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WO/2023/202976A1 |
A cleaning‐in‐place method for cleaning a membrane filter module, the membrane filter module including a membrane having a feed side and a permeate side and being configured to filter a fluid passing through the membrane from the fee...
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WO/2023/200663A1 |
A water treatment system (2) comprising a pressure vessel (10), vertically aligned separation elements (30) within the vessel each having at least one porous UF or MF membrane, feed fluid passageways (36), a permeate fluid passageway (40...
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WO/2023/194834A1 |
Spacers may be attached onto a membrane by a method in which adjacent ones of the spacers are spaced apart from one another with spacings that are accurate to a very fine tolerance. In the method, adjacent ones of the spacers may be atta...
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WO/2023/189001A1 |
A water quality prediction system (10) for predicting water quality when raw water containing an unknown total organic carbon (TOC) component is supplied to a pure water production system (50) provided with at least a reverse osmosis mem...
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WO/2023/187968A1 |
A cleaning device 1 includes: an inlet 2 for taking in a liquid from a device-to-be-cleaned 100; a generation device 3 that generates a cleaning liquid from the liquid; and an outlet 4 for returning the cleaning liquid to the device-to-b...
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WO/2023/190554A1 |
Proposed is a water treatment device that has less components, that can reduce time required for installation, and that can be implemented in a more space-saving manner as compared to conventional products. This water treatment device co...
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WO/2023/185326A1 |
A polyamide membrane, comprising a quaternary ring product obtained from an addition reaction of cinnamamide and/or a cinnamamide derivative; the polyamide membrane comprises a component A, a component B and a component C, the component ...
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WO/2023/176048A1 |
The purpose of the present invention is to provide a composite reverse osmosis membrane that exhibits improved permeability and antifouling properties, and a production method therefor. A composite reverse osmosis membrane according to t...
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WO/2023/175406A1 |
A device (100) for water purification includes one or more first layers (110) including a semipermeable membrane and one or more second layers (120) in contact with the one or more first layers (110), wherein the one or more second layer...
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WO/2023/176049A1 |
The purpose of the present invention is to provide a composite reverse osmosis membrane that exhibits improved permeability and antifouling properties, and a production method therefor. A composite reverse osmosis membrane according to t...
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WO/2023/177904A1 |
Methods of filtering a solution containing lipid nanoparticles are provided. The methods include setting at least one filtration control parameter to at least one target filtration control parameter; performing filtration of the solution...
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WO/2023/172363A1 |
Disclosed herein are nanohybrid and nanocomposite compositions and methods. In a specific embodiment, the method for making a nanohybrid composition includes: contacting a carrier material with metallic salt precursors to make a first mi...
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WO/2023/167173A1 |
The objective of the present invention is to provide a bubble generating device (30) capable of causing a plurality of bubbles to impinge substantially simultaneously upon a filter membrane. The bubble generating device (30) comprises a ...
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WO/2023/167672A1 |
A subsea jumper for filtering a fluid produced during a subsea field operation can include a housing having a housing wall forming a cavity, where the housing has an upstream end and a downstream end that define a length of the housing. ...
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WO/2023/156672A1 |
A method of cross-flow filtering wastewater from a diagnostic apparatus or a laboratory analyser, wherein the wastewater comprises nanoparticles and/or microparticles, and the wastewater is streaming in a laminar flow across a surface of...
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WO/2023/158956A1 |
A self-contained filtration assembly with a self-contained filtration cassette therein. The cassette may be formed from one or more layers membranes and spacers (spacers, screens, or combinations thereof) all having the same general shap...
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WO/2023/153026A1 |
Provided are an anaerobic treatment method and an anaerobic treatment apparatus, each of which is configured such that organic wastewater is subjected to a methane fermentation treatment in an anaerobic reaction vessel 1 and sludge in th...
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WO/2023/149310A1 |
This water treatment method includes: a step for supplying water being treated to a reverse osmosis membrane to separate the water being treated into percolated water and concentrated water; and a step for intermittently adding a bacteri...
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WO/2023/144410A1 |
The current invention relates to a method for the production of a filtration membrane envelope comprising a 3D spacer fabric interposed between two membrane layers cast onto said 3D spacer fabric, wherein said method comprises a casting ...
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WO/2023/145082A1 |
This filtration membrane cleaning apparatus comprises: a circulation flow passage (29) in which ozone water (28) is generated through dissolving of ozone gas fed from an ozone gas supply unit (23), in non-ozone water fed from a non-ozone...
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WO/2023/144411A1 |
The present invention relates to a method (100) for treating feed water, in particular for use in a reverse osmosis process, wherein the method (100) comprises the steps of a. providing (110) feed water; b. generating (120) ozonated wate...
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WO/2023/144409A1 |
The current invention relates to a filtration membrane envelope (3) comprising a 3D spacer fabric (7) having an upper and lower surface (9, 10) tied together and spaced apart by monofilament threads (11), said 3D spacer fabric is interpo...
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WO/2023/135238A1 |
Disclosed is a method for use in cleaning a cross-flow processing system, the processing system comprising a feed pump for feeding a fluid to a baseline of the processing system, at least one filtration unit, the at least one filtration ...
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WO/2023/135452A1 |
An apparatus (10) and a method for wastewater treatment is provided. The apparatus includes a spraying unit (20) to provide uniform distribution of wastewater over the support structure (30). The apparatus includes a cartridge unit (40) ...
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WO/2023/134443A1 |
The present invention relates to the technical field of biological filtering. Disclosed in the present invention are a filtering device and method for filtering and removing viruses from a protein-containing feed liquid. The filtering de...
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WO/2023/134442A1 |
The present invention relates to the technical field of filters. Disclosed are a filter membrane package and a packaging method therefor. The filter membrane package comprises: a liquid inlet flow-guiding screen; and filter units, each f...
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WO/2023/132146A1 |
A water treatment device (1) comprises: a separation membrane (2) that is immersed in treatment water (W) and that filters the treatment water (W); a fine bubble generation device (3) that generates fine bubbles (FB) in the treatment wat...
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WO/2023/133270A1 |
The following disclosure relates to methods of identifying defects (e.g., short circuits) in a membrane of an electrolytic cell. The following disclosure further relates to methods of repairing such a defect in the membrane of the electr...
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WO/2023/127810A1 |
Provided is a method of determining the state of a separation membrane module for obtaining filtered water from water to be treated, wherein at least two types of test water consisting of test water containing at least two types of solut...
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WO/2023/126301A1 |
The present disclosure relates to devices and processes for the automated transfer of tubular housings used for the manufacture of filtration and/or diffusion devices, e.g., capillary dialyzers or ultrafilters.
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WO/2023/125495A2 |
The present invention relates to a filter cartridge membrane integrity testing apparatus, comprising: a data acquisition module, an air compressor, a control module and a test module; the test module is respectively connected to the air ...
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WO/2023/129430A1 |
A system may detect defects in a membrane cell or portion thereof by detecting gas transfer across the defect. Gas may be released in a release region of a chamber. The release region may be separated from a detection region of the chamb...
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WO/2023/128072A1 |
According to one aspect of the present disclosure, an electronic device for controlling a hollow-fiber membrane fouling reduction system comprises: an exciter controller for generating an excitation signal; an exciter module electrically...
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WO/2023/127818A1 |
A method for operating a separation membrane in which a liquid being filtered is subjected to filtration to obtain filtered water, the method comprising: a cumulative amount calculation step for calculating the amount of constituent comp...
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WO/2023/118490A1 |
The invention relates to a vacuum leak detector (10) having a housing (14) enclosing a suction chamber (12), a vacuum pump (20) evacuating the suction chamber (12), and a gas detector (18) connected to the suction chamber (12). According...
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WO/2023/117851A1 |
The present disclosure relates to a process for producing a filtration and/or diffusion device, e.g., a capillary dialyzer or an ultrafilter, and to devices used in the process.
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WO/2023/112819A1 |
This silica contamination inhibition method for a reverse osmosis membrane system is characterized by causing an acrylic acid-based polymer and/or a maleic acid-based polymer, and a bound chlorine-based oxidizer and/or a bound bromine-ba...
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WO/2023/113601A1 |
In a first aspect, the invention relates to a sealing method for the sealing of a metal sleeve to an inorganic membrane, said method comprising the steps of providing a metallic sleeve to cover at least part of the inorganic membrane, an...
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WO/2023/100958A1 |
Provided is a state diagnosis method for a separation membrane element for obtaining permeated water from water to be treated, the state diagnosis method involving diagnosing, on the basis of predetermined state diagnosis criteria, at le...
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WO/2023/100932A1 |
In this invention: a gas inlet (11a) of a first gas separation membrane unit (11) is connected with a line (6); a compression means (21) and a heating means (61) are provided in an intermediate portion of the line (6); an impermeable gas...
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WO/2023/097171A1 |
A method for mitigating formation of biofilm in a water system using predictive analysis of biofilm growth. An electrical current to the water system is used to deactivate bacteria and mitigate biofilm formation. The method also allows f...
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WO/2023/084924A1 |
A preservation liquid for a semipermeable membrane, the preservation liquid containing an ascorbic acid compound and a sorbic acid compound, and having a pH of 3.0-6.0.
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WO/2023/085936A1 |
Residential water treatment system, including: -a rain water collector (1), a water treatment unit (9), and a pump (2) for pumping water from the rain water collector (1) to the water treatment unit (9) via a water duct (8), wherein the ...
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WO/2023/066867A1 |
The invention relates to a method for analysing the properties of biomedical membranes, in particular for the removal of active substances over time by adsorption, dialysis, filtration, or diafiltration.
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WO/2023/068433A1 |
The present invention relates to a polyvinylidene fluoride (PVDF) composite separation membrane manufacturing method, and a PVDF composite separation membrane manufactured using same, and the PVDF composite separation membrane manufactur...
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WO/2023/062970A1 |
This drug injection system is provided with: a storage unit where a drug is stored; an injection path for injecting the drug in the storage unit into a flow path, through which the water to be treated flows, upstream of a reverse osmosis...
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WO/2023/064546A1 |
Filtration vessels containing multiple filtration elements, and devices and processes for detection of leaks within these filtration elements.
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WO/2023/058485A1 |
The purpose of the present invention is to provide a water treatment chemical that can impart excellent water permeability and water permeability retention to a water treatment membrane. The present invention relates to a water treatment...
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WO/2023/051885A1 |
An apparatus for refining proteins or other biomolecules in biological compositions, such as for separation of proteins from milk, whey, blood plasma, fermentation broth, or similar.
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WO/2023/053504A1 |
The present invention provides a cleaning agent, a cleaning liquid and a cleaning method, which are capable of effectively removing a contaminant that is not able to be sufficiently removed by conventional cleaning liquids in cases where...
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