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Matches 1 - 50 out of 12,398

Document Document Title
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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. ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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, ...  
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...  
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...  
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....  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2018/130592A1
The invention relates to an extracorporeal blood treatment device for performing an extracorporeal blood treatment, wherein blood flows through the blood chamber (2) of a dialyzer (1) in an extracorporeal blood circuit A, which dialyzer ...  
WO/2018/131150A1
The purpose of the present invention is to provide a filtration apparatus with which the apparatus overall can be made more space-saving. This filtration apparatus is provided with multiple filtration modules with multiple hollow fiber m...  
WO/2018/127345A1
The present invention describes a system for aerating a submerged membrane. The system comprises: a device for supplying pressurized air; at least one aeration orifice for the submerged membrane; a duct for feeding air from the air suppl...  
WO/2018/123515A1
Provided are a method, and an evaluation device therefor, for deriving an actual separation coefficient that indicates the performance of an actual separation membrane, while maintaining the advantage of simplicity of an evaluation means...  
WO/2018/122013A1
The present invention is directed to a self-sufficient process for the electrodialytical raffination of process streams containing components which tend to polymerize, gel or precipitate within pH shifts.  
WO/2018/115639A1
The subject matter of the invention concerns a tangential flow separation element comprising a rigid, porous, single-piece support member (2) in the interior of which there is at least one channel (41) for the circulation of the fluid me...  
WO/2018/115291A1
The invention relates to an apparatus and a process for filtering beer comprising a membrane filter through which unfiltrate can be recirculated and filtrate diverted, at least one sensor in the unfiltrate stream for measuring a paramete...  
WO/2018/110986A1
A filter medium according to one embodiment of the present invention comprises: a first support having a plurality of pores; a nanofiber web comprising nanofibers disposed on upper and lower portions of the first support and forming a th...  
WO/2018/110965A1
A filter medium is provided. The filter medium according to an embodiment of the present invention comprises: a first support body having a plurality of pores; a nanofiber web comprising nanofibers disposed on upper and lower sides of th...  
WO/2018/109964A1
A filtration device according to an aspect of the present invention includes: a plurality of filtration modules each including a plurality of hollow fiber membranes that are arranged in parallel so as to extend in the top-bottom directio...  
WO/2018/111341A1
Peroxyformic acid compositions for treatment and removal of biofilm growth and mineral deposits on membranes for energy services applications are disclosed. In particular, peroxyformic acid compositions are generated in situ or on site g...  
WO/2018/110990A1
A filter medium is provided. The filter medium according to an embodiment of the present invention comprises a second support body and a nanofiber web layer which are sequentially stacked on each of both surfaces of a first support body,...  
WO/2018/104498A3
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...  
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...  
WO/2018/104498A2
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...  

Matches 1 - 50 out of 12,398