carbonate depression in flotation

Possibility of sodium cyanide elimination from a flotation ... - wseas

depression of pyrite is necessary in the flotation ... flotation recovery of pyrite can be depressed in the ... compared action of DETA, dextrin and carbonate to.

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The Art of Talc Flotation for Different Industrial Applications

May 20, 2016 ... talc collector and in presence of a selective carbonate depressant (soda ... Flotation, Depression, Attrition Scrubbing, Carbonate Separation. 1.

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SELECTIVE FLOTATION OF DOLOMITIC LIMESTONE IMPURITIES ...

carbonate-phosphate flotation process is unique in that the separation is carried out in a ... (d) mechanism of activation/depression of sodium silicate. Also, to...

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Fundamentals for optimization of cyanide processes in flotation

boundary conditions for flotation or depression of minerals to be recovered or ..... (sodium carbonate or lime) medium with cyanide additions (up to 200g/t).

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Enhanced phosphate flotation using novel depressants - UKnowledge

Nov 8, 2013 ... the industry. Keywords: phosphate flotation, collector, depressant, clay binder, clay .... 18. 2.5.1.Phosphate, carbonate and silicate depressants .

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role of sodium hexametaphosphate in flotation of a nickel ore

May 31, 2015 ... Sodium carbonate of 5 000 g/Mg was added at ... Effect of SHMP on flotation performance of pentlandite depressed by lizardite. The effect of...

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carbonate recovery. Improvement on the selectivity in carbonate flotation also depends on the sense and nature of phosphate depression. This investigation is...

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Danda S. Rao, Tadiparthi V. Vijayakumar 2, Shivakumar Angadi ...

Sep 21, 2010 ... Direct flotation (flotation of carbonate minerals) was adopted to reduce ... that direct flotation, in which the gangue is depressed and the useful...

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Collectorless flotation of talc-magnesite ore with respect to particle size

particle size effect of pure talc samples on collectorless column flotation kinetics by Yekeler and Sonmez (1997) ... carbonate ore sample with satisfactory concentrate grade and yield for industrial uses. ..... of magnesite depressed (Gawel et al.

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Role of the hydrocarbon chain in anionic flotation of calcite - Utah

The response of calcite to flotation with saturated ... carbonate, calcium, and colIector ion concentrations ..... System depression at higher values of pH with the.

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Beneficiation of Akashat Phosphate Rocks by Flotation Process ...

May 31, 2015 ... Keywords: Akashat phosphate rock, reverse flotation, carbonate impurities. ..... depression and its effect on P2O5 content and recovery of the...

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Selective flotation of phosphate-carbonate ores | SpringerLink

The observed optimum flotation of calcite and dolomite by carboxylic acids as a function of the starch consumption, and the subsequent depression of flotation,...

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The effect of sodium carbonate on the dispersion behaviour and ...

Keywords: sodium carbonate, nickel flotation, lizardite, pentlandite. .... improving the flotation performance of pyrite, which is depressed by lizardite (Feng and...

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Beneficiation of Phosphate Ores Containing Siliceous and Calcium ...

2) Anionic phosphate float with depression of the siliceous and calcium ... flotation feed, whereby most of the calcium carbonate gangue floated with the...

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Depression of Gangue Minerals Using Tailor-Made ... - The AusIMM

Carboxymethyl cellulose, CMC, is widely used in mineral processing as a flotation depressant, mainly for the depression of carbonate and talcaceous gangue in...

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Flotation separation of carbonate from sulfide minerals, II ...

Solution chemistry, zeta potential and Fourier transform infrared spectroscopic measurements were performed to study the mechanisms of selective depression...

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Pyrite Flotation With Xanthate Under Alkaline Conditions ...

dissolution of CO2, leading to calcium carbonate precipitation and adsorption onto pyrite surface. ... flotation circuit where pyrite is already depressed. Current.

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Patent EP0453677B1 - Depression of the flotation of silica or ...

Depression of the flotation of silica or siliceous gangue in mineral flotation .... float the clay carbonate gangue away from the sulfide ore which is then recovered...

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Modelling of pyrite depression process by lime in copper and zinc ...

Jun 26, 2012 ... INTRODUCTION. Flotation of copper or zinc sulphides by depression of the ... the mixture of cupric hydro-carbonate (pH <9) or cupric hydroxide...

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Flotation chemistry of complex sulphide ores : Recycling of Process ...

Hallimond flotation indicated depression of chalcopyrite, galena and sphalerite ... carbonate species on sphalerite were also revealed at pH 11.5 in the presence...

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