• Process and apparatus for separating fine particles by ...

    article{osti_7032153, title = {Process and apparatus for separating fine particles by microbubble flotation together with a process and apparatus for generation of microbubbles}, author = {Yoon, and Adel, and Luttrell, }, abstractNote = {A method and apparatus are disclosed for the microbubble flotation separation of very fine ...

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  • US4472271A Froth flotation apparatus and process ...

    A nondiluting flotation apparatus and process is disclosed which includes a single cell, or a series of multiple cells. Each cell comprises a nonagitated, flotation vessel having a submerged inlet in its upper portion for feeding a previously treated or conditioned clay or ore suspension in water. The suspension flows downward in the vessel to an outlet from which a combined product and ...

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  • Apparatus and process for the separation of hydrophobic ...

    Sep 29, 1998· From the foregoing, it should be apparent that a novel microbubble flotation process and apparatus for separating fine particles as well as a process and apparatus for generation of microbubbles are disclosed, and that modifications as to the precise configurations, shapes and details and use of materials and steps in the process may be made by ...

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  • US6217777B1 Flotation apparatus and process Google Patents

    Flotation apparatus ( 1 ) for the purification of polluted water, comprising a flotation vessel ( 3 ) having an inlet means ( 23 ) for supplying polluted water to said vessel, an assembly ( 41 ) of spaced elements ( 43, 65 ) defining passages for the flow of water through said elements, and outlet means for surface sludge ( 15, 17 ) and outlet means ( 39, 45; 57, 61 ) for treated water ...

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  • US3428175A Process and apparatus for froth flotation ...

    1,058,914. Froth flotation. OUTOKUMPU OY. June 14, 1965, No. 25097/65. Heading B2H. Froth flotation apparatus operating under a common head of vacuum comprises a preconditioning and aerating unit 1, into which pulp and gas are introduced via pipes 3, 4, the pulp being fed via a pipe 6 into a flotation chamber 8. Additional gas is introduced via a pipe 13.

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  • CPC Definition B03D FLOTATION; DIFFERENTIAL ...

    Apparatus for separating solids from solids are covered by B03B when the process concerned is regarded as the equivalent of "washing" in the sense of the mining art, even if such apparatus is a pneumatic one, especially pneumatic tables or jigs. Screens per se are not covered by this subclass but are classified in B07B, even if they are being used in a wet process.

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  • Distillation Wikipedia

    Distillation is the process of separating the components or substances from a liquid mixture by using selective boiling and may result in essentially complete separation (nearly pure components), or it may be a partial separation that increases …

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  • Dissolved air flotation Wikipedia

    Dissolved air flotation (DAF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids. The removal is achieved by dissolving air in the water or wastewater under pressure and then releasing the air at atmospheric pressure in a flotation tank basin. The released air forms ...

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  • flotation Translation into German examples English ...

    Process and apparatus for the separation of foreign matter from a liquid by flotation. Flotation , Verfahren und Vorrichtung zur Trennung von Fremdkörpern aus Flüssigkeiten. Process for the recovery of silver from zinc leaching residues by flotation .

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  • ULF Cell—a Novel Design Principle for Pneumatic Froth ...

    Since an understanding of the flow hydrodynamics within the various “zones” of a flotation apparatus is of significance for the technical performance and efficiency of the flotation process, the aspects of flow hydrodynamics of the contact chamber, hydraulic laminator register and clarifying zone, are illuminated.

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  • Froth flotation apparatus and process Freeport Kaolin ...

    Sep 18, 1984· A nondiluting flotation apparatus and process is disclosed which includes a single cell, or a series of multiple cells. Each cell comprises a nonagitated, flotation vessel having a submerged inlet in its upper portion for feeding a previously treated or conditioned clay or ore suspension in water.

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  • Sink and Float Separation Process

    The Sink and Float Separation Process is an alternative to the progressive depletion, during the last quarter century, of ores which could be economically treated by the old methods of gravity concentration necessitated the development of more efficient methods of concentration, the most successful and widely used of these methods being the Flotation Process.

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  • Apparatus and process for the separation of hydrophobic ...

    article{osti_672629, title = {Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles}, author = {Yoon, and Adel, and Luttrell, }, abstractNote = {A method and apparatus are disclosed for the microbubble flotation separation of very fine and coarse ...

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  • Froth Flotation Process Mineral Processing Metallurgy

    FROTH FLOTATION “So many variables influence flotation that it will be long before every one of them can be investigated and its influence on the process determined.” The froth flotation process was patented by E. , H. F. K. Pickard, and John Ballot in 1906, 19 years after the first cyanide process patents of MacArthur and the Forests.

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  • Cascade flotation process and apparatus for carrying out ...

    Jan 25, 1984· CASCADE FLOTATION PROCESS AND APPARATUS FOR CARRYING OUT THE PROCESS. The flotation principle as applied to the recovery of minerals or metals from ore has been known for the last century, an example of a known froth flotation apparatus being shown in Canadian Patent Specification No. 167,476 issued on February 8th 1916 to Minerals Separation American …

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  • RoeHoan Yoon Inventions, Patents and Patent Applications ...

    Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles ... Also disclosed are unique processes and apparatus for generating microbubbles for flotation in a highly efficient and inexpensive manner using either a ...

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  • Diffused Air / Dissolved Air Flotation Test Apparatus ...

    The OFITE Diffused Air / Dissolved Air Flotation Test Apparatus (DADAFTA) allows the user to simulate the DAF process on a small scale. The DADAFTA can be used to measure the floatability of a particular sludge when designing treatment plants and to evaluate chemical flotation …

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  • FLOTATION; DIFFERENTIAL SEDIMENTATION (sedimentation …

    Flotation type separation apparatus or methods that include one or more of the following: • Flotation agents according to the chemical constituents • Frothflotation processes, , carrier flotation, flotation processes adapted for the flotation of fines, control of flotation processes; • Agent recovery;

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  • Induced gas flotation Wikipedia

    Induced gas flotation (IGF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids. The removal is achieved by injecting gas bubbles into the water or wastewater in a flotation tank or basin.

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  • US20190126292A1 Method for constructing a flotation ...

    The flotation apparatus includes a flotation vessel and a cover for closing an upwards open opening of the flotation vessel, wherein the cover and the flotation vessel limits a vessel space for receiving fluid, and an agitating means having a rotatable axis extending through a first aperture in the cover. The rotatable shaft is rotatable supported at a bearing housing outside the vessel space.

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  • Separation process Wikipedia

    A separation process is a method that converts a mixture or solution of chemical substances into two or more distinct product mixtures. At least one of results of the separation is enriched in one or more of the source mixture's constituents. In some cases, a separation may …

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  • Flotation Tests with Homemade Flotation Equipment DIY

    By modelling the basic flotation equipment from the early 1900’s you see that most can hobby prospectors can build or assemble basic froth flotation equipment using all the machines and concepts explained below and perform homebased flotation tests.

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  • US Patent for Frothless flotation apparatus Patent (Patent ...

    A novel apparatus for use in frothless flotation. The apparatus includes a cover which is sealingly engaged to the top of the flotation column and a washwater tank in communication with the upper part of the flotation column wherein the level in the washwater tank is maintained at or above the level of the cover thereby preventing the formation of a froth layer in the column.

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  • History of Flotation Patents Mineral Processing Metallurgy

    The apparatus required had already been used in other branches of wet metallurgy, so that we have been spared one source of trouble, at least. The litigation, which is now a serious obstacle to the free development of the process, has arisen largely from confusion of ideas as to the underlying causes of flotation.

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  • WO1997020775A1 Flotation apparatus and process Google ...

    FLOTATION APPARATUS AND PROCESS. The present invention relates to the purification of polluted water, such as surface water, ground water as well as sewage water, and relates more specifically to an apparatus for such purification and to a process that can be performed in such apparatus.

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  • Laboratory Flotation Equipment Testing

    The apparatus listed in the following pages comprises the equipment necessary for complete and thorough testing of flotation processes. Some of it can be omitted where the problems to be studied are of a special character.

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  • WATER CLARIFICATION BY FLOTATION 1

    WATER CLARIFICATION BY FLOTATION 1 A survey of the literature CONTENTS Page 1. INTRODUCTION 1 2. PRINCIPLES OF FLOTATION 2 ... THE POTENTIAL OF FLOTATION PROCESSES IN WATER 23 TREATMENT 6. CONCLUSIONS 26 ... The apparatus used is generally termed a flotation cell and when surfaceactive agents,

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  • Apparatus for the separation of hydrophobic and ...

    article{osti_869783, title = {Apparatus for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles}, author = {Yoon, RoeHoan and Adel, Gregory T. and Luttrell, Gerald H.}, abstractNote = {An apparatus is disclosed for the microbubble flotation separation of very fine and coarse particles ...

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  • Gold Mining Process Development – Denver Mineral Engineers

    to additional flotation steps to increase product purity. The flotation process in general does not float free gold particles but is particularly effective when gold is associated with sulfide minerals such as pyrites. In a typical pyrytic gold ore, the gold is encapsulated within an …

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  • Flotation an overview | ScienceDirect Topics

    Flotation is widely used to separate valuable minerals from the rock and fine coal particles from clay, silt, shale, and other ashproducing matter. It is usually preceded by crushing and finely grinding the ore to liberate valuable particles in a host rock, and may be followed by metallurgical processes.

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  • Diffused Air Dissolved Air Flotation Test Apparatus ...

    If flotation is not complete after 10 minutes, make a note, then change one or more of the test parameters (air pressure, type/amount of flotation aid, recycle retention time, flotation detention time) and run the test again. Make note of any settling of solids. 11. At the end of the flotation detention time, record the amount of float

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  • Apparatus for the separation of hydrophobic and ...

    article{osti_27694, title = {Apparatus for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles}, author = {Yoon, and Adel, and Luttrell, }, abstractNote = {An apparatus is disclosed for the microbubble flotation separation ...

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  • (PDF) "Flotation" in Ullmann's Encyclopedia of Industrial ...

    PDF | 1. Introduction Interfacial Energies and Contact Angle Hydrophobic and Hydrophilic Solids 2. Historical Development of Flotation Early Flotation Processes and Apparatus

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