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phenol in froth flotation

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us4687571a - process for the froth-flotation of a

A process for the separation of phosphate minerals from a phosphate-carbonate ore, by flotation, wherein a phenol polymer such as a resol or a novolak, which improves the yield and selectivity of

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process for the froth-flotation of a phosphate mineral

When phenol polymers of this type are used in flotation, selectivity, concentrate purity and recovery, as well as the quality of the froth, improve. The use of phenol polymers enables conventional non-selective collector agents, such as fatty acids, amino acids and sulfonic

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us4466887a - polymer collectors for coal flotation

A method of increasing the yield of coal undergoing a concentration treatment of froth flotation by using as the collector an alkyl phenol formaldehyde condensate product having 4-5 phenolic nuclei with the alkyl group of said phenol having between 4-15 carbon atoms

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reagents used in the flotation of phosphate ores: a

Jul 01, 2003 · Froth flotation method has been an important part of the concentration process since the 1920s and today, more than half of the world’s marketable phosphate is produced by froth flotation. The literature on the processing of phosphate rocks by flotation is critically reviewed. ... (an ethoxylated octyl phenol surfactant from BASF Corp.)

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vermiculite flotation promoter - nalco chemical company

Vermiculite flotation promoter. United States Patent 4710285. Abstract: An improved method for the froth flotation recovery and/or grade of vermiculite from vermiculite containing rock and clay. It uses a composition comprising oil and between 2-60% by weight of an alkyl phenol formaldehyde condensation product. Inventors:

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us5096572a - froth flotation - google patents

A froth flotation apparatus includes a gas bubble-particle contact unit including a mixing means for breaking a gas into fine bubbles, such as a packed tower packing or mechanical agitation means, and a separate phase separation unit. A conditioned aqueous pulp containing a mixture of hydrophobic and hydrophilic particles and a substantially inert gas, such as air, are introduced into one end

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froth floatation cell - eco - english wiki

Sep 24, 2020 · Recipes at Froth Floatation Cell. Crafting Station Item Materials Level Needed Crafting Time (mins) Labour Cost XP Gained; Froth Floatation Cell. Copper Concentrate x2 Wet Tailings x2 Crushed Copper Ore x7 Mining Level 4 0.8 200 1 Froth Floatation Cell. Iron Concentrate x2 Wet Tailings x1 Crushed Iron Ore x5 Mining Level 4

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(pdf) reagents used in the flotation of phosphate ores: a

Froth flotation method has been an important part of the concentration process since the 1920s and today, more than half of the world’s marketable phosphate is produced by froth flotation

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the introduction of flotation frothers | cnfree

May 15, 2019 · Flotation frothers, also known as flotation foaming agent, is an essential flotation agent for froth flotation.The role of flotation frothers is mainly to produce a large amount of foam in the pulp, so that the available minerals are effectively enriched at the interface between air and water to create the conditions required for flotation process.The quality of flotation frothers directly

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process for removing humic matter from phosphoric acid

As stated hereinabove, the purpose of the phenol compound is to aid in the formation of froth in the subsequent flotation step, while, in addition, the phenol compound destabilizes the humic colloids which are present in the phosphoric acid solution

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wo2006086443a2 - process and composition for froth

froth flotation north america sasol Prior art date 2005-02-08 Application number PCT/US2006/004379 Other languages French (fr) Other versions WO2006086443A3 (en Inventor Paul A. Filler Duane J. Lewis Original Assignee Sasol North America Inc. Priority date (The priority date is an assumption and is not a legal conclusion

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us4263148a - process for removing humic matter from

A process is disclosed for removing colloidal and non-colloidal humic matter from an aqueous solution of phosphoric acid, the process comprising (a) treating the phosphoric acid solution with a flocculant to flocculate the humic matter, (b) adding to the aqueous solution an effective amount of a phenol compound in order to destabilize the colloidal humic matter contained in the solution and to

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oxide copper ore flotation using condensation reaction

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 in the slurry to float the oxide copper ores and recovering the concentrated oxide copper ores from the surface of the slurry, the improvement therein which comprises

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