Of Flotation If Copper Concetrates

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US4460459A

A sequential flotation process for the recovery of high-grade concentrates of copper lead and cobalt-nickel from sulfide ores is provided A primary grind ore pulp is conditioned with SO 2 as H 2 SO 3 under intense aeration and the conditioned pulp subjected to sequential flotation with regrinding and conditioning of a copper rougher concentrate obtained in the first flotation step for copper

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Types of Copper Deposits in the World

The mine has processed more than 2 billion tonnes of ore through leaching and flotation since opening more than 25 years ago Today it accounts for almost 5 percent of worldwide copper output

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Selective Flotation of Copper

ABSTACT The aim of this study described the beneficiation of Gumushane copper sulphide ore The applied method was selective flotation of copper-lead-zinc sulphide ore

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RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

flotation tests were unsuccessful in terms of both recovery and grade of concentrate product The highest copper recovery of concentrate was found as 61 35% with 8 69% copper content The concentrate with highest copper grade of 34 65% was obtained with only 26 98% copper recovery Unsuccessful flotation of

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Flotation of Nickel

All the flotation test-work was done using the Denver laboratory machine with a 1 5l stainless steel flotation cell The required mass of nickel-copper sulphide ore material ground to 70% passing 75 m was weighed and placed in the flotation cell

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How and why do we produce gold and copper concentrates

flotation processes are maximised to achieve the best gold recovery whilst recovering sufficient copper to make the concentrate worthwhile for the smelters (whose primary product in copper) to even want to purchase from us I trust that people understand from this brief description that it is the type of orebody that dictates the processing

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Hydrometallurgical production of copper from flotation

Note: Citations are based on reference standards However formatting rules can vary widely between applications and fields of interest or study The specific requirements or preferences of your reviewing publisher classroom teacher institution or organization should be applied

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Bioleaching of copper ore flotation concentrates Minerals

Jan 01 2003Bioleaching of copper ore flotation concentrates Bioleaching of copper ore flotation concentrates Sadowski Z Jazdzyk E Karas H 2003-01-01 00:00:00 The bioleaching of flotation concentrate is a new method for copper recovery that could form the basis of an economic and environmentally friendly process The main objective of this work was to evaluate a bioleaching

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BULK FLOTATION OF COMPLEX COPPER ORE

The complexity of the ore leads to certain ways of treating it by the use of sequential flotation in which copper and zinc are floated in series of operation that may involve a bulk flotation of copper and zinc feeding it to another circuit of copper and zinc separation in order to produce both marketable value of copper and zinc concentrate

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(PDF) Flotation of an Oxidized Copper Sulfide Ore

From a flotation feed assaying 2 7% Cu a copper concentrate assaying about 23 5% Cu at a recovery of 91 5% was obtained in only one roughing and one cleaning stages Discover the world's research

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Copper Lead Concentrate Separation

Copper Lead Separation Flowsheet A: A bulk copper and lead flotation followed by a copper depression reverse This scheme uses cyanide to depress the copper in the reverse process With the use of cyanide in the reverse cyanide was also used in the bulk flotation

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Froth Flotation Method

Dec 20 2018The 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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Copper

Copper is separated from the cobalt in the bulk concentrate by raising the pH up to at least 11 which depresses the cobalt minerals Cobalt depression can be enhanced by small cyanide dosages If the cobalt is found with chalcopyrite bulk flotation can be carried out with xanthate at pH 10 and separation made at pH 4 with an amine and

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A New Application For Flotation Of Oxidized Copper Ore

The Flotation of Oxidized Copper Ore: This study was carried out under the conditions indicated in table 1 Flotation time was 3 minutes In the first test with a run of mine ore sample it was determined that the concentrate (copper and cobalt) obtained from this study was 5 07 g while the tailing was 92 53 g

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Bioleaching of copper ore flotation concentrates

Bacterial leaching of copper sulfide flotation concentrate is a complex process Bioleaching of copper flotation concentrate has been investigated by Rivera-Santillan et al (1999) Compared with other copper sulfide concentrates the Polish copper flotation concentrate contains carbonate minerals such as dolomite and calcite

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Study of Flotation Parameters for Copper Recovery from

copper sulphides difference in their activity and size create the considerable problems in implementation of selective flotation obtaining conditional copper and zinc concentrates Despite several of studies that have been done related to this issue effective selective flotation of tennantite ores is still the subject to investigation 4 2

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Valves for copper concentrates production smelting and

Increasing the efficiency of copper concentrates production smelting and electrolysis is possible by carefully selecting the optimal valves for each process The most common copper ore types copper oxide and copper sulfide undergo two different refining processes – hydrometallurgical and pyrometallurgical respectively

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Investigation of Flotation Parameters for Copper Recovery

Flotation parameters including pH collector addition or dosage and type flotation time and depressants were controlled to obtain an enargite concentrate with high As and chalcopyrite concentrate and final tailings with As content below 0 5mass% 2 Experimental 2 1 Samples Two high grade copper ore samples hand picked from two

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Copper concentrate price

copper concentrate price You're watching 1 of 25 Save search Here you may find the listings of the products copper concentrate price The enterprises are ready copper concentrate price from 1

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Bioleaching of copper ore flotation concentrates

Bacterial leaching of copper sulfide flotation concentrate is a complex process Bioleaching of copper flotation concentrate has been investigated by Rivera-Santillan et al (1999) Compared with other copper sulfide concentrates the Polish copper flotation concentrate contains carbonate minerals such as dolomite and calcite

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flotation process in the recovery of copper from copper

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 Pine oils cresylic acid and long-chain alcohols are used for the flotation of copper or The flotation concentrates are then

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COPPER Copper production

About 80 % of primary copper production comes from low-grade or poor sulfide ores After enrichment steps the copper concentrates are usually treated by pyrometallurgical methods Generally copper extraction follows the sequence (see Figure below): 1 Beneficiation by froth flotation of ore to give copper concentrate

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TACKLING IMPURITIES IN COPPER CONCENTRATES

found in copper and nickel concentrates as well One considers a "typical" copper concentrate as having about 25+% copper and some minor quantity of impurities preferably rich in precious metals In practice smelters purchase all variety of concentrates and blend them to

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Copper Mining and Extraction: Sulfide Ores

We rely on copper for power lighting heating communications water supply and transport Copper makes our homes schools and businesses efficient comfortable and decorative and it lasts for many years In this e-source we'll look at the ways of extracting copper from the ground Copper has a remarkable combination of properties

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Modelling of pyrite depression process by lime in copper

Flotation of copper or zinc sulphides by depression of the iron sulphides in selective flotation or in separation of bulk copper-pyrite or zinc-pyrite concentrates is realized as usual in alkaline environment created by lime (Abramov 1983) However the maximum recovery of

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Influence of dextrin on beneficiation of components from

Potato starch and dextrins resulting from thermolysis of potato starch in the absence of reagents and presence of l-amino acids are promising depressants for separation of lead and copper minerals

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US4460459A

Concentrates of copper lead and combined cobalt and nickel are separately recovered in that order by the chemical control and manipulation of the flotation rates of the copper lead cobalt-nickel and iron sulfide minerals present in the ore in a conventional sequential flotation system comprising a main flotation circuit for each of the product concentrates

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Copper Flotation

The copper minerals and waste rock are separated at the mill using froth flotation The copper ore slurry from the grinding mills is mixed with milk of lime (simply water and ground-up limestone) to give a basic pH pine oil (yes it comes from trees -- a by-product of paper mills) to make bubbles an alcohol to strengthen the bubbles

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Characterization and Flotation of Sulfur from Chalcopyrite

flotation tailings and can be readily recovered by flotation with different flotation reagents When amyl xanthate is used 85% of chalcopyrite can be recovered with a copper grade of 14 5% in a single-stage froth flotation The chalcopyrite flotation concentrate can be sent back to chloride leaching circuits

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conventional flotation to produce copper concentrates

Copper Mountain Mining is Focused on Growth - Business The Copper Mountain mine is a conventional open pit truck and shovel operation The mine has a 40 ktpd plant that utilizes a conventional crushing grinding and flotation circuit to produce copper concentrates

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