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Matches 1 - 50 out of 28,261

Document Document Title
WO/2019/118603A1
A multi-stage membrane system is provided to separate helium from a gas stream such as a natural gas stream. There are at least two permeate streams from a first membrane module. One of the permeate streams is compressed and sent to a se...  
WO/2019/115274A1
The present invention relates to a method for removing metal ions from an aqueous system comprising a step of filtering the aqueous system through a loaded membrane which contains a carrier membrane based on a polyarylene ethersulfone wh...  
WO/2019/117479A1
The present invention relates to a feed spacer and a reverse osmosis filter module including the same and, more specifically, to: a feed spacer having multiple functions since strands are formed in one feed spacer at different angles alo...  
WO/2019/116310A1
Embodiments of the present disclosure describe functionalized polymeric membranes including one or more dithiol compounds that extend from a nanoparticle provided on or near a surface and/or pores of a polymer material, wherein at least ...  
WO/2019/117121A1
The purpose of the present invention is to provide a wastewater treatment method that can implement zero liquid discharge (ZLD). Provided is a wastewater treatment method for recovering water in wastewater treatment and disposing of or r...  
WO/2019/116357A1
This disclosure relates to a method for extracting keratin from animal hair, in particular from pigs hair, wherein the method comprises several steps, for example degreasing the animal hair with a solution of a degreaser and filtering th...  
WO/2019/113649A1
Disclosed herein is an ion selective separation membrane including:a metal organic framework layer formed on, in, and/or around a substrate, the metal organic framework having a crystal structure that includes a first surface and a secon...  
WO/2019/116073A1
A method and system for cleaning a semi-permeable membrane (3) in a pressure vessel (2) of a desalination plant, said membrane having a feed side (FS) and an opposite permeate side (PS) and extending between a front end and a rear end of...  
WO/2019/116113A1
(57) The invention relates to means of water purification. A pump unit of the reverse-osmosis filtration system comprises a housing 18 with a power unit 19 installed inside, wherein the power unit 19 is connected to the following: a pump...  
WO/2019/117351A1
The present invention relates to a method for preparing a lithium chloride aqueous solution, a method for preparing lithium hydroxide, and a method for preparing lithium carbonate. Provided is a method for preparing a lithium chloride aq...  
WO/2019/111475A1
An ion exchange membrane having at least one group selected from a tertiary amino group, a secondary amino group and a primary amino group as a functional group. A deionization device in which the ion exchange membrane is used. A method ...  
WO/2019/111474A1
A method for suppressing silica scale in a reverse osmosis membrane during water treatment in which silica-containing supply water is caused to flow through the reverse osmosis membrane. When the water volume supplied to a reverse osmosi...  
WO/2019/110679A1
The present invention provides a layered electroosmotic structure for transporting fluid by electroosmotic transport. The layered structure comprises: a porous layer; a first electrode located on a first side of the porous layer; and a s...  
WO/2019/112933A1
A method for treating produced water in a system for treating wastewater is disclosed. The system includes a reverse osmosis unit for removing dissolved solids. The reverse osmosis unit produces a permeate and concentrate. To reduce the ...  
WO/2019/111116A1
A water intake and pretreatment system (4) for a desalination plant comprising at least one intake pipe (10) for delivering filtrated feed water from a water source, such as the sea, to a desalination plant (6) provided on land. A region...  
WO/2019/111476A1
A method for treating concentrated water from reverse osmosis membranes, characterized by using a monovalent selective cation exchange membrane for some or all cation exchange membranes and treating the concentrated water using electrodi...  
WO/2019/113020A1
A system for desalinating a fluid including an evaporator and a condenser are disclosed. The evaporator includes a membrane and a selective fight absorption surface. The selective light absorption surface includes a plurality of nanostru...  
WO/2018/094082A3
Embodiments disclosed herein are directed to methods and systems of concentrating effluent, removing nitrogen from an effluent, and producing fertilizer from an effluent. In an embodiment, the effluent is a digestate, such as from a biom...  
WO/2019/107045A1
This analysis method for quantifying urea in a sample solution has: a pretreatment step for pretreating the sample solution by at least one among a membrane device having a reverse osmosis membrane and an ion exchange device having an io...  
WO/2019/107498A1
[Problem] To provide a filter device capable of stably filtering, at a fixed flow rate, a liquid to be treated. [Solution] This filter device comprises: one or a connected plurality of first units, each comprising a first separation memb...  
WO/2019/108136A1
There is provided a thin film composite (TFC) hollow fibre membrane comprising a porous hollow fibre support layer formed of a polymer and a selective layer, formed of a cross-linked polyamide, on an inner circumferential surface of the ...  
WO/2019/102871A1
The purpose of the present invention is to provide: a solvent dehydration system 1 that is capable of efficiently dehydrating a mixed liquid X2 by supplying the mixed liquid X2, which is at a stable temperature, to a pervaporation device...  
WO/2019/100159A1
There are provided processes for preparing a metal hydroxide comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum, the process comprising: reac...  
WO/2019/102035A1
The present invention relates to a method for recovering N from a liquid waste stream; such as a stream of urine or manure, such as human urine, said method comprising passing said waste stream through a multi-compartment electrodialysis...  
WO/2019/101541A1
A disposable device (10) for filtering a large medium volume comprises a multiplicity of disposable filter units (12), of which at least some, preferably all, are connected to one another by rigid lines. The filter units (12) comprise at...  
WO/2019/074281A3
A reverse osmosis filtering module and a reverse osmosis filter comprising the same are described. One embodiment of a reverse osmosis filtering module according to the present invention may comprise: a purified water discharging pipe wh...  
WO/2019/096501A1
The invention relates to a method for filtering a large volume of a medium with a pre-sterilisable, at least semi-automated one-way filtration device (10), comprising an unfiltrate inlet (56), a filtrate outlet (58), a main line running ...  
WO/2019/097261A1
A process for separating solvent from a feed solution, said process comprising contacting the feed solution with one side of a first semi-permeable membrane; applying hydraulic pressure to the feed solution, such that solvent from the fe...  
WO/2019/098390A1
This system for concentrating solvent-containing articles involves a first step in which: a supply flow (a) comprising solvent-containing articles containing a solute and a solvent (b) is caused to flow counter to or parallel with a perm...  
WO/2019/096080A1
In the method for decolorizing a vegetable wax, a vegetable wax raw material dissolved in an organic solvent is contacted under pressure with a nanofiltration membrane having a higher rejection for a pigment, contained in the vegetable w...  
WO/2019/096502A1
An automated single-use filtering apparatus (10), in particular for large-volume filtering processes, comprises an unfiltered matter inlet (56), one or more filter elements, a filtered matter outlet (58), sensors for sensing certain proc...  
WO/2019/092232A1
The invention relates to an electronic safety system for an RO installation (RO), which RO installation is designed for use with at least one dialysis device (D). For this purpose, the system comprises: the RO installation (RO), which is...  
WO/2019/094685A1
Disclosed herein are asymmetric thin-film composite membranes and methods of making and using the same. Also included herein are asymmetric thin-film composite membranes for preventing and/or reducing microfouling or macrofouling. Additi...  
WO/2019/090470A1
A highly permeable and highly selective pervaporation film for dehydration of organic solutions and a preparation method therefor, which uses CS (chitosan) chelated with a heavy metal ion (M+) such as Ag+, Cu2+, or Fe3+ as a precursor, b...  
WO/2019/093183A1
A method for suppressing silica scale growth, said method comprising, to a water system to which silica scale adheres, adding a nonionic polymer in such a manner that the concentration of the nonionic polymer in circulation water circula...  
WO/2019/094249A1
Processes and systems for filtering a liquid sample are provided. Batches of a liquid sample can be routed to two or more cycling tanks (e.g., first and second cycling tanks). Upon filling a first cycling tank, a first batch of the liqui...  
WO/2019/091818A1
The water dispensing device of the present invention with the given flow path of water and the control circuit configured store at least two threshold TDS values XA and XB, wherein XA is a higher TDS value than XB; and to drain water fro...  
WO/2019/094333A1
The invention pertains to methods of improving the yield and preserving the quality of recombinantly produced proteins and polypeptides in a production bioreactor process by manipulating or controlling the temperature of a bioreactor pro...  
WO/2019/091556A1
The present invention relates to a method for producing a food concentrate, wherein an aqueous starting solution originating from a food item is concentrated by osmosis using a semi-permeable biomimetic membrane. The present invention fu...  
WO/2019/091937A1
The present invention provides a water dispensing device for providing output water in a constant Total Dissolved solids (TDS) range, the device comprising: a. a feed water inlet in fluid communication with a water storage chamber; b. a ...  
WO/2019/088782A1
The present invention provides a hybrid power generation apparatus and method capable of electricity production and deionization simultaneously, in which sea water or brackish water is continuously desalinated by using electrochemical po...  
WO/2019/088193A1
The present invention provides a method for producing lipid particles that have a desired particle diameter, the method comprising: (A) a step for preparing, in a first mixing region, a primary dilution by mixing a first solution contain...  
WO/2019/090334A1
A sanitary membrane cartridge for use in reverse osmosis filtering includes an outer housing, a central core tube, and a membrane leaf wound around the central core tube to form a cylindrical filter. The cartridge further includes a seal...  
WO/2019/090340A1
A reverse osmosis filtration system includes a set of at least 5 insulated reverse osmosis pressure vessels, the vessels being coupled so that each successive vessel has (a) its feed inlet coupled to the retentate outlet of its preceding...  
WO/2019/087867A1
Provided is a seawater desalination method in which the amount of energy consumed in a reverse osmosis step is reduced. This seawater desalination method for obtaining fresh water from seawater includes: a forward osmosis step for contac...  
WO/2019/090349A1
A reverse osmosis filtration system includes a set of two or more reverse osmosis pressure vessels coupled in series, each pressure vessel having one or more reverse osmosis membrane elements, a feed inlet, a retentate outlet, a permeate...  
WO/2019/088633A2
The present invention relates to a water treatment filter module, an apparatus and method for manufacturing a helical strand for a water treatment filter module, and a method for manufacturing a spacer. According to an aspect of the pres...  
WO/2018/229505A9
A method for generating electricity comprising the steps: (A) passing a concentrated ionic solution through a first pathway in a reverse electrodialysis unit comprising a membrane stack having electrodes and alternating cation and anion ...  
WO/2019/082183A1
Provided herein is forward osmosis-based water purification process, that includes contacting a solution of a soluble draw agent with a dehydrated insoluble draw agent, separating the now hydrated insoluble draw agent from the now concen...  
WO/2019/083412A1
The present group of inventions relates to facilities for producing liquid carbon dioxide, dry ice and nitrogen by the membrane separation of gases, and more particularly to methods for producing or extracting carbon dioxide from fuel co...  

Matches 1 - 50 out of 28,261