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WO/2020/158645A1 |
Multiple chemical infusion levels of differing chemical infusion volumes are set. When control is initiated, chemical infusion is started at the level with the highest chemical infusion volume. Each time a sampling period S passes, the r...
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WO/2020/158895A1 |
A method for determining cleaning conditions of a filter, which is utilized for the purpose of cleaning a filter that is used for purification of raw water with use of a cleaning liquid that contains hydrogen peroxide, and which comprise...
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WO/2020/159700A1 |
A system and method to increase surface friction across a hydrophobic, anti-fouling, and oleophobic coated substrate. The substrate has a hydrophobic surface defined by a surface friction. The system works to increases the surface fricti...
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WO/2020/159789A1 |
A method for visualizing biofilm on a solid surface. The method comprises steps of: (a) providing a solid surface which has been in contact with an aqueous medium and at least a portion of the solid surface potentially is covered with bi...
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WO/2020/152100A1 |
Filtering system comprising - at least a first and a second stage membrane filter, - wherein the first stage membrane filter has a first stage feed inlet, a first stage permeate outlet and a first stage retentate outlet, - wherein the se...
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WO/2020/148411A1 |
The invention relates to a method for manufacturing a dialysis filter comprising fluorine-containing hollow fiber membranes, the fluorine-containing hollow fiber membranes being made by a method comprising at least steps (A) to (C): (A) ...
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WO/2020/148016A1 |
The invention relates to a moistening module (6) having a membrane (9) which is permeable to water vapor, having spacers (11) arranged on both sides of the membrane (9), each spacer defining a flow field, and having a thread (13) sewn in...
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WO/2020/123243A9 |
A spiral wound membrane module, comprising a perforated core having an axially extending internal bore; at least one membrane packet comprising a folded membrane sheet defining a first outer face, a first inner face, a second outer face ...
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WO/2020/137564A1 |
A plurality of membrane separation units 11 are disposed vertically in multiple levels. In each of the membrane separation units 11: the primary side, to which raw water is supplied, is connected to a backwash drainage system 12 and a fl...
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WO/2020/136718A1 |
[Problem] To regenerate an inorganic separation membrane that separates non-hydrocarbon gas contained in a gas to be treated using a simple procedure. [Solution] The present invention is provided with a regeneration gas supply channel th...
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WO/2020/139092A1 |
A method comprising modifying of separation material surfaces, characterized by placing a flat membrane with generated hydroxyl groups, a modifying solution and dichloromethane in a glass vessel, tightly sealing said vessel and mixing sa...
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WO/2020/138231A1 |
Provided is a filtration apparatus comprising a flow control means and a separation membrane module, wherein the filtration apparatus has a liquid flow detection means for detecting liquid flow at a chosen site and an external control me...
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WO/2020/136963A1 |
Provided is a sterilization method for a water system, the sterilization method being capable of suppressing the production amount of a nitrosamine compound while exhibiting a sufficient sterilization effect in precursor-containing water...
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WO/2020/093015A9 |
Disclosed are devices, methods and/or systems for use in protecting items and/or structures that are exposed to, submerged and/or partially submerged in aquatic environments from contamination and/or fouling due to the incursion and/or c...
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WO/2020/129705A1 |
The present invention provides a wastewater treatment apparatus that can treat wastewater in a stable manner, and a wastewater treatment method. A wastewater treatment facility 10 is provided with an FO membrane unit 21. The FO membrane ...
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WO/2020/131435A1 |
A fluorometric monitoring technique can be used to rapidly evaluate the efficiency of an osmosis membrane. In some examples, the technique includes injecting a bolus of fluorescent tracer into a feed stream. The tracer may be introduced ...
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WO/2020/118438A1 |
An ultrafiltration/nanofiltration membrane with gas-tunable pore size is provided. This membrane comprises an active layer arranged between two porous support layers, wherein the active layer is formed of randomly arranged cellulose nano...
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WO/2020/121881A1 |
Provided is a membrane defect inspection method that enables automatic detection of filter membrane tearing and seal failure, and that is capable of individually identifying membrane modules in which tearing or seal failure has occurred....
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WO/2020/121880A1 |
The present invention provides a membrane defect inspection method, which is capable of automation of filtration membrane rupture detection and can appropriately detect the presence of membrane module ruptures and/or seal failures. This ...
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WO/2020/123939A1 |
A high velocity cross flow dynamic membrane filtration system includes a disc membrane assembly having a frame and at least three support shafts in an orthogonally positioned relationship, each support shaft defining a longitudinal axis ...
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WO/2020/116005A1 |
Provided are: an oil-containing drainage water filtration apparatus which is compact in size and rarely undergoes the adhesion of an oil-containing solid matter; and an oil-containing drainage water filtration method. An oil-containing d...
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WO/2020/109943A1 |
A membrane having a first outer surface having a plurality of pores in a skin layer and the plurality of pores having a closed perimeter in the skin layer. The membrane having a second outer surface and a porous supporting layer connecti...
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WO/2020/111949A1 |
A filter device comprises two or more membrane filter units (108), each having an inlet opening for a fluid flow (F) to be processed,a first outlet opening for at least one portion (R) of said fluid flow and second outlet port for at lea...
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WO/2020/110852A1 |
The purpose of the present invention is to realize a water purification device capable of obtaining purified water even when a solenoid valve is not operated at the time of a power failure. A water purification device (1) has a solenoid ...
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WO/2020/112411A2 |
A multimodule system for continuous purification of biochemical mixtures is provided. The system includes at least one immobilization module in which chromatography resin from a resin source is contacted with a feed solution from a feed ...
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WO/2020/108036A1 |
Disclosed is a processing system for recycling cleaning water in a cleaning sweeper truck. The processing system includes a tank, a high-pressure water pump, a high-pressure water spray pipe and a sucking disc, and further includes a cen...
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WO/2020/104728A1 |
The present invention relates to the field of treatment of water, process water, wastewater, sewage or sludge, and more particularly to a method and apparatus for treatment of saline water. An apparatus for treatment of saline water acco...
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WO/2020/099125A1 |
The invention relates to a method (200, 201, 202) for recovering alkaline solution (1) from aqueous alkaline solution (2) contaminated with hemicelluloses (22), and to a device (100, 101) for carrying out the method (200, 201, 202), in w...
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WO/2020/100763A1 |
Provided is a filtration method having exceptional filtration properties and cleansing efficiency as well as a long service life. The present invention pertains to a filtration method characterized by including: a filtration step for pas...
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WO/2020/098878A1 |
The invention relates to a filter apparatus (1) for filtering algae, microorganisms and the like out of water, comprising a feed inlet (4), a filter chamber (2) to which water can be fed via the feed inlet (4), a filter membrane (5) for ...
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WO/2020/097093A1 |
Disclosed herein are methods and devices for reducing or minimizing physical stresses exerted on components in a fluid, e.g., platelets in blood, flowing into or out of a filter, such as a hemodialysis filter.
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WO/2020/094821A1 |
A support device (20) is provided to facilitate assembly and/or disassembly of a filtration unit of a membrane filtration apparatus, which may be configured for production of a food product, by supporting a membrane element (12) during t...
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WO/2020/094463A1 |
Removal of metal ions from chemical enhanced backwash water for membrane cleaning The invention relates to a process for cleaning a polymer membrane comprising the steps of (A) filtering an aqueous liquid through the polymer membrane to ...
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WO/2020/097410A1 |
A process and system for cleaning semipermeable membranes is described that is particularly well suited for cleaning membranes contained in a water purification system, such as a reverse osmosis process. In order to clean the filter memb...
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WO/2020/092430A1 |
In embodiments of the present invention, flow dividing strips are used in the construction of the spiral wound element to segregate and direct feed to reject flow of a reverse osmosis element. Flow dividing strips isolate the flow of flu...
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WO/2020/090204A1 |
An apparatus 10 for processing an acidic treatment liquid according to the present invention is provided with: a tank 11 which internally has a space; a diaphragm 12 which divides the internal space of the tank 11 into a first chamber S1...
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WO/2020/085106A1 |
The present invention provides reverse osmosis treatment device and a reverse osmosis treatment method such that feed water having a high level of TDS can be stably treated by reverse osmosis while fouling of the reverse osmosis membrane...
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WO/2020/081344A1 |
Methods, systems, and computer-readable media comprising instructions of using a ceramic filtration system are described, the ceramic filtration system comprising a feed channel and a ceramic membrane. Steps include supplying liquid into...
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WO/2020/079091A1 |
The invention relates to a membrane separating method for processing liquids, wherein: the liquid stream of a liquid to be processed is supplied, via an inlet (17), to a separating membrane (5) designed as a flat membrane, such that a pu...
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WO/2020/080880A1 |
The present specification provides a method for detecting defects in a separation membrane element and a device for detecting defects in a separation membrane element.
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WO/2020/080008A1 |
Provided is a system for treating a tetraalkylammonium-hydroxide-containing liquid, the system having: a high-pressure reverse osmosis membrane device that concentrates a liquid being treated on a concentration side, the liquid being tre...
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WO/2020/078763A1 |
The present invention relates to a system for predicting filter life, the system comprising a water treatment device and a control module, wherein, the control module is configured to: store values of Cn, wherein Cn is an inverse functio...
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WO/2020/071507A1 |
The present invention provides a method for preparing a water quality profile that has (1) a step 1 for supplying water to be treated to a separation membrane module with a supply port for the water being treated and multiple permeate ou...
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WO/2020/071309A1 |
A water treatment chemical for membranes, which contains a polymer compound having a carboxyl group and a sulfo group, preferably a polymer compound represented by formula (1). A membrane treatment method wherein this water treatment che...
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WO/2020/070788A1 |
This filtration membrane processing device for processing a filtration membrane (1) with ozone is provided with: a first supply unit (3) for supplying an ozone-containing fluid to the filtration membrane (1); a measurement unit (8) for o...
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WO/2020/069095A1 |
A filtration system has a filter element with a filtration membrane, a feed inlet and a concentrate outlet on a first side of the membrane and a permeate outlet on a second side of the membrane. A feed line with a feed shutoff valve is i...
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WO/2020/068989A1 |
Disclosed are methods of treating wastewater using a membrane bioreactor and achieving a target phosphorus concentration for the membrane permeate stream. These methods include the steps of dosing a wastewater stream with a rare earth cl...
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WO/2020/068041A1 |
Techniques for separating particles of interest from whole blood are disclosed. An example particle separation chip includes a first inlet on the particle separation chip for receiving whole blood and a second inlet on the particle separ...
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WO/2020/059477A1 |
The present invention provides a reverse osmosis treatment device and a reverse osmosis treatment method with which it is possible to suppress fouling of a reverse osmosis membrane without causing major deterioration of the membrane, and...
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WO/2020/046569A1 |
A high recovery variable volume reverse osmosis system where the volume of concentrate cycled through the RO system is reduced in response to recovery levels increasing. By reducing the volume of concentrate cycled through the RO system,...
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