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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 Get price

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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 Get price

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A Comparison Between a Flotation Mini Pilot Plant and a

A Comparison Between a Flotation Mini Pilot Plant and a Copper Concentrator Mill L M Loyola1 and K L C Gonalves2 ABSTRACT In 1999 the Mineral Development Centre of CVRD (CDM) acquired a flotation device referred to as Mini Pilot Plant (MPP) which is able to run continuous flotation tests with drill core samples Since then thisGet price

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Copper Mining and Processing Processing of Copper Ores

After the copper ore is crushed liquid is added to make it a slurry The slurry is a mix of valuable copper ore minerals and "worthless" rock called gangue (pronounced "gang") The slurry is placed in a tank and a process called froth floatation is used to separate the copper minerals from the gangue Get price

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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 Get price

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Flotation of mixed copper oxide and sulphide minerals with

Copper oxide ores Copper sulphide ores Flotation collectors Mineral processing Alkyl hydroxamates abstract Sherwood Copper's Minto Mine processes a high grade copper–gold deposit in Yukon Canada The ore mined is from a primary copper sulphide deposit with separate additional deposits of Get price

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Froth flotation

Froth flotation The development of froth flotation has improved the recovery of valuable minerals such as copper - and lead -bearing minerals Along with mechanized mining it has allowed the economic recovery of valuable metals from much lower grade ore than previously Get price

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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 Get price

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Copper Ore Processing Methods

production of concentrates other than copper concentrates from plants essentially copper plants—for example the production of pyrite concentrates by the Britannia Mining Co the production of zinc concentrates at the Flin Flon and Sherritt Gordon plants and the production of nickel-copper concentrates at the concentrator of the International Nickel Co all by [differential] flotation methods Get price

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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 Get price

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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 Get price

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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 concentrateGet price

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Copper Flotation

Flotation of Copper Ores The concentrate can then be reground and refloated with the production of a high-grade copper concentrate together with a low- grade pyritic tailing suitable for return to the roughing circuit This method is likely to be less costly than one Get price

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Copper Concentrates

The production of concentrates implies the crushing and later milling of the ore down to a particle size allows releasing copper by flotation The concentrates from different regions have approximately between 24% up to 36% of copper Copper concentrates are then submitted to a final filtration and drying process to decrease the humidity to 8-9% Get price

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Copper Flotation Extraction of Copper Copper Processing

Therefore after discussed with client Xinhai adopted two stage closed-circuit crushing one stage closed-circuit grinding middlings regrinding copper lead bulk flotation - zinc flotation - copper lead separation process Copper lead bulk flotation adopted a roughing three scavenging four cleaning process Get price

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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 Get price

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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 twoGet price

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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 ofGet price

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Flotation of Copper Ores

Flotation of Copper Ores The advantages of the pneumatic scheme are greater recoveries less oil greater simplicity and less skill required to operate The difference in wear and tear is obvious Proof of the increased recoveries is shown in Table I which represents a 30-day competition Get price

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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 Get price

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conventional flotation to produce copper concentrates

Conventional Flotation To Produce Copper Concentrates Copper Gold Mining Project crushing screening grinding The Minto Mine is an open pit mining operation with conventional crushing and flotation to produce copper concentrates with significant gold and silver credits Get price

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MEI Blog Challenges in copper flotation

Sep 17 2011Then the flotation must be capable to produce copper concentrates of low and high arsenic content The second one must be treated by an alternative process The treatment of copper ores with some degree of oxidation is other problem In this case the mine usually tries to send to the flotation process a material easy to treat Get price

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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 Get price

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Flotation experiment research on a polymetallic sulfide ore of

The polymetallic separation flowsheet of copper/lead bulk flotation – copper/lead separation - priority flotation zinc and pyrite from the bulk flotation tailings was used The concentrate indexes of the grade of copper lead and zinc were 20 87% 49 91% and 60 10% respectively and the recoveries were 75 59% 91 62% and 74 07% Get price

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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 Get price

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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 Get price

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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 processingGet price

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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 Get price

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Hydrometallurgical Production of Copper From Flotation

Hydrometallurgical Production of Copper From Flotation Concentrates By J R Cobble C E Jordan and D A Rice UNITED STATES DEPARTMENT OF THE INTERIOR Bruce Babbitt Secretary BUREAU OF MINES This report is based upon research conducted under an agreement between the University of Alabama and the Bureau of Mines Get price

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Copper extraction

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 Get price

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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 Get price

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