Copper Sulfide Process

UNDERSTANDING CORROSIVE SULFUR PROBLEMS IN

The copper strip on the right is at a later stage in which the copper sulfide material starts to flake off the copper The shiny under surfaces of the flakes is copper that has come off the strip with the copper sulfide FIGURE 4 is a scanning electron micrograph (SEM) of a copper surface that is starting to be attacked by corrosive sulfur

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Sulfide Ore Processing TCB Metals and Refining

Sulfide Ore Processing Home → Sulfide Ore Processing Processing Sulfide Ores Historically miners have shipped their sulfide concentrates to overseas smelters that have little to no regulations or emissions controls there are additional benefits of partnering with TCB to process your sulfide ores

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Ore deposits formed by oxidation and supergene

Below the water table where sulfide minerals remain unoxidized any iron sulfide grains present will react with the copper sulfate solution putting iron into solution and precipitating a copper mineral The net result is that copper is transferred from the oxidizing upper portion of the deposit to that portion at and just below the water table

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Copper(I) sulfide anhydrous powder 99 99% trace metals

Copper(I) sulfide anhydrous powder 99 99% trace metals basis CAS Number 22205-45-4 Empirical Formula (Hill Notation) Cu 2 S Molecular Weight 159 16 EC Number 244-842-9 MDL number MFCD00016062 PubChem Substance ID 24873523

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sulfide

sulfides containing nickel copper and iron The most important nickel mineral is pentlandite (Ni Fe) 9 S 8 followed by pyrrhotite usually ranging from FeS to Fe 7 S 8 in which some of the iron may be replaced by nickel Chalcopyrite CuFeS 2 is the dominant copper mineral in these ores

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Copper Sulfide Mining

Many of the currently operating copper sulfide mines are located in the arid southwest where precipitation is limited and communication between surface and groundwater resources is limited More significant impacts could be expected at mines in wetter climates with abundant surface water and shallow groundwater

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Copper sulfides by chemical spray pyrolysis process

Request PDF on ResearchGate | Copper sulfides by chemical spray pyrolysis process | The chemistry of formation of copper sulfide and copper indium disulfide films by the chemical spray pyrolysis process has been investigated It was established that the formation of copper sulfide films by the spray process of water solutions of CuCl2 and SC

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Role of Copper Sulfide Seeds in the Growth Process of

Copper and indium sources were added together in the presence of oleylamine and oleic acid Changing the amount of oleic acid present in the reaction solution influenced the reactivity of the monomers and consequently the size of copper sulfide seeds formed in situ after the injection of tert-dodecanethiol serving as the source of sulfur

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Process for leaching copper from copper sulfide using

2-1-2001Disclosed is a process for leaching copper from copper sulfide using bacteria which ensures that the rate of leaching of copper increases to reduce the leaching time period and that the rate of leaching of primary copper sulfide contained in ores is increased

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Iron Sulfide

Iron Sulfide Iron sulfide Pyrophoric iron sulfide is formed by the action of corrosive sulfur compounds on iron and steel in process facilities particularly in vessels storage tanks This division of copper into species depends not only on temperature but also on the total activity of copper in the solution

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Introduction to Mineral Processing

Copper uranium vanadium and other metals are produced by solvent extraction The figure below is a simplified schematic of a typical copper solvent extraction process Oxide copper ore low-grade copper sulfide overburden and other copper-containing materials are stacked into a heap

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Copper Extraction from Sulfide Ores

HYDROMETALLURGY OF COPPER This process is used for the extraction of copper from low grade sulfide ore In this process the crushed and ground ore in bulk (about 100 000 tons) is exposed to air and water in big tanks The air in the presence of water gradually oxidizes copper and iron sulphides to

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Copper leaching from primary sulfides Options for

Copper leaching from primary sulfides Options for biological and chemical extraction of copper Author links open overlay panel David Dreisinger Show more The Mt Gordon Copper Process was developed to treat chalcocite ores from the historic Gunpowder deposit in

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Copper(II) sulfate

For laboratory use copper sulfate is usually purchased Copper sulfate can also be produced by slowly leaching low grade copper ore in air bacteria may be used to hasten the process Commercial copper sulfate is usually about 98% pure copper sulfate and may contain traces of water

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GCSE CHEMISTRY

Extraction of Copper Copper is sometimes found as native metal Copper ores include copper(II) oxide and copper(II) sulfide Copper(II) oxide can be reduced by reaction with carbon Some copper ores may contain only small amounts of copper These are called low grade ores and have less than 1% copper but they are still used because copper is

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Public Lab Hydrogen Sulfide Copper Pipe Testing

10-10-2019This method developed by Lionel Milberger is a low-cost accessible way to detect if hydrogen sulfide is present in the air The elemental copper will react with hydrogen sulfide to produce a purple-black-ish copper sulfide product visible on the surface of the copper rod

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Nickel Mines Nickel Extraction Process Nickel Recovery

This process characterized by easier operation longer flotation time fewer concentrate flotation and process concentrate ore from different stages of separation which can recovery nickel ore as soon as possible in the flotation process The solution of copper-sulfide nickel ore get nickel grade of

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copper sulfide pyrometallurgy

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

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Sulfide precipitation of heavy metals

A full-scale sulfide precipitation process (Na2S as sulfide source) with a capacity of 1 0 x 106 gallons per day is operating at Boliden Metall Corporation of Sweden to treat smelter (Cu Pb Zn smelting) wastewaters One copper smelter in Japan has a sulfide precipitation process to recover heavy metals as sulfides

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Sulfide Mining Overview

hydrometallurgy in which process the metal sulfide is dissolved (leached) into an aqueous solution " 29 Using this process rather than smelting eliminates the sulfur dioxide concerns 30 "Metals can [then] be recovered from solution by electrolysis a process that is known in

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Copper Sulfide Ore Flotation Technologies

Copper sulfide ore has good inherent floatability so flotation process is a mature method used for copper sulfide ore separation In recent years with the continuous development of copper sulphide flotation technology many scholars also proposed a series of new principles of mineral processing such as "collect early loss early" and

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US4033761A

1 A process for the separation of copper sulfide and when present metallic copper from metallic lead entrained in a dross which comprises introducing the dross comprising copper sulfide and when present metallic copper and metallic lead entrained therein into a vessel introducing an alkali metal sulfide into said vessel heating the

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Chloridizing Roasting Process for a Complex Sulfide

This paper describes a chloridizing roasting process applied to two types of nickel and copper-bearing sulfide concentrates One was copper rich and the other nickel rich The paper gives a full account of the process as investigated in various batch roasters and in multiple hearth and rotary roasters

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Copper(II) sulfide

The carcinogenicity of cupric oxide cupric sulfide and cuprous sulfide in 2 to 3 month old Wistar rats /was studied/ Groups of 30-32 rats were given single im injections containing 20 mg of cupric oxide (16 mg copper) cupric sulfide (13 3 mg copper) and cuprous sulfide (16 mg copper) into the left and the right thigh of each rat

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Synthesis and Biomedical Applications of Copper Sulfide

26-2-2014Copper sulfide (CuS) nanoparticles have attracted increasing attention from biomedical researchers across the globe because of their intriguing properties which have been mainly explored for energy- and catalysis-related applications to date This focused review article aims

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Copper

Copper can be found as a metal in the ground Normally it is green on the outside Most copper is not as a metal but in chemical compounds Chalcopyrite is the most common copper ore It is a mixture of pyrite and copper sulfide Copper is found in small amounts in living things

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copper sulfide process

Copper is produced in the U S primarily by pyrometallurgical smelting methods Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrat Process steps include mining concentration roasting smelting converting and finally fire and electrolytic refining 1232 Process Description2-4

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Copper Mining and Processing Processing of Copper Ores

Although this requires more ore to be extracted and processed this process is less expensive so oxides can still be mined at a profit On the other hand while copper sulfide ores are less abundant they contain higher amounts of copper Although the processing costs are higher ultimately more copper

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Cobalt extraction

By boiling away the ammonia copper is precipitated as a sulfide and sent to a smelter Hydrogen sulfide is added to the autoclave to remove nickel sulfide and copper sulfide which is fed back to the leaching process Air is then passed through the solution in the autoclave for oxyhydrolysis

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US4444733A

A hydrometallurgical process is provided for the recovery of molybdenum values from a molybdenum disulfide concentrate containing copper The process comprises forming an aqueous slurry of finely divided molybdenum concentrate of carbonates and hydroxides of alkali metals and pressure leaching the slurry in the presence of oxygen at an

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