序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
181 JPS4997454A - JP13821873 1973-12-13 JPS4997454A 1974-09-14
1427216 Clarifying water INGERSOLLRANDCO 22 Nov 1973 [13 Dec 1972] 54162/73 Heading C1C Apparatus for clarifying water containing solid material, comprising a vessel containing a clarifying chamber including an upper portion and a lower portion open to the lower end of said upper portion, said lower portion being of greater horizontal side-to-side dimension than the lower end of said upper portion and projecting beyond at least one side of the lower end of said upper portion, wall means overlying said lower portion beyond at least said one side of the lower end of said upper portion for directing rising gaseous bubbles and buoyant solid material in said lower portion towards the lower end of said upper portion, liquid discharge means for discharging clarified water from said lower portion spaced outwardly of at least one side of the lower end of said upper portion, a cross-sectional area in a vertical direction of said lower portion in the path of the liquid from said upper portion lower end to said liquid discharge means being greater than the cross-sectional area of said upper portion lower end, whereby to reduce the rate of flow of liquid as compared with its rate of flow downwardly through the upper portion lower end, influent water supply means for supplying influent water to said upper portion spaced above the lower end of said upper portion, has supply means for supplying gaseous bubbles to said clarifying chamber spaced vertically between said influent water supply means and said liquid discharge means, and solid material discharge means for discharging solid material accumulating at the upper end of said upper portion.
182 JPS4996559A - JP13821773 1973-12-13 JPS4996559A 1974-09-12
1396250 Purifying water by gas-stimulated flotation IMPROVED MACHINERY Inc 22 Nov 1973 [13 Dec 1972] 54164/73 Heading C1C Apparatus suitable for clarifying influent waters such as sewage and other slurries utilizing gas-stimulated flotation of the solid material in the influent water comprises a vessel with a vertical clarifying chamber (10); influent water supply means (52) for upwardly supplying water substantially above the lower end; gas supply means (54), arcuately spaced, which produces gaseous bubbles immediately adjacent to their discharge substantially below the influent water supply; solid discharge means (22) adjacent to the upper end of the clarifying chamber; liquid discharge means (28); the position of the clarifying chamber between the gas inlet and liquid inlet (56) being free of transversely extending separating media to permit the gaseous bubbles to rise readily and cause upward movement of solid material contained in the influent water while liquid influent is discharged downwardly. The apparatus and methods may also be employed for clarifying a mineral/liquid, fibre/ liquid, or other slurry where solids recovery is of paramount interest. Gases other than air may be used for effecting the flotation separation.
183 JPS4837301A - JP7160571 1971-09-14 JPS4837301A 1973-06-01
A flotation machine for recovering valuables or concentrates from a raw material, which comprises: a flotation cell having at least one froth-discharging opening located at the lower part of a side wall of said cell; an agitating means fitted within the central part of said cell; and at least one froth-discharging pipe fixed within said cell, the one end opening of said pipe being connected with said froth-discharging opening of said cell and the other end opening of said pipe being held at a level lower than the upper end of said side wall but higher than the surface level of the pulp or liquid charged to be subjected to flotation, thereby forming at least one froth-discharging passage within said cell.
184 Micro-bubble induced gas flotation cell and method of operating same US14735869 2015-06-10 US10086315B2 2018-10-02 Frank Richerand, Sr.; Frank Richerand, II; Yoosef Peymani
A method and apparatus for separating two fluids, one lighter in specific gravity than the other, including the steps of providing a single vessel, having a primary separation chamber and a gas flotation chamber; separating fluids in the primary separation chamber to allow for free and suspended solids along with free oil and grease and gas to be removed from the fluids in the primary separation chamber; flowing the fluids into the gas flotation chamber portion; providing a first induced gas flow; combining a second gas flow of micro-bubbles with the first gas flow; and introducing the combined gas flow into the gas flotation chamber portion to provide a source of micro-sized dispersed bubbles in the fluid to accelerate the lift necessary for separation of fine oil droplets, emulsified oil droplets, from the water flowing in the flotation chamber portion. The apparatus for introducing the micro-bubbles 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.
185 Removing carbon nanotubes from a water system US14395450 2013-04-10 US09975793B2 2018-05-22 Robert D. Denton; Dallas B. Noyes; Russell J. Koveal, Jr.; Terry A. Ring
Methods and a system for removing carbon nanotubes from a water stream are provided herein. The system includes a purification vessel, wherein the purification vessel is configured to form a carbon oxide from the carbon nanotubes within the water stream.
186 Apparatus and method for separation of hydrocarbons from hydrocarbon-containing produced water US14360551 2012-11-28 US09950281B2 2018-04-24 Jorn Folkvang
The present invention relates to an apparatus for separation of hydrocarbons from hydrocarbon-containing produced water, comprising; a separator tank, at least one inlet tube (22, 27), at least one branch means (6) distributing the produced water stream, at least one outlet nozzle (7) and at least one guide vane (8.1) mounted under each outlet nozzle and leading water over the next outlet nozzle; at least one outlet (12) in the bottom of the tank for cleaned water and at least one outlet (9, 35, 36) rejecting rising gas with adherent oil droplets, at least one shroud (39) is arranged entirely or partly along the inside of at least one guide vane (8.1) in an angle of 30° to 150° related to the at least one guide vane (8.1). Further the invention relates to a process for separation of hydrocarbons from hydrocarbon-containing produced water.
187 METHOD AND DEVICE FOR WET FLUE-GAS DESULFURIZATION US15558360 2016-04-01 US20180093220A1 2018-04-05 Wakako Shimohira; Hirofumi Kikkawa; Atsushi Katagawa
In order to heighten the recovery of activated carbon by separation in a flotation device and stably inhibit mercury from being re-emitted in a desulfurization/absorption tower and from coming into gypsum to be recovered, a method is provided, the method comprising: adding activated carbon to an absorption liquid to be sprayed into the desulfurization/absorption tower to thereby remove mercury components from the flue gas simultaneously with desulfurization of the flue gas; sending the absorption liquid used for the desulfurization to the flotation device to thereby form a foam bubble layer; reducing the drainage volume so that the physical properties of the bubble layer are within given ranges, in such an amount that the concentration of chlorine ions in the absorption liquid does not exceed a given value; and simultaneously adding Ca and/or Mg ions and a frothing agent to the absorption liquid.
188 Flocculation basin inclusion or exclusion type water treatment apparatus using dissolved air flotation US14679308 2015-04-06 US09839918B2 2017-12-12 Sung Won Park; Byung Sung Park
Disclosed herein is a flocculation basin inclusion ion type water treatment apparatus using dissolved air floatation which includes: a flocculation basin which forms flocs by mixing a coagulant inserted into feed water and grows up the flocs; a contact zone to which fine bubbles are induced through a nozzle disposed at a lower part; and a separation zone which removes the flocs when the fine bubbles are attached to the flocs and the flocs float on the surface of water, the flocculation basin inclusion type water treatment apparatus including: a fine bubble forming part configured to separate a portion of the feed water at an upstream side of the flocculation basin by piping, configured to form saturated water using the separated portion of the feed water and configured to supply the saturated water to the nozzle.
189 Cleaning method of contaminated soils US14967117 2015-12-11 US09694402B1 2017-07-04 Seung Woo Lee; Jae Won Lee
The present disclosure relates to a method for cleaning contaminated soil including a process which grinds contaminated soil to separate contaminants present on the surface of the contaminated soil from the soil, and a process which injects air into a mixture of water and contaminated soil having undergone the surface grinding process to generate air bubbles and removes only the generated air bubbles to remove the contaminants included in the air bubbles.
190 CLEANING METHOD OF CONTAMINATED SOILS US14967117 2015-12-11 US20170165727A1 2017-06-15 Seung Woo LEE; Jae Won LEE
The present disclosure relates to a method for cleaning contaminated soil including a process which grinds contaminated soil to separate contaminants present on the surface of the contaminated soil from the soil, and a process which injects air into a mixture of water and contaminated soil having undergone the surface grinding process to generate air bubbles and removes only the generated air bubbles to remove the contaminants included in the air bubbles.
191 Low energy microbubble generation system and apparatus US14719882 2015-05-22 US09643140B2 2017-05-09 Jose Antonio Ramirez
A bubble generation system includes a gaseous pressure source supplying a gas flow and a wave inducer including a first inlet in fluid communication with the gaseous pressure source to receive the gas flow and a first outlet. The wave inducer transitions the gas flow into a pulsating acoustic wave that exits the wave inducer through the outlet. The bubble generation system also includes a diffuser fluidly coupled to the outlet of the wave inducer. The diffuser is configured to produce bubbles from the gaseous pressure source. The bubble generation system further includes a vent passageway fluidly coupled between the wave inducer and the diffuser. The vent passageway is configured to be in fluid communication with an ambient environment.
192 ENGULFED NANO/MICRO BUBBLES FOR IMPROVED RECOVERY OF LARGE PARTICLES IN A FLOTATION CELL US14799432 2015-07-14 US20170014834A1 2017-01-19 Julia Baldauf; Alexe Bojovschi; Stephen Moore
A method of recovering particles from a liquid, a froth flotation apparatus, and a method of recovering particles in a flotation cell are disclosed. In an embodiment, the method comprises a technique of exposing the particles to first-size bubbles having a first predetermined size; the first-size bubbles adhering to the particles; and exposing the particles in a liquid, with the first-size bubbles adhering to the particles, to second-size bubbles having a second predetermined size, the second predetermined size being at least approximately ten times larger than the first predetermined size. The method further comprises the second-size bubbles adhering to the particles and engulfing the first-size bubbles on the particles; and using the second-size bubbles adhering to the particles to recover the particles from the liquid. In one embodiment a first surfactant is used to form the first-size bubbles, and a second surfactant is used to form the second-size bubbles.
193 Facility for removal of materials and/or polluting substances contained in watercourses US14360557 2012-11-21 US09517957B2 2016-12-13 Joao Carlos Gomes De Oliveira; Procopio Gomes De Oliveira Netto; Felipe Gomes De Oliveira
“IMPROVEMENT ON FACILITY FOR REMOVAL OF MATERIALS AND/OR POLLUTING SUBSTANCES CONTAINED IN WATERCOURSES”, applied to facility comprising: the implementation of a sandbox arranged at the bottom and in a stretch of the watercourse, followed by a floating garbage fence arranged substantially transversely to the watercourse; whereas downstream and at a certain distance from this garbage fence is provided a suspended and transverse metallic structure to the watercourse, in which curtains for selective injection and automatically set in motion are mounted, arranged spaced and interspersed by homogenization diffusers, these curtains are responsible for the injection of coagulants; by the injection of polymers into the watercourse to be treated, and ahead there is a phase for release of microbubbles of air, causing a flotation of these aggregate particles; allowing that from this flotation stretch arises, along the watercourse, a superficial agglomeration of the floated material, and the conduction by flexible and longitudinal barriers formed by synthetic membranes of this floated material to a transverse alignment of dredging modules, that extend through the entire watercourse's width promoting the concentration of floated material and its removal. This improvement consisting of all equipment (3, 4, 7) originally installed transversally the watercourse, which are subject to partial or total removal from this transverse condition, allowing the clearance of part and/or entire bed of the watercourse.
194 Gas flotation tank US13975750 2013-08-26 US09409796B2 2016-08-09 Todd William Kirk; Daniel Clifford Whitney; Douglas Walker Lee
A gas flotation tank is provided that includes a series of adjacent chambers which impart a rotational current therein. Each chamber is separated from a skim oil trough by a skimming weir. Each chamber comprises an alternating fluid communication device between adjacent chambers allowing fluid communication between adjacent chambers in the form of a communication port in the dividing wall between adjacent chambers and a chamber outlet in conjunction with a perforated plate and the outlet is positioned in fluid communication with the final chamber.
195 GAS FLOTATION TANK US14914610 2014-08-08 US20160214033A1 2016-07-28 Todd William Kirk; Daniel Clifford Whitney; Douglas Walker Lee
A gas flotation tank is provided that includes a series of adjacent chambers which impart a rotational current therein. Each chamber is separated from a skim oil trough by a skimming weir. Each chamber comprises an alternating fluid communication device between adjacent chambers allowing fluid communication between adjacent chambers in the form of a communication port in the dividing wall between adjacent chambers and a chamber outlet in conjunction with a perforated plate and the outlet is positioned in fluid communication with the final chamber.
196 Foaming of liquids US14516040 2014-10-16 US09399200B2 2016-07-26 David Livshits; Lester Teichner
A foaming mechanism configured to receive a plurality of streams of gas and generate a foamed liquid, having an aerodynamic component and an aerodynamic housing disposed around at least a portion of the aerodynamic component. The aerodynamic housing includes a plurality of first channels and a plurality of second channels connected to the plurality of first channels at regular intervals on a distributed plane. The distributed plane is about perpendicular to the plurality of first channels, wherein the plurality of first channels and the plurality of second channels are configured to transform an axial stream of the gaseous working agent into a plurality of radial high-speed streams of the gaseous working agent by channeling the gaseous working agent through the plurality of first channels and into the plurality of second channels on the distributed plane. A hydrodynamic conical reflector and a hydrodynamic housing form a ring channel in an area between the hydrodynamic conical reflector and the hydrodynamic housing. An accumulation mechanism is configured to disperse the plurality of radial highspeed streams of the gaseous working agent into the ring channel and create turbulence to foam the liquid.
197 Method and apparatus for separation of multiphase fluids, and applications thereof US12865423 2009-02-02 US09315394B2 2016-04-19 Atle Mundheim
A method for pre-separation of multi phase fluids of liquid-liquid phase and/or liquid-gas phases and/or gas-liquid phases, is disclosed, wherein one or more of the phases is suspended in water with bubble /drop/particle sizes in the sub micron and micron area and/or fine particular organic or inorganic matter is present in one or more of the phases, and where the device is placed in or in connection to a cyclone or flotation tank. The method is characterized by the fluid phases being made to flow through a tube which forms a spiral shape, in order to bring about an initial phase separation (coalescence) in the spiral shape, and the phases being led continuously tangentially out of the spiral shape in a cyclone—or flotation chamber wherein the further separation is generated. An apparatus to accomplish the method and applications thereof are also disclosed.
198 FLOTATION APPARATUS US14738043 2013-12-09 US20150367354A1 2015-12-24 David Douglas Lloyd
A flotation apparatus 110 includes a separation chamber 112 with six separation vessels 114 located around the periphery of the chamber 112. A tangential inlet 122 is provided for each vessel 114 through which a mixture of oil and water passes into the vessels 114, with separation occuring as some of the material carried by bubbles weirs over the top of the vessels 114. Separated oil passes out through an oil outlet 126 in an upper part of the chamber 124, and gas passes out through a gas outlet 130 at the top of the chamber 124.
199 LOW ENERGY MICROBUBBLE GENERATION SYSTEM AND APPARATUS US14719882 2015-05-22 US20150336112A1 2015-11-26 Jose Antonio Ramirez
A bubble generation system includes a gaseous pressure source supplying a gas flow and a wave inducer including a first inlet in fluid communication with the gaseous pressure source to receive the gas flow and a first outlet. The wave inducer transitions the gas flow into a pulsating acoustic wave that exits the wave inducer through the outlet. The bubble generation system also includes a diffuser fluidly coupled to the outlet of the wave inducer. The diffuser is configured to produce bubbles from the gaseous pressure source. The bubble generation system further includes a vent passageway fluidly coupled between the wave inducer and the diffuser. The vent passageway is configured to be in fluid communication with an ambient environment.
200 STATOR FOR FLOTATION MACHINES US14440225 2013-11-06 US20150251192A1 2015-09-10 Keri Caldwell; Timothy J. Olson; Ronney Rogerio Rodrigues Silva; Yihong Yang; Donald J. Foreman
A flotation machine includes a stator positioned in a tank adjacent a rotor. The stator has a plurality of vanes. Each of the vanes has a plurality of slots formed therein. Each of the slots has a shape that is elongated in a direction along the width of the vane in which the slot is formed. Each of the vanes is spaced apart from the other vanes to which that vane is adjacent. The vanes are positioned in series adjacent a periphery of the stator to define a central opening within the stator that is sized such that the rotor of a flotation machine may be positioned therein. The stator may be retrofitted onto a prior flotation machine installation. For instance, a stator may be offered for sale and then installed onto a flotation machine. A previous stator may be removed before the installation of the new stator.
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