

 · higher absorption capacity than air-cooled copper slag. The granulated copper slag is made up of regularly shaped angular particles mostly between 4.75 and 0.075 mm3. Slags produced during pyrometallurgical processes have been traditionally considered as a waste3. In the case of copper extraction processes it has been estimated that for every

When the Copper Slag Goes Gold

 · Copper mines had to maintain a level of copper purity to avoid a "slag" that would turn into gold. That slag was called "copper" and it was produced in very small quantities. In the mid-20th century the U.S. government began to regulate the quality and quantity of copper used to produce gold.

Recovery of Copper from Reverberatory Copper Slag and

 · Copper slag is 2a form of olivine a magnesium iron and silicate mineral with the formula (Mg Fe 2) 2 SiO 4. The production of nano silica from the dissolution of olivine is an economic option when compared with the traditional commercial method which requires high temperature vapourization of

Experimental process analysis and mathematical modeling

 · Selective gold leaching from the three types of copper–gold slag (A B C) resulting as by-products in pyrometallurgical processing of non-ferrous raw materials (Transgold Baia Mare Romania) has been investigated. An oxidative pre-treatment (using HNO 3) is necessary to separate gold from accompanying elements and also for copper recovery

A Poor Man s Method of Smelting Gold Sciencing

 · You can remove the most common metals found in gold ore (copper zinc and lead) using elements that bond with oxygen at lower temperatures than gold. This oxidation process will make copper oxide zinc oxide and lead oxide — all of which are less dense than pure gold and will float to the top of your crucible allowing the slag to be sloughed off.

Searchlight Has Found A Procedure For Extracting Gold From

 · The slag contains gold and iron but possibly also economically interesting quantities of silver copper and zinc. Trying to reprocess slag of a former mine has advantages.

Recovery of metal values from copper slag and reuse of

Copper slag was characterized and processed. The pyro-metallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis. Carbothermal reduction at elevated temperature (near 1440°C) helped recover a majority of the metal values (e.g. Fe Cu and Mo) into the iron-rich alloy product

Gold recovery from flotation concentrate from gold mine

 · a copper slag. High temperature smelting with additives to dissolve Au from the gold concentrate into a molten copper was used in the research. Gold greatly dissolved at 1600°С under a CaO/SiO 2ratio of 1.25 suggesting the increase in the dissolution of gold into molten copper with decreasing viscosity of the molten slag-like concentrate at

Sulphur Refining of GoldMineral Processing Metallurgy

 · Refining with Sulphur. A more speedy method of removing iron copper lead and base metals from bullion is to add sulphur to the molten metals. Although gold sulphides may be readily formed in the wet way they are decomposed into gold and sulphur by merely heating them to a temperature below 300 deg. C.

Characterization of Precious Metal Resources in Copper

 · Copper slag is a massive metallurgical solid waste generated from the transformation of copper ore concentrates into metallic copper by the smelters. Slag produced in copper smelters has some potential valuable metal contents such as gold platinum cobalt and nickel etc.

Gold Smelting Refining Process

 · The slag contains gold and silver and must be reprocessed in order to minimize the losses of precious metals. A very important element in the smelting process is the flux which is added to charge in order to remove base metals and other impurities from the Dore bar.

Photos of Natural Copper Ore Copper minerals Crystal

 · Native copper is often alloyed with gold silver lead and mercury. Copper is widely distributed in nature. The metal is easily oxidizable and also easily reduced. It therefore occurs both as native copper and in its numerous compounds. Native copper is commonly if not always of secondary origin either deposited from solution or formed by

A Study on the Effect of Copper Slag on Lime Stabilized

 · Fig.3. Copper Slag Copper slag is a by-product formed during the copper smelting process. The countermined copper slag has to be properly treated or washed to meet certain recycling criteria before it can be further used for other applications. The production of one ton Copper generates approximately 2-3 tons of Copper Slag.

gold from copper slagcharlyshop

copper slag from gold ore processing Lead and ZincDepartment of Energy essentially a co-product of zinc mining or a byproduct of copper and/or gold and Know More. gold from copper slag. Copper Fact Sheet Minerals Downunder Other important copper resources are at the Northparkes copper-gold Molten copper and slag fall to the hearth of the

Copper Slag From Gold Ore Processing

Copper Slag From Gold Ore Processing. Copper Gold ore processing Flow chart. 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

Abstract The gold grade in oxygen bottom blowing smelting slag of a copper smelter is 0.11g/t and the gold loss in slag is more.Flotation dilution method is used to recover gold and silver from smelting slag. The recovery rate of gold and silver is 57.08 and 65.23

Recovery of Copper from Reverberatory Copper Slag and

 · possible option. The copper slag contains a high content of silica and iron. The solution final pH is the most important factor affecting the removal of iron and silica from the leach solution and the overall metal recovery. Fe removal from the leaching of copper slag is done by the formation of

When the Copper Slag Goes Gold

 · Copper mines had to maintain a level of copper purity to avoid a "slag" that would turn into gold. That slag was called "copper" and it was produced in very small quantities. In the mid-20th century the U.S. government began to regulate the quality and quantity of copper used to produce gold.