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WO/2015/173981A1 |
[Problem] To provide a reverse osmosis membrane water purification apparatus in which the capacity of a used reverse osmosis membrane can be regenerated. [Solution] A direct reverse osmosis membrane water purification apparatus (100) for...
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WO/2015/172050A2 |
Structures comprising a first sheet of perforated two-dimensional material and a first plurality of spacer elements disposed between a surface of the first sheet of perforated two-dimensional material and at least one of a surface of a s...
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WO/2015/170495A1 |
Provided is a filtration treatment system which simplifies the process of, and reduces wash drainage in, filtration treatment which involves subjecting water to be treated containing organic matter to prefiltration treatment and then to ...
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WO/2015/170843A1 |
The present invention relates to a highly-concentrated organic waste water system and waste water treating method using a heating membrane filtration concentrating device. More particularly, the present invention relates to a method whic...
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WO/2015/170708A1 |
The purpose of the present invention is to provide a hollow fiber membrane module in which a hollow fiber membrane is embedded, wherein the hollow fiber membrane includes a polysulfone polymer and a hydrophilic polymer, the hollow fiber ...
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WO/2015/171687A1 |
A method of filtering a fluid with components includes providing an alternating pressure. The alternating pressure yields an oscillating transmembrane pressure through volume and pressure variations within a filtration chamber while seal...
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WO/2015/163429A1 |
The objective of the present invention is to improve the cleanability of a clarifying-film module that is provided with a hollow-fiber clarifying film, and provide a method for operating the clarifying-film module that improves treatment...
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WO/2015/164505A1 |
The system and method of the present application improves the efficiency of systems utilizing spiral membranes but can also be applied to systems using other types of membranes. The membrane vessels and membranes are configured in a vert...
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WO/2015/156118A1 |
An oil-water separation treatment system according to an embodiment of the present invention separates an oil component that is not soluble in water from an oil-water mixture and is provided with an adsorption tower unit that comprises o...
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WO/2015/155299A1 |
A pressure compensation label (10) is proposed for sticking to a surface (30), provided with a pressure compensation opening, of a housing (25) or some other article (20), wherein the pressure compensation label (10) has a first film (1)...
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WO/2015/156242A1 |
Ozone washing water is produced by injecting an ozone gas into washing water which is filtrated water produced by filtrating untreated water through a membrane, is pressurized and can be used for backwashing, and then the ozone washing w...
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WO/2015/153116A1 |
A spiral wound membrane module adapted for hyperfiltration and including at least one membrane envelope and feed spacer sheet wound about a central permeate tube to form an inlet and outlet scroll face and an outer periphery, wherein the...
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WO/2015/151556A1 |
Provided are a device for supporting the design of reverse osmosis membrane equipment and a method of supporting the design of equipment, which make it possible to obtain easily the operating performances of equipment employing reverse o...
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WO/2015/146611A1 |
The present invention is an intermittent bubble generation device used by being immersed in a liquid, the intermittent bubble generation device being provided with an erected cylindrical casing and a partition wall that is disposed subst...
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WO/2015/146990A1 |
The present invention is a method for operating a separation membrane module provided with: a separation membrane having a first surface and a second surface; a processed-liquid flow path in which a liquid to be processed, which is suppl...
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WO/2015/146686A1 |
The purpose of the present invention is to provide an intermittent bubble generation device that can generate bubbles of a large diameter and can be favorably used to clean a membrane module, for example. The present invention is an inte...
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WO/2015/146847A1 |
Provided are a filter medium for an air filter that greatly improves the amount of dust retention while maintaining high collection efficiency, a filter pack, an air filter unit, and a method for manufacturing a filter medium for an air ...
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WO/2015/142011A1 |
Provided are a cross-flow membrane test cell for estimating the performance and characteristic of a semipermeable membrane and a membrane test apparatus including the same. The cross-flow membrane test cell comprises: a first body for fo...
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WO/2015/139073A1 |
A method for controlling scale and/or fouling on a separation membrane. The method comprises forming a thermally, physically, electrically or chemically degradable coating layer on the membrane; using the membrane under conditions that r...
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WO/2015/140356A2 |
Membrane (10) for selective transport of one or more compounds, comprising a polymeric membrane layer (12, 13) and a support (11), wherein the membrane layer and the support share an interface. The polymeric membrane layer (12, 13) is op...
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WO/2015/140355A1 |
Membrane element (10, 50) for selective transport of one or more compounds, comprising a polymeric membrane layer (12, 13) and a support (11). The polymeric membrane layer (12, 3) is operable for selectively transporting the one or more ...
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WO/2015/141567A1 |
The purpose of the present invention is to provide a dispersant for water treatment, which, used in membrane separation treatment of treated water that contains a compound having phenolic hydroxy groups, does not readily give rise to a r...
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WO/2015/141455A1 |
The purpose of the present invention is to provide: a filtration apparatus having excellent processing efficiency and cost performance; and an immersion-type filtration method using the filtration apparatus. The filtration apparatus acco...
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WO/2015/128630A1 |
A process for preparing a membrane stack comprising the steps of: (i)interposing a curable adhesive between alternate anion exchange membranes and cation exchange; and (ii)curing the adhesive; CHARACTERISED IN THAT said adhesive, when cu...
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WO/2015/128631A1 |
A process for preparing a membrane stack comprising the steps of (i) interposing a curable adhesive between alternate anion exchange membranes and cation exchange; and (ii) curing the adhesive; CHARACTERISED IN THAT said membranes are in...
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WO/2015/126066A1 |
The present invention relates to an immersed continuous flow membrane filtration device and a method for backwashing the same, the device being characterized by comprising a filtration supply unit, an immersed membrane filtration unit, a...
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WO/2015/121821A1 |
The invention relates to a method for operating a water treatment plant comprising: at least one membrane unit (M) for filtration by reverse osmosis or nanofiltration, an inlet conduit (1, 1a), at least one outlet conduit (4) for the per...
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WO/2015/123300A1 |
A mass transfer device includes a wall structure having a first surface and a second surface. The wall structure has slots extending there through between the first and second surfaces. Each slot has a width, a length and a height. For p...
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WO/2015/119083A1 |
The present invention comprises a filtration membrane device (13) which uses a filter (12) to collect solid contents (11) remaining in a branched lean solution (1005B-1). With respect to the filtration membrane device (13) when the filte...
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WO/2015/119038A1 |
A method for producing a sugar solution, the method including a step for filtering a saccharified solution from a cellulose-containing biomass derivative by passage through a nanofiltration membrane and/or a reverse osmosis membrane, whe...
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WO/2015/115473A1 |
A system for preventing the occurrence of chemical fouling in a reverse osmosis membrane, which comprises: a reverse osmosis membrane device (17) which enables the production of both regenerated water (18), from which saline matters are ...
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WO/2015/116508A1 |
thin film composite membrane comprising a thin film polyamide layer located between a porous support and a coating layer, wherein the coating layer comprises a cellulose-based polymer including a plurality of quaternary ammonium groups o...
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WO/2015/111948A1 |
Disclosed are: a filtration device which is able to minimise reduction in air-dispersion efficiency and consequent reduction in filtration efficiency caused by the settlement of detritus on the inside of an air dispersion tube; and an ai...
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WO/2015/103572A1 |
A device for separating solids from a colloidal solution or suspension utilizing a permeable sheet comprised of passages or openings connecting the up and downstream faces of the sheet, an elastic support, a sealed enclosure separating t...
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WO/2015/099245A1 |
The present invention relates to a cartridge-type hollow fiber membrane module including a hollow fiber membrane unit module having free ends and a cartridge frame, and an immersible water treatment device including an aerator configured...
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WO/2015/099015A1 |
Provided is a membrane module device that can apply a sterile connection member to a hollow fiber membrane module and that does not require a user performing a sterilization process. The membrane module device (1) has: a hollow fiber mem...
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WO/2015/093336A1 |
This scale detection device for a concentrating device comprises: a reverse osmosis membrane device (13) that is a concentrating device having a reverse osmosis membrane (13a), which is a filter membrane for concentrating salt from water...
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WO/2015/092835A1 |
A membrane separation unit (2) forming a membrane separation device is provided with a rack (5), a plurality of immersion type membrane modules (6) accommodated in the rack (5), and an air diffusing pipe (46) which is disposed below the ...
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WO/2015/088259A1 |
Disclosed is an immersion-type filtration device which can be easily installed, the maintenance thereof is safe and convenient, can remarkably save energy and is compact by minimizing the space occupied thereby. The immersion-type filtra...
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WO/2015/083717A1 |
This water treatment method, which is used in a fresh water generation method for obtaining fresh water by means of pre-processing with a porous separation membrane and then a reverse osmosis membrane, contains: a filtration step that pr...
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WO/2015/085263A1 |
Water treatment systems and methods are provided to beneficially use the concentrate stream for other, non-potable, use. Embodiments of the invention use the distribution pressure to drive the membrane process and are configured in line ...
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WO/2015/083773A1 |
This membrane separation device is for separating water to be treated into permeate water and concentrate water by means of a separation membrane (22), and comprises a pressure pump (20) for pressurizing the water to be treated, a separa...
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WO/2015/082983A1 |
A dosage form article suitable for oral administration, comprising more than one compartments each delimited by a plurality of distinct segments of the dosage form article, the distinct segments being selected from the group consisting o...
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WO/2015/082855A1 |
The invention relates to a method for monitoring the integrity of filtering membranes allowing the separation of a fluid into a first permeate (P) and a first concentrate (C). The first permeate (P) from the filtration acheived by the fi...
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WO/2015/083783A1 |
This membrane separation device (18) is provided with a separation membrane element (20), a first flow path (27) which can supply water to be treated from one end of the separation membrane element to a treatment water flow path (41), a ...
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WO/2015/079886A1 |
Provided is a method for hoisting a membrane separation device, which is immersed in a solution to be treated and extracts permeate that has passed through the filtration membrane. The method is capable of hoisting the membrane separatio...
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WO/2015/076562A2 |
A biofilm water treatment device having a non-powered backwashing function is disclosed. The biofilm water treatment device comprises: a precipitation tub for precipitating contamination material mixed with water flowing therein; and a f...
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WO/2015/077319A1 |
The invention relates to repairing and/or modifying a surface of a membrane in osmotically driven membrane systems by the introduction of one or more substances to the membrane.
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WO/2015/075282A1 |
Fouling of desalination membranes poses a serious problem for the water-treatment industry. In order to identify the level of membrane fouling, a device has been developed that permits the retrieval of significant membrane samples for an...
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WO/2015/075178A1 |
The present invention is directed to polymer compositions comprising a bulk material (P1) and an amphiphilic polyethersulfone block copolymer (P2) and to membranes prepared thereof. Furthermore, the present invention is directed to the u...
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