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WO/2018/224098A1 |
The invention relates to a membrane consisting of a carrier layer and a separating layer connected to the carrier layer, wherein the separating layer is made of a porous polymer. The surface of the separating layer facing away from the c...
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WO/2018/225186A1 |
The purpose of the present invention is to provide a device for cleaning with a high utilization efficiency for ozone gas with a simple constitution while preventing increases in size, as well as a method for cleaning a water treatment m...
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WO/2018/220982A1 |
Provided is a method for treating nonionic surfactant-containing water, the method comprising an adsorption step for passing nonionic surfactant-containing water as supplied water through a microfiltration membrane or ultrafiltration mem...
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WO/2018/223137A1 |
The present invention relates generally to an effluent treatment device including in one embodiment a skid configuration. The method and apparatus of the present invention can use only two fluid pump units and including individual or mul...
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WO/2018/220086A1 |
Disclosed is a hollow fiber filter arrangement (1; 101; 201) and a bioreactor system comprising such a hollow fiber filter arrangement. The hollow fiber filter arrangement comprising: an inlet (3; 103; 203) for receiving a sample to be f...
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WO/2018/210644A1 |
The disclosed prefabricated filtering module (10) is provided for a modular filtering system, in particular a cross-flow filtering system, for low-volume screening applications. The prefabricated filtering module (10) has fluid connectio...
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WO/2018/213662A1 |
One embodiment provides a system, including: at least two water analyzers, wherein at least one of the at least two water analyzers is positioned upstream of a purification apparatus and wherein at least another of the at least two water...
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WO/2018/204983A1 |
The extent of fouling of a spiral wound membrane module such as used in water treatment plants can be monitored using one or more sensors disposed between wraps of the membrane. The sensors, including electrodes, can communicate signals ...
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WO/2018/207343A1 |
[Problem] To provide a gas separation device that is economical and can suppress reductions in the availability factor for the separation of non-hydrocarbon gases from a gas to be treated that includes non-hydrocarbon gases using a gas s...
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WO/2018/199093A1 |
The present invention is equipped with: a reverse osmosis membrane device 15 to which is connected an inflow water line L1 into which inflow water 11 flows, the reverse osmosis membrane device 15 having a reverse osmosis membrane 14 for ...
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WO/2018/198245A1 |
A reverse osmosis membrane plant includes: a reverse osmosis membrane device 15 to which an inflow water line L1 for introducing influent water 11 is connected and which has a reverse osmosis membrane 14 for obtaining permeated water 12 ...
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WO/2018/192945A1 |
The invention relates to a device for detecting deposits in a membrane module that produces a permeate (P) and contains at least one permeable or semipermeable membrane layer (1), wherein at least one polymer optical fibre (3) for the pu...
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WO/2018/190654A1 |
The present invention relates to: a filtering module in which the fouling of a separation membrane is reduced by a rotor of a centrifugal pump; and a separation method using same. More particularly, the present invention relates to: a fi...
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WO/2018/189254A1 |
The present disclosure relates to a filtration device comprising a plurality of hollow fiber membranes, a process for its production, and its use for the dead-end filtration of infusion liquids.
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WO/2018/185312A1 |
The invention relates to a thermally sterilisable fluid filter (10) for concentrating substances contained in a fluid (F), in particular in the course of micro- and nano- or ultra-filtration of the fluid. According to the invention, the ...
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WO/2018/180095A1 |
A method for inspecting a separation membrane module (10) is provided with a sealing step for sealing a gas for inspection on a primary side of zeolite membrane (12). The dynamic molecule size for the gas for inspection is greater than 1...
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WO/2018/180210A1 |
A film regeneration method for regenerating a film that is suitable for use in separation of some hydrocarbons from a hydrocarbon mixture. More specifically, a film regeneration method which comprises: a step (A) wherein a hydrocarbon mi...
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WO/2018/180735A1 |
The present invention addresses the problem of providing a chemical solution refining method, with which it is possible to obtain a chemical solution capable of suppressing occurrence of a short circuit in a semiconductor substrate manuf...
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WO/2018/179959A1 |
A test method for a separation membrane module (10) includes the following: an assembly step for sealing, within a casing (2), a separation membrane structure (1) having a porous base material (11) and a separation membrane (12); and a t...
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WO/2018/179502A1 |
A hollow fiber membrane filtration device is provided with a hollow fiber membrane module having: a container 1 having a treated water outlet 5 and a concentrated water outlet 8; a hollow fiber membrane 2; an upper end fixing unit 3 for ...
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WO/2018/181579A1 |
[Problem] To improve the qualities of a microporous film formed of a polyvinylidene fluoride-based resin. [Solution] A polyvinylidene fluoride-based microporous film comprising a base film and a microporous film, said microporous film be...
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WO/2018/179511A1 |
[Problem] To provide a membrane filtration method in which reduction in a viral removal rate in the initial period of filtration can be prevented. [Solution] This membrane filtration method comprises: a membrane filtration step for addin...
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WO/2018/183481A1 |
Articles and methods involving filter media are generally provided. In certain embodiments, the filter media includes at least a first layer, a second layer, and an adhesive resin positioned between the first layer and the second layer. ...
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WO/2018/174279A1 |
A membrane distillation device, provided with a membrane distillation module including a plurality of hydrophobic porous hollow fiber membranes, and a condenser for condensing water vapor extracted from the module. The average pore diame...
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WO/2018/173928A1 |
To determine, at an earlier stage, age-related degradation of a cell capture filter provided with a metal porous membrane. A cell capture filter comprises a metal porous membrane having a plurality of through-holes passing through main s...
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WO/2018/173354A1 |
Provided is a membrane separation device whereby the airflow of membrane surface aeration can be suppressed and operating cost can be reduced. The present invention is provided with a separation membrane 2 for filtering water to be treat...
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WO/2018/168012A1 |
Raw water is supplied from piping 1 to a heat exchanger 2 and heated, and then water vapor from piping 3 is supplied to a heat exchanger 4 and further heated, after which the water vapor is supplied to a reverse osmosis (RO) device 6. Pe...
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WO/2018/168522A1 |
A water treatment chemical for membranes, which can be used for preventing the contamination of a membrane by an organic compound having a phenolic hydroxy group, and which contains an organic amine having at least two nitrogen atoms and...
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WO/2018/168641A1 |
A cleaning fluid and detergent for water-contact members which both contain free chlorine and a combined-chlorine compound, wherein the molar ratio of the total chlorine (Cl2) to the nitrogen atoms N derived from the combined-chlorine co...
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WO/2018/167667A1 |
A composition for cleaning membranes used in food processing comprising an amine oxide and an alkyl sulfate, the composition maintaining good cleaning performance whilst leaving a low residue of surfactant on the membrane that is cleaned...
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WO/2018/163468A1 |
Disclosed is a method for managing the operation of a reverse osmotic membrane device, the method involving managing the operation of the reverse osmotic membrane device on the basis of the concentrations of aluminum ions and/or iron ion...
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WO/2018/163934A1 |
Provided is a water treatment chemical which is in solution form and comprises, as one agent, gluconic acid (salt) and a surfactant having an HLB that is obtained from formula (1) and that satisfies formula (2). This water treatment chem...
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WO/2018/163705A1 |
In order to evaluate the cleanliness of a hollow fiber membrane device prior to attachment of same to an ultrapure water production device, this method for evaluating the cleanliness of hollow fiber membrane devices includes: capturing, ...
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WO/2018/104498A9 |
The invention relates to a method for producing a hollow fibre membrane bundle from a plurality of polysulphone-based and PVP-based hollow fibre membranes, involving: providing a spinning solution comprising a material based on polysulph...
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WO/2018/162981A1 |
The present disclosure relates, according to some embodiments, to methods of marker based direct integrity testing of at least one membrane comprising: (a) dosing a feed fluid of a loop with at least one marker comprising at least one ch...
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WO/2018/163706A1 |
Provided is a cleaning method for a hollow fiber membrane device, whereby the impact on the startup time of an ultrapure water production device is suppressed and microparticles are efficiently removed. The cleaning method for the hollow...
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WO/2018/159561A1 |
The present invention provides a reverse osmosis treatment device and a reverse osmosis treatment method with which it is possible to continuously perform a reverse osmosis treatment even during washing of piping accompanying the device....
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WO/2018/158943A1 |
The present invention makes it possible to effectively inhibit deterioration of a RO membrane occurring when the oxidation/reduction potential of supply water for the RO membrane is high or when oxidizing substances are included in suppl...
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WO/2018/156223A1 |
A method of integrity testing porous materials that is non-destructive to the material being tested. The inlet gas stream includes at least two gases, wherein one of the gases has a different permeability in liquid than the other, such a...
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WO/2018/153992A1 |
The present invention relates to wastewater filtration using one or more through flow hollow tubular members having a fluid penetrable wall being configured for supporting a filtration cake through which the wastewater is filtered. The f...
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WO/2018/153978A1 |
Spiral wound membrane rolls and modules and methods for making such membrane rolls and modules are described, along with water extraction or water filtrations systems comprising the spiral wound membrane rolls and modules and the use the...
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WO/2018/155250A1 |
This siphon-type air diffusion device for performing intermittent aeration is provided with: at least two siphon-type air diffusion pipes; and an air supply means for supplying air to the at least two siphon-type air diffusion pipes. The...
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WO/2018/150827A1 |
Provided is a means with which it is possible to prevent deterioration of the quality of a facilitated transport film for an extended period of time. A method for packaging a facilitated transport film that selectively transmits a specif...
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WO/2018/145714A1 |
The invention relates to a vibrating device for a filter-plate assembly for liquid filtration comprising a vessel housing for the filter-plate assembly and one or more flexible volume chambers being filled with gas, where the volume cham...
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WO/2018/148528A1 |
A submersible reverse osmosis desalination apparatus and method employs airlift to remove desalinated water from the apparatus via as annular flow regime over a substantial portion of the product water discharge conduit. Use of a high ai...
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WO/2018/142904A1 |
A method for modifying a reverse osmosis membrane is provided with which it is possible to regulate the reverse osmosis membrane so as to have a given rejection of non-charged substances. The method, which is for modifying a polyamide-ba...
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WO/2018/138160A1 |
An automated modular filtration system, in particular for low volume tangential flow filtration processes, comprises a plurality of filtration modules (10)formed as separate assemblies. Each filtration module (10) contains at least one i...
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WO/2018/138970A1 |
A method for treating water containing organic matter according to this embodiment of the present invention is characterized in that, before performing biological treatment on discharged water containing organic matter, the discharged wa...
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WO/2018/135080A1 |
An electrolyzed-water generation device 1 applied to electrolyzed-water dialysis is provided with an electrolysis tank 4 in which a first electrode chamber 40A in which a first feed conductor 41 is disposed and a second electrode chamber...
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WO/2018/136389A1 |
A potable water producing system for disposition at a salt water body and methods of producing potable water are provided. The system includes a wave energy conversion system (AWECS) and a portable filtration system. The AWECS forms a fl...
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