WO2009148265A2 - 하이드로사이클론 부상분리장치 및 이것을 포함하는 수질오염 방지시스템 - Google Patents
하이드로사이클론 부상분리장치 및 이것을 포함하는 수질오염 방지시스템 Download PDFInfo
- Publication number
- WO2009148265A2 WO2009148265A2 PCT/KR2009/002963 KR2009002963W WO2009148265A2 WO 2009148265 A2 WO2009148265 A2 WO 2009148265A2 KR 2009002963 W KR2009002963 W KR 2009002963W WO 2009148265 A2 WO2009148265 A2 WO 2009148265A2
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- WIPO (PCT)
- Prior art keywords
- water
- hydrocyclone
- hydrocyclone body
- pipe
- water inlet
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C1/00—Apparatus in which the main direction of flow follows a flat spiral ; so-called flat cyclones or vortex chambers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
- B03D1/028—Control and monitoring of flotation processes; computer models therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1418—Flotation machines using centrifugal forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/24—Pneumatic
- B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
Definitions
- the present invention relates to a hydrocyclone flotation separator for separating suspended substances in a liquid and a water pollution prevention system including the hydrocyclone flotation separator.
- the removal of algae is a method of introducing algae killing drugs or filtering algae by the media. Both of these are simple treatments, but in the former case, the toxicity of the drug and the secondary pollution caused by the carcasses of algae can be caused. In the latter case, the processing speed is slow and the cost is high, making it difficult to apply. have.
- An object of the present invention is to provide a hydrocyclone floating suspended solids separation apparatus and a water pollution prevention system including the same, which is economical and applicable to a large-scale object.
- a hydrocyclone body having a water inlet and configured to pivot water introduced into the water inlet in a predetermined direction and having a water outlet for discharging the water from the lower portion; Air injection means for injecting air into the water flowing into the water inlet; A displacement control means for controlling the amount of water discharged from the water outlet to maintain a constant level in the hydrocyclone body; It is dispersed in the water supplied to the hydrocyclone body and the water meets the center of the water surface and the swirl flow in the hydrocyclone body by the buoyancy force of the air foam injected into the water while the water flows through the hydrocyclone body
- a hydrocyclone flotation separator is provided that includes a suspended solids removal means for collecting suspended suspended solids that collect into a portion and collect at a constant height.
- the hydrocyclone body has a circular cross section and a water inlet pipe is tangentially connected to the circumference thereof so that the water inlet pipe is connected to the water inlet and a drain pipe is connected to the lower part so that the water outlet can be the water outlet.
- the water inlet pipe is provided with a plurality may be connected in the same tangential direction to the hydrocyclone body.
- the displacement control means may comprise a valve.
- the suspending material removing means includes a suspending material collecting pipe, wherein the suspending material collecting pipe may be arranged such that an inlet thereof corresponds to a swirl flow center portion of the water below the water surface in the hydrocyclone body.
- a pump for pumping water from the intake source to the desired place A conduit for receiving and transporting the water pumped out; A chemical injection means installed in the pipeline and injecting a chemical for treating water into the water flowing along the pipeline;
- the water pollution prevention system including the hydrocyclone flotation separator described above as separating the suspended substance in the water in which the chemical is injected is installed in the pipeline is provided.
- the water pollution prevention system may further include biological water purification means installed in the pipeline and treating water flowing into the hydrocyclone flotation apparatus along the pipeline using microorganisms.
- Hydrocyclone flotation device according to an embodiment of the present invention and a water pollution prevention system including the same is effective in the suspension of water, such as water, wastewater, sewage or suspended substances such as algae or sludge contained in this water during the purification process As it can be removed quickly, the installation cost can be reduced and the land area can be reduced, which is very economically advantageous and easy to operate.
- the hydrocyclone flotation device is small in size, and can be installed and operated on a ship or a floating body to directly purify polluted rivers or lake water at a necessary site.
- FIG. 1 is a block diagram showing a water pollution prevention system according to a first embodiment of the present invention.
- FIG. 2 is a perspective view of the hydrocyclone floating separator shown in FIG. 1.
- Figure 3 is a conceptual diagram of the suspended matter floating principle of the hydrocyclone flotation separator shown in FIG.
- Figure 4 is a block diagram showing a water pollution prevention system according to a second embodiment of the present invention.
- hydrocyclone flotation device 10 hydrocyclone body
- drain pipe 16 drainage control means
- the first embodiment is a water intake pump 32 installed to be able to pump water (hereinafter, raw water) of the water intake source 30 to the water intake source 30 side, the raw water discharged by the water intake pump 32
- Water supply pipe 34 for transporting the raw water to the fresh water destination 40 to be accommodated
- at least one air injection means and chemical injection means for injecting air and chemicals necessary for treatment into the raw water flowing along the water supply pipe 34, respectively
- at least one stirring facility 36 for mixing the injected chemicals
- a hydrocyclone flotation separator for separating various suspended substances (algae, etc.) in the raw water mixed by the stirring facility 36 from the raw water by the flotation method ( 1), and further includes a scum storage means (56).
- the intake source 30 may be a stream or an appeal
- the fresh water destination 40 may be another stream or an appeal, an artificial reservoir.
- the intake source may soon be a freshwater source.
- Intake pump 32 provides the pressure necessary to pump the raw water out of the intake source 30 and to deliver the raw water to the freshwater destination 40.
- the water supply pipe 34 providing a pipeline through which raw water flows may be configured as a pressure resistant pipe made of steel.
- an open conduit eg, U-shaped conduit
- U-shaped conduit may be applied to provide an open pipeline.
- air injection means In the water supply pipe 34, air injection means, chemical injection means, stirring facility 36, hydrocyclone floating separator 1 are sequentially coupled in a direction in which raw water flows, among which the installation position of the air injection means is It may be changed between the stirring facility 36 and the hydrocyclone flotation separator 1 as represented by the dashed line in FIG.
- one or more transfer pumps may be provided between processes.
- the air injection means is provided with an air injection facility 50 composed of an air compressor, a compressed air storage tank, an injection pressure regulator, a flow regulator, etc., and can provide compressed air, and easily adjust the pressure and amount of the compressed air injected. Can be.
- the air injection means may alternatively be configured to inject compressed water, that is, pressurized water.
- the chemical injection means includes a coagulant injection facility 51 for supplying a flocculant as a treatment drug to the raw water into which air is injected, and a pH drug injection facility 52 for supplying pH chemicals divided into acids and bases.
- a coagulant injection facility 51 for supplying a flocculant as a treatment drug to the raw water into which air is injected
- a pH drug injection facility 52 for supplying pH chemicals divided into acids and bases.
- any other drug injection facility may be added if necessary to treat the raw water.
- the flocculant injection facility 51 may be made of a flocculant dissolution tank, a flocculant solution storage tank, an injection pump, or the like. In this case, in the case of the injection pump, it is preferable that the metering pump is applied. When the metering pump is applied, a liquid coagulant can be provided, and the amount of the coagulant injected can be freely specified. The coagulant may be used alone or in combination of any one of an inorganic coagulant and an organic coagulant.
- the pH chemical injection facility 52 is not provided separately, and the flocculant injection facility 51 may be configured to inject the pH chemicals together with the flocculant.
- the stirring system 36 includes an impeller and its rotating means, and the impeller rotating means includes a motor.
- the water supply pipe 34 may generate turbulence of raw water therein, and may artificially bend a portion thereof in a zigzag to assist in the generation of turbulence, and when the turbulence is sufficiently generated, the agitator 36 may be omitted. .
- FIG. 2 is a perspective view of the hydrocyclone flotation apparatus 1 shown in FIG. 1.
- Hydrocyclone flotation separator (1) is to remove the suspended substances by causing the suspended matter in the raw water is attached to the microbubble or forcedly injected microbubble formed from the air supersaturated and dissolved water to float to the surface, as shown in Figure 2 As shown, it includes a hydrocyclone body 10, air injection means, displacement control means 18, suspension material removal means.
- the hydrocyclone body 10 has a structure of a container having a circular cross section so as to pivot water in a predetermined direction therein, and a water inlet pipe 12 is connected in a tangential direction around the water inlet to the water inlet.
- a drain pipe 16 is connected to make the pipe a water outlet.
- two or more water inlet tube 12 may be provided if necessary to form a stable swirl flow, all are arranged so as to have the same interval in the circumferential direction on the hydrocyclone body 10 and the same tangent in this state Direction is connected.
- the air injection means injects air into the water supplied to the hydrocyclone body 10.
- This air injection means may be provided separately, but the air injection facility 50, which is the air injection means mentioned above, was used here.
- the discharge amount adjusting means 18 may be a flow rate control valve installed in the drain pipe 16, and serves to maintain a constant level in the hydrocyclone body 10 by adjusting the amount of water discharged from the drain pipe 16. Of course, in order to do this, if necessary, it may be provided with a water level sensor.
- Suspended material removal means is dispersed in the water supplied to the hydrocyclone body 10, the water flows through the hydrocyclone body (10) while the water flows through the swirl flow center and the foam of air injected into the water Suspended as a part to collect at a certain height suspended material, that is, the role of collecting the scum out, includes a suspended material recovery pipe 14 as a component.
- Suspension material recovery pipe 14 is arranged such that its inlet corresponds to the swirl flow center portion of the water below the surface of the hydrocyclone body 10, and its outlet is exposed out through the drain pipe 16.
- the outlet side is formed to be straight and positioned at the center of swirl flow.
- FIG. 3 is a conceptual diagram of the suspended material floating principle of the hydrocyclone flotation separator, the following reference to Figure 3, the suspended material (sludge particles will be taken as an example) is supplied with water to the hydrocyclone flotation separator (1) Let's take a look at the mechanics of the vortex flow.
- any sludge particles M1 are subjected to centrifugal force of magnitude Fc in the direction of gravity Fg and outward A of the rotational center of swirl flow.
- Fv a force of two forces.
- the same force is applied to water at the same position, so if the sludge particle M1 adsorbs bubbles and the average density is lower than that of water, the sludge particle M1 has the force of force Ff in the opposite direction of the force Fv. It rises toward the center of rotation A of the swirl flow.
- the buoyancy is increased by Fv / Fg times than the normal buoyancy, so that the floating speed becomes faster.
- any other sludge particle M2 has the same effect.
- the buoyancy force is inclined toward the rotational center A of the swirling flow, so the sludge particles in the water ultimately have the rotational center A and the water surface H of the swirling flow. Will be gathered towards the point where they meet.
- the hydrocyclone flotation separator 1 can easily collect the suspended matter dispersed in the water, and can be easily discharged to the outside through the suspended material recovery pipe 14.
- the collected scum is collected in the scum storage means 56 and then processed as it is, or finally processed through a concentration process again.
- the purified water is removed and suspended material is passed through the sand filter, disinfection apparatus or the like as it is transferred to the fresh water destination 40 is utilized.
- the first embodiment as described above can be operated as follows.
- the raw water of the water intake source 30 pumped by the water intake pump 32 flows to the fresh water destination 40 along the water supply line 34.
- the flocculant injection facility 51 injects the flocculant
- the pH drug injection facility 52 injects the pH drug
- the injected flocculant is suspended by making a floc with the suspended substances contained in the raw water.
- the material can easily float and the pH agent aids in the formation of flocs.
- the air injection facility 50 the air is injected, in the raw water flowing along the water pipe 34, the supersaturated air is dissolved at normal pressure, and some air is dispersed into particles of fine size by turbulent flow.
- the raw water into which the air, the flocculant, and the pH chemical is injected is mixed by turbulence formed in the water supply pipe 34 during transportation, and, if necessary, is forcibly mixed by the stirring facility 36, The cyclone flotation device 1 is directed.
- the mixed solution which reaches the hydrocyclone flotation device 1 with the air, flocculant, and pH chemicals evenly mixed contains bubbles generated at a low pressure and a slow flow rate in the hydrocyclone body 10, and the suspension material is gravity and The scum is formed by rising to the surface according to the rotational force of the swirl flow. At this time, the injured scum is gathered to the swirl flow center side is discharged and recovered to the outside through the suspended material recovery pipe 14 is collected in the scum storage means 56 and then processed separately. Purified water at the bottom of the separated suspended material is passed through the additional purification process or disinfection process, such as sand filter or as it is transferred to the desalination station 40 is utilized.
- the air requirement ratio of the suspended material in the raw water is about 0.05 to 0.2, and the size of the hydrocyclone body 10 is sufficient if the mixed water can stay for about 10 to 25 minutes, and the general rise of bubbles
- the speed is about 20 to 100 mm / min.
- raw water with a high content of algae is preferably used about 10 to 50 ppm of poly aluminum chloride as a flocculant in order to enhance the solid-liquid separation effect. You can also add about 0.2 ⁇ 1.0ppm.
- polyaluminum chloride various other methods may be applied, such as lowering performance but inexpensive chemicals such as aluminum sulfate or ferric chloride, together with an alkaline solution such as caustic soda, to obtain a desired effect.
- FIG. 4 is a block diagram showing a water pollution prevention system according to a second embodiment of the present invention.
- the second embodiment is a water pollution prevention system of heavily polluted water, such as wastewater or sewage.
- the other components and the operations thereof are the same in comparison with the first embodiment.
- it is different only in that it further comprises a biological water purification means 33 for treating the raw water flowing through the hydrocyclone flotation separator (1) by using a microorganism, such as a biological treatment method.
- the biological water purification means 33 may be, for example, a treatment facility capable of implementing an activated sludge method.
- the suspension material recovery pipe 14 of the suspension material removal means has been described as having its inlet located below the water surface in the hydrocyclone body 10, but the suspension material recovery pipe 14 is the inlet. It may be arranged to be in contact with the surface of the water and then to extract the scum by using a pump or the like.
- the means for separating the suspended matter in the raw water is described as a hydrocyclone flotation separator (1) using the floating principle, but the means for separating the suspended matter in the raw water precipitates the suspended matter and sludges the precipitated precipitate. It may be a precipitation facility discharged by the discharge pipe, so that instead of the scum storage means 56, sludge storage means may be applied. This is to remove the suspended material under the water to remove, it is advantageous to apply when the inorganic particles such as muddy water dominate the suspension material contained in the raw water is algae.
Abstract
Description
Claims (6)
- 물 유입구를 가지고 있고, 이 물 유입구로 유입되는 물을 내부에서 일정한 방향으로 선회시키도록 구성되며, 이렇게 선회하는 물을 하부로부터 배출하는 물 배출구를 가지는 하이드로사이클론 몸체와;상기 물 유입구로 유입되는 물에 공기를 주입하는 공기주입수단과;상기 물 배출구에서 배출되는 물의 양을 조절하여 상기 하이드로사이클론 몸체 내 수위를 일정하게 유지하는 배수량조절수단과;상기 하이드로사이클론 몸체에 공급되는 물속에 분산되어 있다가 물이 상기 하이드로사이클론 몸체를 통과하는 동안 물의 선회류와 물에 주입된 공기 포말의 부력에 의하여 상기 하이드로사이클론 몸체 내 수면과 선회류의 중심이 만나는 부분으로 부상하여 일정한 높이에 모이는 현탁물질을 밖으로 수거하는 현탁물질제거수단을 포함하는 하이드로사이클론 부상분리장치.
- 청구항 1에 있어서, 상기 하이드로사이클론 몸체는,횡단면이 원형이고, 둘레에 물 유입관이 접선방향으로 접속되어 이 물 유입관의 관로가 상기 물 유입구이며, 하부에 배수관이 접속되어 이 배수관의 관로가 상기 물 배출구인 하이드로사이클론 부상분리장치.
- 청구항 2에 있어서, 상기 물 유입관은,복수 개 구비되고, 상기 하이드로사이클론 몸체에 동일한 접선방향으로 접속된 하이드로사이클론 부상분리장치.
- 청구항 2에 있어서, 상기 배수량조절수단은,밸브를 포함하는 하이드로사이클론 부상분리장치.
- 청구항 1에 있어서,상기 현탁물질제거수단은, 현탁물질회수관을 포함하고,상기 현탁물질회수관은, 입구가 상기 하이드로사이클론 몸체 내 수면의 아래에서 이 수면의 선회류중심 부분과 대응하도록 배치된 하이드로사이클론 부상분리장치.
- 취수원으로부터 물을 퍼내어 목적하는 곳으로 이송시키는 펌프와;상기 펌프가 퍼내는 물을 수용하여 이송하는 관로와;상기 관로에 설치되어 이 관로를 따라 흐르는 물에 물의 처리를 위한 약품을 주입하는 약품주입수단과;상기 관로에 설치되어 약품이 주입된 물속의 현탁물질을 물과 분리하는 것으로서 청구항 1에 기재된 하이드로사이클론 부상분리장치를 포함하는 수질오염 방지시스템.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2010515986A JP2010527787A (ja) | 2008-06-03 | 2009-06-03 | ヒドロサイクロン方式の浮上分離装置及びそれを含む水質汚染防止システム |
US12/996,149 US20110084012A1 (en) | 2008-06-03 | 2009-06-03 | Hydrocyclone flotation system and water pollution prevention system equipped with the same |
EP09758518A EP2305386A4 (en) | 2008-06-03 | 2009-06-03 | HYDROCYCLONE FLOTATION SYSTEM AND SYSTEM FOR PREVENTING WATER POLLUTION WITH FLOTATION SYSTEM |
CN2009801208324A CN102056673A (zh) | 2008-06-03 | 2009-06-03 | 旋流浮选系统和配备有该旋流浮选系统的水污染防治系统 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020080052066A KR100882200B1 (ko) | 2008-06-03 | 2008-06-03 | 하이드로사이클론 및 이것을 포함하는 수질오염 방지장치 |
KR10-2008-0052066 | 2008-06-06 |
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WO2009148265A2 true WO2009148265A2 (ko) | 2009-12-10 |
WO2009148265A3 WO2009148265A3 (ko) | 2010-03-11 |
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PCT/KR2009/002963 WO2009148265A2 (ko) | 2008-06-03 | 2009-06-03 | 하이드로사이클론 부상분리장치 및 이것을 포함하는 수질오염 방지시스템 |
Country Status (6)
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US (1) | US20110084012A1 (ko) |
EP (1) | EP2305386A4 (ko) |
JP (1) | JP2010527787A (ko) |
KR (1) | KR100882200B1 (ko) |
CN (1) | CN102056673A (ko) |
WO (1) | WO2009148265A2 (ko) |
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US9884295B2 (en) | 2012-10-08 | 2018-02-06 | Doosan Heavy Industries & Construction Co., Ltd. | Membrane bioreactor system using reciprocating membrane |
US9422168B2 (en) | 2013-04-24 | 2016-08-23 | Doosan Heavy Industries & Construction Co., Ltd. | Dissolved air flotation device for liquid clarification |
CN203470193U (zh) * | 2013-09-06 | 2014-03-12 | 刘学凯 | 淘金粗选装置 |
CN103539221A (zh) * | 2013-10-10 | 2014-01-29 | 彭伟明 | 双涡旋体涡旋活化水的方法和装置 |
CN105498943B (zh) * | 2015-12-16 | 2018-03-06 | 通辽矽砂工业公司 | 稳流多用硅砂泵池 |
KR102078099B1 (ko) | 2017-11-23 | 2020-02-17 | 주식회사에이비테크 | 선회류 침전장치 |
JP7021553B2 (ja) * | 2018-02-13 | 2022-02-17 | トヨタ自動車株式会社 | クーラントタンク |
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- 2009-06-03 CN CN2009801208324A patent/CN102056673A/zh active Pending
- 2009-06-03 US US12/996,149 patent/US20110084012A1/en not_active Abandoned
- 2009-06-03 WO PCT/KR2009/002963 patent/WO2009148265A2/ko active Application Filing
- 2009-06-03 JP JP2010515986A patent/JP2010527787A/ja active Pending
- 2009-06-03 EP EP09758518A patent/EP2305386A4/en not_active Withdrawn
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None |
See also references of EP2305386A4 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015002397A1 (ko) * | 2013-07-04 | 2015-01-08 | 주식회사 한국아쿠오시스 | 가압부상장치 |
US10421669B2 (en) | 2013-07-04 | 2019-09-24 | Korea Aquosys Co., Ltd. | Dissolved air flotation device |
Also Published As
Publication number | Publication date |
---|---|
KR100882200B1 (ko) | 2009-02-06 |
JP2010527787A (ja) | 2010-08-19 |
EP2305386A2 (en) | 2011-04-06 |
EP2305386A4 (en) | 2012-04-04 |
WO2009148265A3 (ko) | 2010-03-11 |
CN102056673A (zh) | 2011-05-11 |
US20110084012A1 (en) | 2011-04-14 |
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