patent us froth flotation of insoluble

  • Froth flotation of insoluble slimes from sylvinite ores

    A froth flotation process for removing insoluble slimes from sylvinite ore in a saturated brine pulp prior to potash flotation, comprising utilizing as the froth flotation collector a mixture of distilled fuel oil and a defoamer consisting essentially of ethylene glycol monoacetate and floating off said insoluble slimes. 2.

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  • US Patent for Froth flotation column Patent (Patent

    Accordingly, it is an object of this invention to provide froth flotation apparatus in which slurry is aerated before it encounters the impeller to reduce power draw on the impeller. It is another object of this invention to provide froth flotation apparatus which produces a fine bubble and which has good quiescent zones both above and below the impeller.

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  • Method for the froth flotation of coal (Patent) OSTI.GOV

    In the concentration of metallic and non-metallic minerals by froth flotation with a high content of pyrite and the like iron sulfides, which includes the subjecting of such ores when finely ground and sized to substantially liberate particles of pyrite, to froth flotation process in the presence of any suitabl E and adeuqate collector and frother for desired metallic and non-metallic mineral for the recovery of the

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  • US2130574A Flotation of carbonaceous ores Google

    In a method of froth flotation of minerals from carbonaceous ores in the presence of a collecting reagent, a step which comprises adding calcium lignin sulphonate to a pulp of the ore, and subjecting the pulp to froth flotation in the presence of said lignin sulphonate and

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  • US Patent for Flotation and sintering of synthetic

    froth flotating the insoluble residue containing the manganese carbonate to produce a manganese carbonate concentrate; and, sintering the manganese carbonate concentrate to remove carbon dioxide, moisture and other volatiles to produce a synthetic manganese oxide containing greater than 50% Mn.

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  • (PDF) Froth Flotation, as a Remediation Process

    Flotation as a separation process for mercury-containing soil w as already subject of US patent 5,244,492 A [12], where flotation was used to separateinsoluble (visible/metallic ) mercury only.

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  • Method for the froth flotation of coal (Patent) OSTI.GOV

    @article{osti_6663644, title = {Method for the froth flotation of coal}, author = {Hansen, R D and Klimpel, R R}, abstractNote = {A method is described for recovering coal from a coal ore containing coal and non-combustible mineral matter which comprises the step of floating coal in a frothing aqueous medium containing an oxygen containing compound of the formula: R/sub 1/-)-R/sub 2/ wherein R

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  • (PDF) Froth Flotation, as a Remediation Process

    Flotation as a separation process for mercury-containing soil w as already subject of US patent 5,244,492 A [12], where flotation was used to separateinsoluble (visible/metallic ) mercury only.

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  • Beneficiation of coal and metallic and non-metallic ores

    OSTI.GOV Patent: Beneficiation of coal and metallic and non-metallic ores by froth flotation process using polyhydroxy alkyl xanthate depressants. Beneficiation of coal and metallic and non-metallic ores by froth flotation process using polyhydroxy alkyl xanthate depressants.

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  • AU 1982/079853 A Froth Flotation The Lens Free

    3. Apparatus for froth flotation separation of the components of a slurry as claimed in claims 1 or 2 wherein the spray nozzle is adapted to be positioned at a spaced apart distance from said surface of a liquid in said tank. 4. Apparatus for froth flotation separation of

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  • Froth flotation Wikipedia

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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  • Update on Lithium Extraction Technology Provisional

    This prior art comes from United States Patent 4098687, Published 07/04/1978 and titled ‘ Beneficiation of lithium ores by froth flotation’. This patent is now in the public domain. (), the lithium values fraction of lithium-containing ores is floated from gangue slimes, preferably without the use of a desliming step, by a froth

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  • FROTH FLOTATION- SWAPNIL NIGAM SlideShare

    10/28/2011· froth flotation- swapnil nigam 1. f r o t h f l o a t n t i o a presentation on prepared by:- swapnil nigam guided by:- prof.

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  • Dynamic froth stability in froth flotation ScienceDirect

    11/1/2003· Batch flotation experiments were also carried out varying the ratio of the froth depth to the maximum froth height (H/H max ≈1, 0.8 and 0.2) in order to measure α (complementary to the bubble bursting fraction: 1−α) and to relate it to the maximum froth height (H max) previously measured under the same conditions.

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  • (PDF) Handbook of Flotation Reagents Chemistry,

    Handbook of Flotation Reagents Chemistry, Theory and Practice: Flotation of Sulfide Ores. Serkan Gökçen. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 36 Full PDFs related to this paper. READ PAPER.

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  • (PDF) DESIGN OF FLOTATION CIRCUITS WITH

    PDF As the size of conventional flotation cells increases, the proportional increase in surface area is smaller than that of the volume increase. This Find, read and cite all the research

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