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Improve Copper Yield in Flotation Tanks

Rich copper concentrate is produced from crude copper sulfide ore by means of a flotation process that takes advantage of the physical and chemical properties of small copper ore particles To maximize the yield of copper pH control is necessary in the flotation tanks Crushed ore (containing 1 to 2 % copper) along with water and a

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sodium sulfide usage in the flotation for ore dressing

Aug 15 2013High of 13 Hongshan Hubei Daye Shitouzui in dealing with copper to copper mineral malachite mainly when using the multi-stage multi-point of adding Na2S concentrate ore flotation method reduces the circulating concentrate grade than the production process increased 211 copper gold recovery 25198 and 10181 respectively

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Flotation of Copper Sulfide Ores

Reagent scheme used for flotation of sulfide copper ores Unlike porphyry copper ore where the reagent schemes are similar for most operations the reagent schemes used for the treatment of sulfide copper ores are much more diverse and are designed to cope with specific problems associated with processing the ore

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EFFECT OF GRINDING CHEMISTRY ON THE SULPHIDISATION

The recovery of copper by sulphidisation and flotation from a mixed ore has been studied in detail in this thesis Particular focus was given to the effect of pulp chemistry on the sulphidisation mechanism and subsequent flotation response of oxidised sulphide minerals both

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Vulcanization flotation of copper oxide ore

Sep 27 2019In the copper oxide flotation direct flotation method usually can not achieve better results Sulfuration flotation method is the main flotation method for treating copper oxide ore and mixed ore at home and abroad For malachite azurite and red copper Mine-based copper oxide ore can get better indicators

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differential flotation of copper cobalt ores

Oct 22 2012A New Application For Flotation Of Oxidized Copper Ore – Mining In another study sulphidising flotation of oxide copper-cobalt ores using sodium hydrosulphide as the sulphidising agent has been practiced in Katanga Democratic Flotation of mixed copper

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Sulphidizing Flotation of Copper Oxide Ore

The copper oxide ore in Dali which contains 0 69% of copper and 11 24g/t of silver was beneficiated by sulphidizing - xanthate flotation method The flotation tests were carried out systematically with sodium sulfide as sulphidizing agent and butyl xanthate + ammonium dibutyl dithiophosphate as the combined collectors Through closed-circuit test a copper concentrate with 18 34% of Cu grade

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flotation of copper oxide ores

Description/ Sulfide or Oxide copper ore froth flotation cells price The copper ore is crushed and ground to a size such that an acceptably high degree of liberation has occurred between the copper sulfide ore minerals and the gangue minerals More Info flotation in mining copper and gold oxide ore

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Column Flotation

The Eriez Flotation Division has supplied more than 900 flotation columns throughput the world in mineral concentrating and purification applications that include iron ore base-metals gold industrial minerals fertilizers (phosphate and potash) energy (coal and oil-sands) and specialty applications such as oil/water separation

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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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Flotation of gold and gold

Flotation of copper– gold ores For the bulk flotation of copper minerals and gold from supergene copper ores it is normal practice to add a xanthate as the primary collector and dithiophosphate as a secondary collector (Bulatovic 1997) This combination gives satisfactory results in respect of copper concentrate grade and copper and gold

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US3819048A

WHEREIN R is an alkyl group having 8 to 12 carbon atoms and R'' is H or a (CH2CH2O)xH radical where x is an integer of 1 to 3 B an alkylene polyamine of the formula In a flotation separation process wherein oxide copper ores in subdivided form are concentrated by slurrying raw ores containing oxide copper ores in an aqueous solution of a flotation reagent followed by generating gas bubbles

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Flotation of Sulfide Components of Copper Ore in the

Influence of n-dodecane aqueous emulsion on flotation of sulfide minerals present in the copper ore from the Legnica-Glogow Copper Basin (LGOM) carried out on the laboratory scale was investigated Five flotation experiments performed in the presence of

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PROCESS OPTIMISATION OF MIXED COPPER ORES

The variability of the Kansanshi mixed ore in terms of total copper and acid soluble copper grades has a major impact on the flotation recovery In March 2011 three Blue Cube MQi (in-line mineral quantifier) analysers were installed on the mixed ore flotation feed concentrate and final tails respectively

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FUNDAMENTAL SURFACE CHEMISTRY AND FROTH

best performance Bench flotation was performed on three different ores a Mexican fluorite ore a Peruvian copper ore and Morenci copper ore With the addition of Tupasol ATO the recovery and grade of the fluorite concentrate was seen to increase Tupafin ATO was shown to provide a

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Copper

This flotation step is conducted at alkaline pH In the case where galena is floated and the copper minerals are depressed copper depression can be achieved by using sodium sulphide hydrosulfite lime cyanide zinc-cyanide and/or ferricyanide complexes Selection of flotation reagents and frothers is an important even critical consideration

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The Effect of Sulfurization Process on Flotation of Copper

Thus before the flotation process of sulfurization was made in order to change the ore structure and surface properties (9 10 and 11) The sulfurized samples were subjected to flotation and the results were evaluated 2 MATERIALS AND METHOD 2 1 Materials The copper ore containing gold and silver used in this study was obtained from

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Froth flotation of copper sulphide ores

Froth flotation of copper sulphide ores The metal industry uses large quantities of copper sulphate as an electrolyte in copper refining for copper coating steel wire prior to wire drawing and in various copper plating processes The mining industry employs it as an activator in the concentration by froth flotation of lead zinc cobalt and gold ores

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RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION AND LEACHING Kiraz Emirhan M S Department of Mining Engineering Supervisor Prof Dr Mustafa mit Atalay December 2014 65 pages The aim of this study was the recovery of copper from the oxide copper ore by froth flotation and agitating sulphuric acid (H 2 SO 4) leaching

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The effect of copper sulphate addition on the recovery of

flotation performance (Shortridge et al 1999 Dalvie et al 2000) The objective of this research was to determine the level of copper sulphate dosage that can activate the chromite and also to evaluate the effect of the depressant type and dosage on the recovery of chromite in the flotation of UG2 ore The

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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 and a

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「flotation separator for minerals processing plant copper ore」

Flotation of Copper Ores - Mineral Processing amp MetallurgyFlotation of Copper Ores Treating coarser material or ores that contain a large percentage of heavy gangue (such as in the Coeur dflotation separator for minerals processing plant copper ore

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Flotation collectors

FLOTATION MATRIX 100 is designed to deliver a range of measurable results by taking into consideration the dynamic interaction of the ore body and plant characteristics with the chemicals including collectors in the flotation process The benefits that can be experienced by following this approach are Optimized reagent performance

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Effect of Seawater on Sulfide Ore Flotation A Review

In parallel the secondary ions present in seawater cause a colloidal precipitation and a strong buffering effect which difficult the operation at high alkaline condition The objective of this review is to present a summary of the current knowledge on the subject of seawater flotation processes highlighting the copper sulphide ores flotation

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buying of copper ore flotation cell machines

copper ore gold flotation cell machine for gold copper Mineral Processing EPC Xinhai EPC provides services of sample test mine design equipment manufacture etc for clients and solves the common problems in plant construction such as budget over run schedule delays unqualified equipment unclear recovery benefit disputes of the manufacturers and unclear responsibility of after sale

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The flotation of Roşia Poieni copper ore in column machine

S Krausz G Mărăcineanu and V Ciocani The flotation of Roşia Poieni copper ore in column machine with non-polar oils addition The specific consumptions were dosed 60 % to the rough flotation and 40 % to the scavenger flotation Results and discussion The trials were carried out by using the bifactorial planning matrix of experiments presented in Tab 3

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Pyrite

Froth flotation is a widely used separating technique for the recovery of Cu and Au in porphyry copper-gold ores In these ores chalcopyrite and gold are the main valuable mineral/metal phases with pyrite being the key sulphide gangue mineral However in these ores gold is mostly associated with pyrite rather than the copper minerals

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Rougher flotation of copper sulphide ore using biosolids

Table 5 presents the first order flotation rate constant the maximum theoretical flotation recovery and the coefficient of variation of the rate constant obtained from the data of rougher flotation of a copper sulphide ore with 10% (w/w) biosolids 1 5% (w/w) salt of humic acids and a mixture of conventional collectors and frothers used in

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Froth flotation circuit design and basic testwork

Froth flotation is a very important mineral concentration process that is used to recover a vast array of different minerals containing valuable commodities such as copper lead zinc nickel molybdenum tungsten silver gold phosphate and potash

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FLOTATION OF COPPER MINERALS FROM NORTH M

FLOTATION OF COPPER MINERALS FROM NORTH WAZIRISTAN COPPER ORE ON PILOT-SCALE M Mansoor Khan Mazhar Rafiq and *Ehteshamullah Khan (Received on 20-7-1999 and in revised form 18-8-1999) ABSTRACT Flotation process parameters were studied to concentrate the copper content i e Chalcopyrite of North Waziristan copper-ore on Pilot-scale to obtain

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