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flotation copper collectorless

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flotation process collectorless

Collectorless flotation of chalcopyrite and sphalerite The flotation of chalcopyrite and sphalerite from copper and copperzinc ores has been achieved without using thioltype collectors Typically, a sulfide ore sample is first treated with sodium sulfide either during grinding or during the preflotation conditioning period, and then the chalcopyrite is floated with frother alone With a copperzinc..

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Role of Sodium Sulfide - Copper Lead & Zinc Ore Flotation

17-07-2018· In a study of collectorless flotation, chalcopyrite was floated from ore samples wet ground using iron balls followed by sodium sulfide treatment, and sphalerite was floated from a copper-zinc ore by activating it with cupric tons in the presence of sulfide ions..

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Influence of frother type and dose on collectorless ,

Drzymala, J, Bigosinski, J, 1995, Collectorless flotation of sulfides occurring in the Fore-sudetic copper minerals deposit of SW Poland, Mineralogia Polonica, 26(1), 63–73 Drzymala J, Milczarski E, Milczarski J, 2007, Adsorption and flotation of hydrophilic and hydrophobic materials in the presence of hydrocarbon polyethylene glycol ethers, Colloid Surf..

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flotation copper collectorless in america

flotation copper collectorless in america Oct 01 2010 Laboratory collectorless flotation on plant SAG mill trommel undersize −212 μm size fraction sample Approximately 76 of the copper was recovered with a concentrate grade of 225 within the first minute of the collectorless flotation At the end of the 10 min flotation 90 copper recovery and 108 concentrate grade were achieved...

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flotation copper collectorless

a potential application of collectorless flotation in a copper pre-aeration tended to promote of chalcopyrite while it had a negligible effect on pyrite in addition to the laboratory study, ...

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Recovery of Copper from Cyanidation Tailing by Flotation ,

10-12-2015· In addition, the depression effect of hexacyanoferrous and hexacyanoferric complexes on chalcopyrite flotation is pronounced17 Therefore, in order to recycle copper from cyanide tailings, it is necessary to eliminate depression effect of cyanide At present, many studies of chalcopyrite activation are based on no depression19,20 In this case, copper sulfate is usually used to activate ...

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Depressing mechanisms of sodium bisulphite in the ,

04-04-2005· The flotation results reported in this study show that sodium bisulphite strongly depressed the collectorless flotation of copper-activated sphalerite at pH 9 with nitrogen-purged conditions The recovery of copper-activated sphalerite was decreased after sulphite addition from 508% to 58%..

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Influence of frother type and dose on collectorless ,

Influence of frother type and dose on collectorless flotation of copper-bearing shale in a flotation column Autorzy: Kowalczuk, , Drzymala, J, 1994, Characterization of materials by Hallimond tube flotation Part 2: maximum size of floating particles and contact angle, Int J Miner Process, 42, 153–167 (erratum, 1995..

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Depressing mechanisms of sodium bisulphite in the ,

The effect of sodium bisulphite on the collectorless flotation of copper-activated sphalerite has been studied at pH 9 with nitrogen purging X-ray photoelectron spectroscopy (XPS), time of flight ...

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Influence of frother type and dose on collectorless ,

Influence of frother type and dose on collectorless flotation of copper-bearing shale in a flotation column Autorzy: Kowalczuk, , Drzymala, J, 1994, Characterization of materials by Hallimond tube flotation Part 2: maximum size of floating particles and contact angle, Int J Miner Process, 42, 153–167 (erratum, 1995..

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Role of Sodium Sulfide - Copper Lead & Zinc Ore Flotation

17-07-2018· In a study of collectorless flotation, chalcopyrite was floated from ore samples wet ground using iron balls followed by sodium sulfide treatment, and sphalerite was floated from a copper-zinc ore by activating it with cupric tons in the presence of sulfide ions..

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flotation copper collectorless - nabestaandeninfonl

15-11-2020· The collectorless flotation of sphalerite The flotation of sphalerite has been demonstrated without the use of collectors The effect of redox potential, pH, and copper-activation have been investigated in tests using samples of pure mineral..

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Selectivity in the Collectorless Flotation of Two Complex ,

Collectorless flotation was not attempted at Les Mines Selbaie However, examination of the distribution of collector between the different addition points in the copper circuit suggests that it may be present" Full Article Download: (704 kb) Additional chapters ...

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Collectorless Flotation - Liquid Chromatography - Beyond ,

04-09-2012· For collectorless flotation, , In this work it was however shown as well that copper solubilization was not enhanced in the presence of pyrite, but rather reduced; this points to copper deposition on pyrite - in other words, to activation rather than direct electrochemical interaction..

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JME

The collectorless flotation and separation of sulphide minerals by Eh control, International Journal of Mineral Processing, 23: 55-84 [13] Fornasiero, D, Ralston, J, (2006) Effect of surface oxide/hydroxide products on the collectorless flotation of copper-activated sphalerite, International Journal of Mineral..

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flotation copper collectorless

2017-4-12 21 Collectorless flotation of copper sulphide ore〔4 〕 In our work, the flotation of copper sulfide ores is achieved without using collectors The results of the collectorless flotation tests are comparable to those obtained by using thiol collectors The grade of the get price..

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flotation copper collectorless

flotation copper collectorless Home >flotation copper collectorless Water quality had no effect on the collectorless flotation of chalcopyrite which was very strong, in excess of 96% copper recovery, but all three lower quality waters had a detrimental effect on the recovery of bornite compared to that obtained in distilled water..

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Regularities of reagents effect on properties and ,

Quantitative parameters for optimal condition of collectorless and usual flotation were elaborated for such copper minerals as sulfides, selenides, tellurides and copper sulphursalts, containing arsenic, arsenic and iron, antimony, silver or bismuth Optimal conditions for collectorless and usual flotation of oxidizing minerals are the same..

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flotation copper collectorless

flotation copper collectorless Home >flotation copper collectorless Water quality had no effect on the collectorless flotation of chalcopyrite which was very strong, in excess of 96% copper recovery, but all three lower quality waters had a detrimental effect on the recovery of bornite compared to that obtained in distilled water..

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A potential application of collectorless flotation in a ,

Abstract A recent study found that chalcopyrite in the Telfer ore could float without a collector whilst pyrite did not float without a collector in the laboratory In comparison of the flotation result with and without a collector, the two grade–recovery curves are clearly separated due mainly to less pyrite recovery and higher concentrate grades produced by collectorless flotation..

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Depressing mechanisms of sodium bisulphite in the ,

The effect of sodium bisulphite on the collectorless flotation of copper-activated sphalerite has been studied at pH 9 with nitrogen purging X-ray photoelectron spectroscopy (XPS), time of flight ...

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Recovery of Copper from Cyanidation Tailing by Flotation ,

10-12-2015· In addition, the depression effect of hexacyanoferrous and hexacyanoferric complexes on chalcopyrite flotation is pronounced17 Therefore, in order to recycle copper from cyanide tailings, it is necessary to eliminate depression effect of cyanide At present, many studies of chalcopyrite activation are based on no depression19,20 In this case, copper sulfate is usually used to activate ...

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Collectorless Flotation - Liquid Chromatography - Beyond ,

04-09-2012· For collectorless flotation, , In this work it was however shown as well that copper solubilization was not enhanced in the presence of pyrite, but rather reduced; this points to copper deposition on pyrite - in other words, to activation rather than direct electrochemical interaction..

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Collectorless flotation of marmatite with pine oil ,

15-07-2015· I collectorless flotation, XPS and dissolution study Int J Miner Process 1997;50(1–2):1 Google Scholar [21] Fornasiero D, Ralston J Effect of surface oxide/hydroxide products on the collectorless flotation of copper-activated sphalerite Int J Miner Process 2006;78(4):231 Article Google Scholar [22]..

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flotation copper collectorless in america

flotation copper collectorless in america Oct 01 2010 Laboratory collectorless flotation on plant SAG mill trommel undersize −212 μm size fraction sample Approximately 76 of the copper was recovered with a concentrate grade of 225 within the first minute of the collectorless flotation At the end of the 10 min flotation 90 copper recovery and 108 concentrate grade were achieved...

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The collectorless flotation of sphalerite

It has been found that in general, collectorless flotation of sphalerite can be accomplished at potentials greater than -200 mV, SHE, and is more readily carried out in acidic solutions It has also been shown that although copper-activation was necessary to achieve flotation recoveries above 35%, an excessive addition of cupric ions may result in a decrease in floatability..

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Influence of frother type and dose on collectorless ,

Drzymala, J, Bigosinski, J, 1995, Collectorless flotation of sulfides occurring in the Fore-sudetic copper minerals deposit of SW Poland, Mineralogia Polonica, 26(1), 63–73 Drzymala J, Milczarski E, Milczarski J, 2007, Adsorption and flotation of hydrophilic and hydrophobic materials in the presence of hydrocarbon polyethylene glycol ethers, Colloid Surf..

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The effect of water quality on the collectorless flotation ,

06-06-2012· Water quality had no effect on the collectorless flotation of chalcopyrite which was very strong, in excess of 96% copper recovery, but all three lower quality waters had a detrimental effect on the recovery of bornite compared to that obtained in distilled water..

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Flotation of Copper Oxide Minerals by Mixed Collectors ,

In this study, the effects of important factors on malachite exploited from Tibet are investigated Dosages of activating agents, depressants and collectors are essential to the effective recovery of copper in the flotation The mixed collector ratio of SIBX: Armac C was varied as 0:1, 1:1, 1:2, 1:3, and 1:4 This investigation showed that using Armac C in conjunction with traditional SIBX ...

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INFLUENCE OF FROTHER TYPE AND DOSE ON COLLECTORLESS ,

Influence of frother type and dose on collectorless flotation of copper-bearing shale , 551 The results of flotation of investigated shale in the presence of frothers in the form of recovery of different particle size fractions and frother concentrations expressed in mg/dm3 versus flotation time are presented in ,..

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