WO2022113245A1 - ろ過装置 - Google Patents

ろ過装置 Download PDF

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Publication number
WO2022113245A1
WO2022113245A1 PCT/JP2020/044100 JP2020044100W WO2022113245A1 WO 2022113245 A1 WO2022113245 A1 WO 2022113245A1 JP 2020044100 W JP2020044100 W JP 2020044100W WO 2022113245 A1 WO2022113245 A1 WO 2022113245A1
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Prior art keywords
electrode
filter
filter medium
particles
filter chamber
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PCT/JP2020/044100
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English (en)
French (fr)
Japanese (ja)
Inventor
一樹 大森
Original Assignee
三菱化工機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 三菱化工機株式会社 filed Critical 三菱化工機株式会社
Priority to JP2022564915A priority Critical patent/JP7474866B2/ja
Priority to PCT/JP2020/044100 priority patent/WO2022113245A1/ja
Publication of WO2022113245A1 publication Critical patent/WO2022113245A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/06—Filters making use of electricity or magnetism

Definitions

  • This disclosure relates to a filtration device.
  • Solid-liquid separation by filtration of a particle-fluid slurry a method of separating a particle and a liquid to be separated by using electro-osmosis or electrophoresis is known (see, for example, Patent Documents 1 and 2).
  • Solid-liquid separation using electroosmosis is a method in which voltage and pressure are applied to a cake layer sandwiched between electrodes, and water in the cake layer is expelled through a filter medium by electroosmosis.
  • the solid-liquid separation using electrophoresis is a method in which the particles in the slurry are moved by electrophoresis and brought into direct contact with the filter medium to separate the particles in the slurry.
  • a filtration method using a hollow fiber membrane is also known (see, for example, Patent Document 3).
  • the present disclosure aims to provide a filtration device capable of improving the filtration rate.
  • the filtration device on one side of the present disclosure includes a tubular filter medium having a hollow portion, a first electrode provided with a plurality of first openings and covering the outer periphery of the filter medium, and the hollow of the filter medium from one end of the filter medium.
  • At least one electric field drive filter having a second electrode inserted into the portion, a first filter chamber provided inside the housing, into which the electric field drive filter is inserted, and the first filter. It has a third electrode provided in the chamber and a second filter chamber provided inside the housing separated from the first filter chamber and communicating with the hollow portion of the filter medium.
  • the filtration device of the present disclosure it is possible to improve the filtration rate.
  • FIG. 1 is a cross-sectional view schematically showing a configuration example of the filtration device of the embodiment.
  • FIG. 2 is a cross-sectional view schematically showing the II-II cross section of FIG.
  • FIG. 3 is a side view schematically showing a part of the electric field drive filter.
  • FIG. 4 is a cross-sectional view schematically showing the IV-IV cross section of FIG.
  • FIG. 5 is an explanatory diagram for explaining the operation of the filtration device of the embodiment.
  • FIG. 6 is a cross-sectional view schematically showing the configurations of the first electrode and the filter medium.
  • FIG. 7 is an electrical equivalent circuit diagram showing the filtration device of the embodiment.
  • FIG. 1 is a cross-sectional view schematically showing a configuration example of the filtration device of the embodiment.
  • the filtration device 10 of the embodiment is a device that separates the particles 71 from the slurry (stock solution) 70, which is the target treatment liquid in which the particles 71 are dispersed in the liquid 72.
  • the filtration device 10 is also called a hollow fiber membrane module.
  • the filtration device 10 can be applied to the life science field, the sewage treatment field, the wastewater treatment field, and the like.
  • the bio-industry for culturing microorganisms such as cultured cells, microalgae, bacteria, bacteria, and viruses, and the utilization and application of enzymes, proteins, polysaccharides, lipids, etc.
  • the filtration device 10 is applied to the separation of biomass particles in a fine biomass water-based slurry having difficulty in filtering.
  • the filtration device 10 is a colloidal particle-based slurry in which surface-charged fine particles are highly dispersed by an electric repulsive action, and the colloidal fine particles can be concentrated and recovered.
  • the filtration device 10 of the embodiment has a housing 11 and a pedestal 12.
  • the filtration device 10 has a first filter chamber 30 and a second filter chamber 35A in an internal space surrounded by the housing 11.
  • a plurality of electric field drive filters 40 are arranged in the first filter chamber 30 of the filtration device 10.
  • the filtration device 10 of the embodiment has a first electrode 31, a second electrode 32, and a third electrode 33, and the first electrode 31, the second electrode 32, and the third electrode 33 have a first power supply 51 and a second electrode 33. At least one of the power supply 52 and the third power supply 53 is electrically connected.
  • the XY plane having the X direction and the Y direction orthogonal to the X direction is a horizontal plane.
  • the electric field drive filter 40 extends in the Z direction perpendicular to the XY plane.
  • the housing 11 is, for example, a columnar member made of an insulating material.
  • the pedestal 12 is made of, for example, a metal material and supports the housing 11.
  • the housing 11 exemplifies an integral structure, it may be configured by a plurality of parts.
  • the housing 11 is provided with a slurry supply passage 11a and an exhaust passage 11b.
  • One end side of the slurry supply passage 11a opens at the bottom of the housing 11 and is connected to the slurry supply unit 18.
  • the other end of the slurry supply passage 11a is open to the first filter chamber 30 of the housing 11.
  • the slurry (stock solution) 70 is supplied to the first filter chamber 30 via the slurry supply unit 18 and the slurry supply passage 11a.
  • the internal pressure of the first filter chamber 30 is, for example, 0.1 MPa.
  • the internal pressure in the first filter chamber 30 is appropriately changed depending on the type and viscosity of the slurry.
  • the slurry supply unit 18 is also connected to the drain valve 18P. Normally, when the filtration device 10 is operating, the drain valve 18P is in the closed state. When the filtration device 10 is not operating, such as when cleaning the first filter chamber 30, the drain valve 18P is opened and the liquid in the first filter chamber 30 is drained.
  • One end side of the exhaust passage 11b opens at the upper part of the housing 11 and is connected to the air exhaust portion 90.
  • the other end of the slurry supply passage 11a is open to the second filter chamber 35A of the housing 11.
  • the air discharge unit 90 is connected to an air discharge valve (not shown).
  • FIG. 2 is a cross-sectional view schematically showing the II-II cross section of FIG.
  • a first filter chamber 30 surrounded by an inner wall 11h is provided inside the first filter chamber 30, a plurality of electric field drive filters 40 extending from above are arranged.
  • the third electrode 33 is a conductive and linear member.
  • the third electrode 33 is coiled from one end 33a to the other end 33b.
  • the third electrode 33 is arranged along the inner wall 11h (see FIG. 2) of the housing 11, and the third electrode 33 extends in the Z direction.
  • the third electrode 33 is wound around a bundle of a plurality of electric field drive filters 40. Since the third electrode 33 is wound, a gap is formed between the conductors of the third electrode 33 in the Z direction.
  • One end 33a of the third electrode 33 is electrically connected to the conductive member 16.
  • the other end 33b of the third electrode 33 is fixed by the insulating member 13 and is insulated from the conductive member 14.
  • the conductive member 16 is electrically connected to the connecting conductor 56.
  • the first filter chamber 30 is partitioned by a plurality of partition plates 39.
  • the partition plate 39 is annular and is made of, for example, a polyamide fiber.
  • the partition plate 39 removes foreign matter larger than the particles 71.
  • FIG. 3 is a side view schematically showing a part of the electric field drive filter.
  • FIG. 4 is a cross-sectional view schematically showing the IV-IV cross section of FIG.
  • the electric field drive filter 40 includes a filter medium 34, a first electrode 31, and a second electrode 32.
  • the filter medium 34 has a cylindrical shape having a hollow portion 35.
  • One end of the hollow portion 35 of the filter medium 34 communicates with the second filter chamber 35A (see FIG. 1), and the other end is closed by the closing portion 42 (see FIG. 1).
  • the water molecule 73 of the liquid 72 permeates from the first filter chamber 30 into the hollow portion 35 through the filter medium 34.
  • the filter medium 34 is formed of a so-called hollow fiber membrane.
  • the filter medium 34 is provided with a plurality of openings 34b (see FIG. 6) in the filtration membrane 34a.
  • a microfiltration membrane MF membrane (Microfiltration Membrane)
  • MF membrane Microfiltration Membrane
  • the first electrode 31 is a mesh-shaped electrode. Specifically, the first electrode 31 has a plurality of conductive thin wires 31a, and a plurality of first openings 31b are provided between the plurality of conductive thin wires 31a.
  • the conductive thin wire 31a may be a metal or a carbon fiber as long as it has conductivity.
  • the first electrode 31 is electrically connected to the conductive member 14 surrounding the periphery.
  • the conductive member 14 is electrically connected to the connecting conductor 54.
  • the conductive member 14 supports the first electrode 31 and the filter medium 34.
  • the conductive member 14 separates the first filter chamber 30 and the second filter chamber 35A, and the slurry (stock solution) 70 does not move from the first filter chamber 30 to the second filter chamber 35A by packing (not shown) or the like. It is watertight.
  • the second electrode 32 is a linear electrode.
  • the second electrode 32 may be a metal or a carbon fiber as long as it has conductivity.
  • the second electrode 32 is inserted into the hollow portion 35 through the opening at one end of the filter medium 34.
  • the second electrode 32 is electrically connected to the conductive member 15 that surrounds the second electrode 32.
  • the length of the second electrode 32 in the Z direction needs to be long enough to reach the first filter chamber 30.
  • the conductive member 15 is electrically connected to the connecting conductor 55.
  • the first electrode 31 is electrically connected to the second terminal 51b of the first power supply 51 via the conductive member 14 and the connecting conductor 54. Further, the first electrode 31 is electrically connected to the first terminal 52a of the second power supply 52 via the conductive member 14 and the connecting conductor 54.
  • the second electrode 32 is electrically connected to the second terminal 52b of the second power supply 52 via the conductive member 15 and the connecting conductor 55.
  • the third electrode 33 is electrically connected to the first terminal 53a of the third power supply 53 via the conductive member 16 and the connecting conductor 56.
  • the second terminal 53b of the third power supply 53 and the first terminal 51a of the first power supply 51 are connected to the reference potential GND.
  • the reference potential GND is, for example, a ground potential. However, the present invention is not limited to this, and the reference potential GND may be a predetermined fixed potential.
  • the slurry (stock solution) 70 supplied to the first filter chamber 30 particles 71 are separated by driving each electrode, and the liquid 72 (filter solution 75) from which the particles 71 are separated is passed through the first electrode 31 and the filter medium 34. , Flows into the hollow portion 35. Since the hollow portion 35 communicates with the second filter chamber 35A, the water molecule 73 of the liquid 72 (filter liquid 75) from which the particles 71 are separated is discharged from the discharge portion 19 and stored in an external storage tank.
  • the liquid containing the particles 71 passes through the third electrode 33 from the first filter chamber 30 and reaches the discharge portion 17. Then, the liquid 72 containing the particles 71 is discharged from the discharge unit 17 and stored in an external storage tank.
  • FIG. 5 is an explanatory diagram for explaining the operation of the filtration device of the embodiment.
  • the arrangement relationship between the first electrode 31, the second electrode 32, the third electrode 33 and the filter medium 34, and the first filter chamber 30 and the hollow portion 35 is schematically shown. There is.
  • the filter medium 34 is provided between the first electrode 31 and the second electrode 32.
  • the first electrode 31 is provided in direct contact with the filter medium 34.
  • the first opening 31b of the first electrode 31 and the opening 34b of the filter medium 34 are shown to have the same size, but they are schematically shown for the sake of explanation, and the first opening 31b and the opening 34b are shown.
  • the size of the opening 34b may be different.
  • FIG. 6 is a cross-sectional view schematically showing the configurations of the first electrode and the filter medium.
  • the diameter D3 of the opening 34b provided in the filter medium 34 is smaller than the diameter D1 of the first opening 31b of the first electrode 31.
  • the arrangement pitch of the plurality of conductive thin wires 31a and the arrangement pitch of the filtration membrane 34a are different from each other.
  • the diameter D1 of the first opening 31b of the first electrode 31 is 0.5 ⁇ m or more and 500 ⁇ m or less, for example, about 70 ⁇ m.
  • the diameter D3 of the plurality of openings 34b provided on the filter medium 34 is 0.1 ⁇ m or more and 100 ⁇ m or less, more preferably 1 ⁇ m or more and 7 ⁇ m or less.
  • the third electrode 33 is a coil-shaped member, and is provided so as to face the outer peripheral surface of the first electrode 31 with the first filter chamber 30 interposed therebetween.
  • FIG. 5 the description of the coil shape (see FIG. 1) of the third electrode 33 is omitted, and the position of the third electrode 33 is shown.
  • the first filter chamber 30 is provided in contact with the outer peripheral surface of the first electrode 31.
  • the slurry (stock solution) 70 containing the particles 71 to be separated and the liquid 72 is supplied to the first filter chamber 30.
  • the particles 71 are, for example, biomass particles or colloidal particles, and the surface of the particles is negatively charged.
  • the particles 71 are chlorella, microalgae spirulina, colloidal silica, Escherichia coli, sewage activated sludge and the like.
  • the diameter of the particles 71 varies depending on the technical field to which the particles are applied and the type of separation target, but is 5 nm or more and 2000 ⁇ m or less, for example, 20 nm or more and 500 ⁇ m or less.
  • the liquid 72 in which the particles 71 are dispersed is water, and some water molecules 73 are positively charged. As a result, the slurry (stock solution) 70 is in an electrically equilibrium state as a whole.
  • the liquid 72 is not limited to water, but may be alcohol or the like. That is, the liquid 72 may be a polar solvent.
  • the slurry (stock solution) 70 further contains a chromoprotein 74.
  • the chromoprotein 74 is charged with the same polarity (minus) as the particles 71 and has a smaller particle size than the particles 71.
  • the chromoprotein 74 is 10 nm or more and 300 nm or less, for example, about 30 nm.
  • the chromoprotein 74 may be absent.
  • the first power supply 51 supplies the first electrode 31 with a first potential V1 having the same polarity as that of the particles 71.
  • the first potential V1 is, for example, ⁇ 30 V.
  • the second power source 52 supplies the second electrode 32 with a second potential V2 having the same polarity as that of the particles 71 but having an absolute value different from the absolute value of the first potential V1.
  • the second potential V2 is, for example, ⁇ 40 V.
  • the third power source 53 supplies the third electrode 33 with a third potential V3 having a polarity different from that of the particles 71.
  • the third potential V3 is, for example, + 30V.
  • FIG. 7 is an electrical equivalent circuit diagram showing the filtration device of the embodiment.
  • the first power supply 51 and the third power supply 53 are constant voltage sources, and the second power supply 52 is a constant current source.
  • the resistance component R1 and the capacitance component C are connected in parallel between the first electrode 31 and the second electrode 32.
  • the resistance component R1 and the capacitance component C are components equivalently represented by the filter medium 34 provided with a large number of openings 34b.
  • the resistance component R2 is connected between the first electrode 31 and the third electrode 33.
  • the resistance component R2 is a resistance component equivalently represented by the slurry (stock solution) 70 of the first filter chamber 30.
  • the second power supply 52 may be a constant voltage power supply or a constant current power supply.
  • the second power source 52 since the second power source 52 is a constant current source, it depends on the state of filtration of the filtration device 10, that is, according to the fluctuation of the resistance component R1 of the filter medium 34 and the resistance component R2 of the first filter chamber 30. Therefore, the second potential V2 changes. However, the second potential V2 has the same polarity as the polarity of the particle 71, and maintains a value larger than the absolute value of the first potential V1.
  • q1 and q2 are electric charges, and s is the distance between the electric charges. That is, the smaller the distance s, the larger the Coulomb force F acts on the particles 71.
  • the repulsive force and the attractive force generated in the particles 71 act in the direction indicated by the arrow F1, that is, in the direction away from the first electrode 31 and approaching the third electrode 33.
  • the negatively charged particles 71 move to the third electrode 33 side by electrophoresis.
  • the filtration device 10 can prevent the particles 71 from accumulating on the surface of the first electrode 31 and the surface of the filter medium 34 to form a cake layer. That is, it is possible to suppress an increase in the filtration resistance of the opening 34b of the filter medium 34.
  • the positively charged water molecule 73 generates an attractive force with the first electrode 31.
  • the attractive force acting on the positively charged water molecule 73 acts in the direction indicated by the arrow F2, that is, in the direction from the third electrode 33 toward the first electrode 31.
  • the positively charged water molecule 73 moves to the first electrode 31 side.
  • an electric field is formed from the first electrode 31 to the second electrode 32 so as to penetrate the filter medium 34 in the thickness direction due to the potential difference between the first electrode 31 and the second electrode 32.
  • the water molecule 73 that has moved to the first electrode 31 side receives a force by the electric field, is pulled toward the second electrode 32 side, and passes through the filter medium 34. With the movement of the positively charged water molecule 73, the uncharged water molecule is also dragged toward the second electrode 32, and an electroosmotic flow is formed. As a result, the liquid 72 containing the positively charged water molecule 73 flows into the hollow portion 35. As described above, the particles 71 are separated from the first electrode 31 by electrophoresis and moved to the third electrode 33 side, and the liquid 72 (filter liquid 75) from which the particles 71 are separated is discharged. , The concentration of the particles 71 of the slurry (stock solution) 70 in the first filter chamber 30 can be increased.
  • the filtration device 10 is an electrophoresis in which the particles 71 are moved between the first electrode 31 and the third electrode 33 by the Coulomb force F (repulsive force generated between the particles 71 and the first electrode 31). And the electric permeation in which the water molecule 73 is moved by the electric field between the first electrode 31 and the second electrode 32 and passed through the filter medium 34, the particles 71 can be separated. Further, the first electrode 31 also serves as an electrode for electrophoresis and an electrode for electroosmosis.
  • the cake is formed on the surface of the first electrode 31 and the surface of the filter medium 34, as compared with the method of simply applying pressure to the slurry (stock solution) 70 to separate the particles 71 having a particle size larger than the opening 34b of the filter medium 34.
  • the formation of a layer can be suppressed, and the filtration rate can be improved from several times to 10 times or more.
  • the concentration of the particles 71 of the slurry (stock solution) 70 in the first filter chamber 30 can be increased in a short time as compared with the method of simply applying pressure to the slurry (stock solution) 70.
  • the frequency of cleaning and replacement of the filter medium 34 can be reduced, and the slurry (stock solution) 70 can be efficiently filtered.
  • the filtration speed is about the same as the conventional one. Can be realized. That is, the filtration device 10 can be miniaturized.
  • the particle level (particle diameter) passing through the filter medium 34 can also be controlled.
  • the electric field of the above is formed, and it is possible to prevent the dye protein 74 having a particle size smaller than the opening 34b of the filter medium 34 from passing through the filter medium 34.
  • the ultrafiltration membrane is controlled by the electric field control between the electrodes of the first power supply 51, the second power supply 52, and the third power supply 53.
  • the particle size to be separated can be changed to the equivalent of (UF membrane) or nanofiltration membrane (NF membrane).
  • the ultrafiltration membrane (UF membrane) is a filtration membrane having an opening diameter of 10 nm or more and 100 nm or less.
  • the nanofiltration membrane (NF membrane) is a filtration membrane having an opening diameter of 1 nm or more and 10 nm or less.
  • the configuration of the filtration device 10 described above is only an example and can be changed as appropriate.
  • the first electrode 31 may be coiled like the third electrode 33, and the gap between the conductors of the first electrode 31 may be the first opening 31b.
  • the third electrode 33 may be a mesh-shaped tubular body.
  • the second electrode 32 is a mesh-shaped electrode and may be in contact with the inside of the filter medium.
  • the concentration of the slurry (stock solution) 70 which is the target treatment liquid supplied to the first filter chamber 30, is not particularly limited and can be changed according to the field to which the filtration device 10 is applied.
  • the internal pressure of the first filter chamber 30 is pressurized and is larger than the internal pressure of the second filter chamber 35A.
  • the internal pressure of the first filter chamber 30 is made relatively larger than the internal pressure of the second filter chamber 35A by applying a negative pressure by vacuuming the internal pressure of the second filter chamber 35A. You may do so.
  • the first potential V1, the second potential V2 and the third potential V3 are appropriately changed according to the type of the particles 71 to be separated and the required filtration characteristics.
  • the filtration device 10 does not have to be provided with the third power supply 53.
  • the third electrode 33 is connected to, for example, the reference potential GND.
  • the filtration device 10 can be downsized as compared with the case where a power source is provided for each of the first electrode 31, the second electrode 32, and the third electrode 33.
  • the filtration device 10 of the present embodiment includes a housing 11, at least one electric field drive filter 40, a first filter chamber 30, a third electrode 33, and a second filter chamber 35A.
  • the electric field drive filter 40 is provided with a tubular filter medium 34 having a hollow portion 35, a first electrode 31 provided with a plurality of first openings 31b and covering the outer periphery of the filter medium 34, and a hollow portion of the filter medium 34 from one end of the filter medium 34. It has a second electrode 32, which is inserted into 35.
  • the first filter chamber 30 is provided inside the inner wall 11h of the housing 11, and the electric field drive filter 40 is inserted into the first filter chamber 30.
  • the second filter chamber 35A is provided inside the housing 11 separated from the first filter chamber 30, and communicates with the hollow portion 35 of the filter medium 34.
  • the particles 71 are generated by the Coulomb force F (repulsive force generated between the particles 71 and the first electrode 31) generated in the particles 71 between the first electrode 31 and the third electrode 33. Moves from the first electrode 31 toward the third electrode 33.
  • the particles 71 can be separated by electro-osmosis that moves the water molecule 73 by the electric field between the first electrode 31 and the second electrode 32 and permeates the filter medium 34, and the slurry (stock solution) in the first filter chamber 30. ) 70 particles 71 can be enriched.
  • the filtration rate can be improved several to 10 times or more as compared with the method of simply applying pressure to the slurry (stock solution) 70 to separate particles 71 having a particle size larger than the opening 34b of the filter medium 34. Can be done.
  • the potential difference between the first potential V1 and the third potential V3 is larger than the potential difference between the first potential V1 and the second potential V2.
  • the distance between the first electrode 31 and the third electrode 33 facing each other across the filter medium 34 is larger than the distance between the first electrode 31 and the second electrode 32, the distance is good by electrophoresis.
  • the particles 71 can be moved to the third electrode 33 side.
  • the second electrode 32, the filter medium 34, the first electrode 31, and the first filter chamber 30 are in this order from the center to the outside. They are lined up.
  • the distance between the first electrode 31 and the second electrode 32 is smaller than the distance between the first electrode 31 and the third electrode 33.
  • the electric field strength formed between the first electrode 31 and the second electrode 32 can be increased, and the water molecule 73 is moved by electroosmosis to form the first electrode 31 and the second electrode 32.
  • the filter medium 34 between them can be satisfactorily transmitted.
  • the third electrode 33 has a coil shape wound around a plurality of electric field drive filters 40. A potential difference can be generated between the first electrode 31 of the plurality of electric field drive filters 40 and the third electrode 33 while providing a gap between the conductors of the third electrode 33.
  • the first power supply 51 and the third power supply 53 are constant voltage sources, and the second power supply 52 is a constant current source.
  • the first potential V1 supplied by the first power supply 51 and the third potential V3 supplied by the third power supply 53 generate particles 71 between the first electrode 31 and the third electrode 33.
  • the Coulomb force F to be applied can be specified.
  • the electric field strength formed between the first electrode 31 and the second electrode 32 is defined by the current supplied by the second power supply 52 and the first potential V1 supplied by the first power supply 51, which is good. Can be electroosmotic.
  • the size (diameter D3) of the opening 34b of the filter medium 34 is smaller than the diameter D1 of the first opening 31b of the first electrode 31.
  • the water molecule 73 can satisfactorily pass through the opening 34b of the filter medium 34 by electroosmosis.
  • Filtration device 11 Housing 11h Inner wall 30 1st filter chamber 31 1st electrode 31b 1st opening 32 2nd electrode 33 3rd electrode 34 Filter material 34a Filtration membrane 34b Opening 35 Hollow part 35A 2nd filter chamber 39 Partition plate 40 Electric field Drive filter 42 Closure 51 First power supply 52 Second power supply 53 Third power supply 70 Slurry (stock solution) 71 Particles 72 Liquid 73 Water molecule 74 Chromoprotein 75 Filter

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Electrostatic Separation (AREA)
PCT/JP2020/044100 2020-11-26 2020-11-26 ろ過装置 WO2022113245A1 (ja)

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JP2022564915A JP7474866B2 (ja) 2020-11-26 2020-11-26 ろ過装置
PCT/JP2020/044100 WO2022113245A1 (ja) 2020-11-26 2020-11-26 ろ過装置

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59193111A (ja) * 1982-12-04 1984-11-01 Asahi Okuma Ind Co Ltd 油浄化装置
JPS61161108A (ja) * 1984-12-31 1986-07-21 ドル‐オリバー　インコーポレイテツド 改良電極体を使用する電気フイルター装置
JPS63176512U (enrdf_load_stackoverflow) * 1987-05-07 1988-11-16
JPH07100302A (ja) * 1993-10-07 1995-04-18 Zeotetsuku:Kk 荷電コアレッサー型油水分離装置
JPH11300170A (ja) * 1998-04-16 1999-11-02 Matsushita Electric Ind Co Ltd 排水処理方法と排水処理装置及びそれに用いる膜分離装置
JP2008532753A (ja) * 2005-03-18 2008-08-21 バイエル・テクノロジー・サービシズ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 電気濾過方法
JP2008290008A (ja) * 2007-05-24 2008-12-04 Ryukoku Univ 浄水器
JP2012239946A (ja) * 2011-05-17 2012-12-10 Panasonic Corp 濾過器
JP2020506796A (ja) * 2016-12-28 2020-03-05 アイスリー メンブレイン ゲーエムベーハーＩ３ Ｍｅｍｂｒａｎｅ ＧｍｂＨ 液体からの荷電生理活性物質の分離方法およびそれらの回収方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59193111A (ja) * 1982-12-04 1984-11-01 Asahi Okuma Ind Co Ltd 油浄化装置
JPS61161108A (ja) * 1984-12-31 1986-07-21 ドル‐オリバー　インコーポレイテツド 改良電極体を使用する電気フイルター装置
JPS63176512U (enrdf_load_stackoverflow) * 1987-05-07 1988-11-16
JPH07100302A (ja) * 1993-10-07 1995-04-18 Zeotetsuku:Kk 荷電コアレッサー型油水分離装置
JPH11300170A (ja) * 1998-04-16 1999-11-02 Matsushita Electric Ind Co Ltd 排水処理方法と排水処理装置及びそれに用いる膜分離装置
JP2008532753A (ja) * 2005-03-18 2008-08-21 バイエル・テクノロジー・サービシズ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 電気濾過方法
JP2008290008A (ja) * 2007-05-24 2008-12-04 Ryukoku Univ 浄水器
JP2012239946A (ja) * 2011-05-17 2012-12-10 Panasonic Corp 濾過器
JP2020506796A (ja) * 2016-12-28 2020-03-05 アイスリー メンブレイン ゲーエムベーハーＩ３ Ｍｅｍｂｒａｎｅ ＧｍｂＨ 液体からの荷電生理活性物質の分離方法およびそれらの回収方法

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