sulphur floatation copper concentrate

Sulphide Flotation

In most flotation plants, sulfur and silver on gold grains in all likelihood in the form of silver sulfide promoted gold flotation Copper must be assisting gold flotation as deciphered from the superior floatability of auricupride Cu 3 Au and tetra-auricupride AuCu relative to native gold At the Kemess flotation plant depending on the ....

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COPPER CONCENTRATE PROMINENT HILL Material Safety ,

COPPER CONCENTRATE PROMINENT HILL Productis a complex mixture of copper/iron sulphide compounds used as a ee SOC pp Concentrate contains...

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Sodium Hydrosulfide NaSH

The process feeds the Cu Sulfide concentrate produced through flotation and applies a reverse flotation circuit to separate the Moly sulfide from Copper sulfid In this case, the MoS floats and the CuS is depressed in a bank of flotation cells The control devise is also an ORP meter typically controlled at between -450 mv and -500 mv...

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Froth Flotation Method

Dec 20, 2018 0183 32 The vast majority of polymetallic sulphide ores containing gold and silver are treated by this method When flotation of such ores, gold and silver enter into the copper concentrate or lead concentrate closely associated with them The products are called copper, gold and silver concentrate or lead, gold and silver concentrate, etc...

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Separation Test of Copper

The mixed concentrate which contains 997 Cu, 925 Zn and 3862 S is selected from polymetallic sulfide ores in Kazakhstan The difficulty of study is the effective separation of copper and zinc We used the process of grinding the mixed concentrate, and then carried out separation flotation of copper, zinc and sulfur according to the properties of the mixed concentrate...

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Challenges with elemental sulfur removal during the ,

Challenges with elemental sulfur removal during the leaching of copper and zinc sulfides, and from the residues a review , copper sulfate crystallites with different morphologies and elemental sulfur were observed on the surface of enargite , to recover elemental sulfur, without mercury, from a flotation sulfur concentrate S o 849 , ....

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Copper Nickel Flotation

Cyclic Copper Nickel Flotation Tests To further clarify the flotation response of the shaft sample, several cyclic tests were carried out A 6-min grind in the laboratory ball mill was selected for these tests, and the result was a 40-pct minus 325-mesh grind...

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Talk Copper concentrate

There have been examples where froth flotation was used to concentrate malachite In general froth flotation is not used to concentrate copper oxide ores, as the cost of leaching is cheap when compared to the cost of grinding and flotation Secondary sulfides are resistent to sulfuric leaching, and so can be termed refractory...

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123 Primary Copper Smelting

Pine oils, cresylic acid, and long-chain alcohols are used for the flotation of copper or The flotation concentrates are then dewatered by clarification and filtration, resulting in 10 to 15 percent water, 25 percent sulfur, 25 percent iron, and varying quantities of arsenic, antimony, bismuth, cadmium....

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Hydrometallurgical Production of Copper From Flotation ,

HYDROMETALLURGICAL PRODUCTION OF COPPER FROM FLOTATION CONCENTRATES By J R Cobble,1 C E Jordan,2 and D A Rice3 ABSTRACT Dissolution of chalcopyrite with acidified ferric sulfate produces a sulfur layer on the unreacted chalcopyrite surface that interferes with further dissolution The US Bureau of Mines has developed...

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Bioleaching of copper ore flotation concentrates Request PDF

Request PDF on ResearchGate Bioleaching of copper ore flotation concentrates The bioleaching of flotation concentrate is a new method for copper recovery that could form the basis of an ....

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Froth flotation

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilicThis is used in mineral processing, paper recycling and waste-water treatment industri Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century...

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Influence of Ferric and Ferrous Iron on Chemical and ,

The effects of ferrous and ferric iron as well as redox potential on copper and iron extraction from the copper flotation concentrate of Sarcheshmeh, Kerman, Iran, were evaluated using shake flask leaching examinations Experiments were carried out in the presence and absence of a mixed culture of moderately thermophile microorganisms at 50C...

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PROCESS OPTIMISATION OF MIXED COPPER ORES ,

results and can successfully analyse total copper TCu , acid soluble copper ASCu , sulfur and iron Analysers were installed on the feed, concentrate and tails lines and provide data at 15 second intervals This is a first in the Zambian base metals industry and is aimed at optimising the recovery of copper in the flotation circuit 1 Background...

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Control of Sulfur Dioxide Emissions From Copper Smelters ,

One way of increasing the HpS yield from neutral-roasted copper concentrates would be to leach a mixture of neutral-roasted pyrite and neutral-roasted copper concentrate pyrite is usually available as a waste stream from the flotation plant in most copper operations...

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Flotation of a copper sulphide ore from Okiep using thiol ,

froth flotation performance obtained with a bornite-rich copper sulphide ore from Okiep Copper Mine with a feed grade of 18 copper Batch flotation tests were used to assess the performance in terms of mass-water recovery, sulphur grade-recovery and copper grade-recovery relationships and the Klimpel rate constant for copper recovery...

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Sulfur flotation concentrate

Flotation experiment research on a polymetallic su 2016104The concentrate products of copper, lead, and zinc can be obtained via flotation separation The concentrate products of sulfur can be obtained only when the ores pyrite content is high Gold and silver can be recovered from the concentrates of copper, lead, and zinc or from the products of pyrite The goal of floating pyrite is not to ....

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Recovery of Cobalt and Copper From Complex Sulfide ,

copper from complex sulfide concentrat Processes currently used de 173 pend largely upon precipitation techniques to remove impurities and re 173 cover cobalt from sulfate liquors prepared by oxidative pressure leaching of the sulfide concentrat The Bureau conducted bench-scale research on a process for treating cobaltite concentrat comprising...

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Recovery of pyrite from copper tailings by flotation ,

Considering that pyrite content in the tailings varies between 4 and 8 , an alternative to prevent the generation of acidic waters is to recover pyrite as a by-product, this would solve part of a future environmental problem and it would improve the profitability of the flotation plants that concentrate copper ,...

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Characterization and Flotation of Sulfur from Chalcopyrite ,

Vo1 2, No1 Characterization and Flotation of Sulfur from Chalcopyrite Concentrate Leaching 7 A sodium silicate dosage of 50 g/t increases the sulfur grade of the concentrate to 89 with a recovery of 91 The grade of both copper and siliceous material has...

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Characterization and Flotation of Sulfur from Chalcopyrite ,

Elemental sulfur produced by chloride leaching of sulfide ores or concentrates contains selenium and tellurium usually too high to be used in various industrial or agricultural us The sulfur in the leaching residue can be upgraded to 90 in grade by froth flotation and the sulfur concentration can be followed by sulfur purification and selenium and tellurium removal...

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Flotation Cells For Copper Sulphur Ore

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 more crushing and less grinding...

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TACKLING IMPURITIES IN COPPER CONCENTRATES

Figure 1 - CESL Flowsheet for Processing Hg-rich Copper Concentrates Copper and mercury results at the continuous pilot scale confirmed those obtained in batch testing Gold recovery from the pilot leach residue was also assessed with elemental sulphur flotation of the residue offering 85 recovery of the precious metals to the flotation ....

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Recovery of Copper from Copper Sulfide Concentrate by ,

copper was mainly formed to soluble sulfate by water or dilute acid after roasting Mostly this method is applied to pretreatment of copper concentrate with high percentage of sulfur A sulfate promoter can change the roasting atmosphere from oxidation to reduction , with releasing sulfur dioxide, turning metal oxides and sulfides to so-...

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A New Application For Flotation Of Oxidized Copper Ore

Following flotation, it was seen that copper, cobalt and sulfur present in the medium were concentrated In this solution, concentration of copper and cobalt were found five times higher than normal level Key Words Oxidized copper ore, sulfurization, flotation, copper, cobalt, sulfur INTRODUCTION Many researchers have tried to recover copper ....

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Process of removing sulfur from magnetite concentrates via ,

The invention relates to the beneficiation of minerals and can be used when cleaning magnetite concentrates from sulphur There is a method of finishing of fine-grained magnetite concentrate Cline WA, Rene Rosas How Marcona floats iron sulphides from magnetite pellet feed concentrate // ,...

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Atmospheric leaching of copper flotation concentrate with ,

process for processing of copper flotation concentrate in order to elevate the recovery of copper and to recover metals, which are being lost in the current technologies Zn, Co, Mo, V The standard treatment of copper flotation sulphide concentrates by smelting, converting and electrorefining has dominated the World copper industry...

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PDF A Review of the Flotation of Copper Minerals

ro ugher flotation tests conducted, the highest copper recovery obtained was 789 at a concentrate grade of 25 TCu using AM28 dosage of 740 g/t and PAX dos age of 20 g/t w ith one stag e of ....

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CANATUAN CU/ZN FLOTATION METALLURGY

copper concentrate inventory levels surpassed the 5,000 tonne shipping threshold Increased zinc levels in the ore body, as it was continuously being mined, prompted the construction of a Cu/Zn separation circuit as extension of the previous flotation circuit...

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CHLORINATION OF COPPER AND NICKEL SULFIDE CONCENTRATES ,

A chlorination process for treating metal sulfide flotation concentrates is described The process involves low temperature chlorination combined with sulfur chloride conversion and selective oxidation to produce nonferrous metal chlorides, elemental sulfur, and ferric oxide in a ,...

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