us patent apparatus for gas bubble flotation

US3446488A Gas bubble generating and Google Patents

US3446488A US3446488DA US3446488A US 3446488 A US3446488 A US 3446488A US 3446488D A US3446488D A US 3446488DA US 3446488 A US3446488 A US 3446488A Authority US United States Prior art keywords water housing gas bubbles tank Prior art date 19660808 Legal status (The legal status is an assumption and is not a legal conclusion.

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.

FLOTATION APPARATUS ENVIROTECH CORP.

In brief, the invention provides ways and means for flotation in which improved mixing of the primary feed and aeration streams is accomplished and flotation efficiency is further enhanced by separation of undesirably large gas bubbles prior to flotation. The flotation apparatus comprises an elongated, usually rectangular flotation tank, a surface skimming means for froth removal, a bottom

Floatation method and apparatus Free Patents Online

Flotation apparatus (10) for removing finely divided bodies of an insoluble substance dispersed in an aqueous medium, such as oil and solids dispersed in water, comprises a vertical flotation column (12) having a feed inlet (14) and an outlet (22) for the aqueous medium, a sparging system (16) for generating gas bubbles rising upwardly in the aqueous medium to capture and raise the finely

US20130075338A1 InducedGas Flotation Google Patents

Prior art horizontal inducedgas floatation cells use a series of solid baffles and weirs to promote a downward and countercurrent motion of the produced water and gas (see e.g. FIG. 6). Typically, two to four cells are used to obtain the desired water quality.

US Patent Application for MICROBUBBLE INDUCED GAS

The apparatus for introducing the microbubbles to be comingled with the first induced gas flow includes a static mixer, a DGF pump, eductor and a series of globe valves which can be part of the gas flotation system or retrofitted to an existing gas flotation system.

WO2015191730A1 A microbubble induced gas flotation cell

The apparatus for introducing the microbubbles to be comingled with the first induced gas flow includes a static mixer, a DGF pump, eductor and a series of globe valves which can be part of the gas flotation system or retrofitted to an existing gas flotation system.

Froth flotation apparatus Free Patents Online

The invention provides froth flotation apparatus for concentrating hydrophobic particles in an aqueous pulp containing a mixture of hydrophobic and hydrophilic particles, which apparatus includes a gas bubbleparticle contact unit and a separate phase separation unit.

US3428175A Process and apparatus for froth flotation

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. Froth is collected by a section 10 and directed into a bubble column 19.

US3966598A Circular dissolved gas flotation system

A circular dissolved gas flotation system is provided for increasing the loading rate with increasing size flotation basins. The dissolved gas flotation system includes a submerged annular release chamber located about the periphery of the flotation basin for peripherally introducing particlecarrying liquid and gas bubbles uniformly into the flotation basin.

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