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Matches 1 - 50 out of 12,124

Document Document Title
WO/2018/012178A1
The aeration unit of an embodiment of the present invention for supplying a cleaning gas for an immersed filtration device is provided with: a straight tubular aeration header, which has a gas introduction port through which the cleaning...  
WO/2018/002685A1
The present invention concerns a method for cleaning a filtration system under operation, said filtration system comprising: a hydraulic circuit Cp recycling the permeate stream to the feed side of said membrane and/or a hydraulic circui...  
WO/2017/222062A1
The present invention relates to a composite porous hollow fiber membrane that comprises at least a first and a second layer that contain a fluorine resin polymer. The first layer has a columnar structure that is oriented in the long dir...  
WO/2017/219053A1
The present invention relates to a membrane arrangement for permeative separation of a gas from gas mixtures, comprising: a porous, gas-permeable, metallic support substrate (2); a membrane (8) formed on the support substrate (2) and sel...  
WO/2017/222063A1
The present invention relates to a composite porous hollow fiber membrane that has at least a first and a second layer that contain a fluorine resin polymer. One part of the molecular chain of the fluorine resin polymer is oriented in th...  
WO/2017/221984A1
Provided is a computer-readable recording medium having recorded therein a fault determination program for fresh water generation systems, the program causing a computer, for determining a fault taking place in a fresh water generation s...  
WO/2017/213422A1
The present invention relates to a carbon dioxide purging apparatus for reducing filtration membrane scale and, more particularly, to a carbon dioxide purging apparatus for reducing filtration membrane scale which mixes carbon dioxide wi...  
WO/2017/209353A1
The present invention relates to a water treatment apparatus, which can be applied to the field of treating, by using a membrane bioreactor (MBR), heavy water, discharged after service water is used, such as sewage, wastewater, industria...  
WO/2017/206716A1
Disclosed is a water purifier, comprising: a reverse osmosis membrane apparatus (1) having a raw water nozzle (13), a pure water nozzle (11) and a waste water nozzle (12); and a water storage apparatus (2), with a first chamber (21) havi...  
WO/2017/204054A1
The purpose of the present invention is to provide a reverse osmosis membrane apparatus and a method for operating a reverse osmosis membrane apparatus in which washing of the reverse osmosis membranes is efficiently performed and it is ...  
WO/2017/199247A1
Disclosed herein methods for combating biofouling in a liquid, e.g. an aqueous medium by providing a surface coated with at least one laser-induced graphene (LIG) layer in said liquid medium. Particularly disclosed herein method and devi...  
WO/2017/195609A1
Provided are a wastewater treatment method, a wastewater treatment device, and an active agent for treating wastewater with which it is possible to inhibit clogging of a separation membrane in an MBR process, enhance the lifespan of the ...  
WO/2017/194999A1
The vibration system comprising: a filter plate (10) made of a ceramic porous material, said filter plate (10) comprising two sides an upper side and a lower side; and one or more vibration actuators (11) physically coupled to said filte...  
WO/2017/194194A1
The invention relates to the end-side sealing of a membrane tube section for a membrane element, in particular a filter membrane element. According to the invention, an end region of the membrane tube section which is to be sealed is hea...  
WO/2017/196384A1
Algae harvesting and cultivating systems and methods for producing high concentrations of algae product with minimal energy. In an embodiment, a dead-end filtration system and method includes at least one tank and a plurality hollow fibe...  
WO/2017/187878A1
In a waste water treatment method using membrane separation-activated sludge, when, during filtration while supplying air using an immersion-type membrane separation unit loaded with multiple flexible membranes, the filtration differenti...  
WO/2017/186346A1
The invention relates to a method for determining the logarithmic reduction value LRV of a size exclusion filter for a particle that is contained in a process solution and is to be filtered out, wherein the size exclusion filter is prote...  
WO/2017/175334A1
A water treatment system (100) is provided with: a pretreatment device (1) which generates primary treated water by performing a pretreatment on water to be treated; a membrane separation device (2) having a reverse osmosis membrane thro...  
WO/2017/175333A1
Provided is a method for evaluating performance of a water treatment device provided with a plurality of main vessels that are arranged in parallel to each other and that each have a reverse osmosis film for separating to-be-treated wate...  
WO/2017/175115A1
Various examples are related to smart membranes for monitoring membrane based process such as, e.g., membrane distillation processes. In one example, a membrane, includes a porous surface and a plurality of sensors (e.g., temperature, fl...  
WO/2017/175657A1
The present invention pertains to a water treatment method in which raw water or water obtained by pretreating the raw water is supplied as supply water under pressure to a semi-permeable membrane module by a boost pump and the supply wa...  
WO/2017/176820A1
A process for treating feedwater with a microfiltration or ultrafiltration membrane unit and a downstream reverse osmosis unit. An aluminum salt coagulant is added and mixed with the feedwater upstream of a membrane separation unit. An a...  
WO/2017/175137A1
Disclosed herein are spacers having baffle designs and perforations for efficiently and effectively separating one or more membrane layers a membrane filtration system. The spacer (504) includes a body (524) formed at least in part by ba...  
WO/2017/170973A1
The present invention relates to a method for filtering a microbial culture solution using a membrane module, said method comprising four stages including (a) cross-flow filtration of the microbial culture solution, (b) rinsing with wate...  
WO/2017/168786A1
Provided are a method for washing a hollow fiber membrane module, which can thoroughly and sufficiently eliminate solids attached to the hollow fiber membrane, and a hollow fiber membrane filtration device. The hollow fiber membrane filt...  
WO/2017/171638A1
A cross-flow membrane filtration channel defined by at least one membrane, wherein at least one surface of the channel is inclined at an angle away from a centreline of the channel in a direction of feed flow in the channel. The cross-fl...  
WO/2017/169617A1
The present invention inhibits adhesion of shellfish to a seawater-contacting member by means of stabilized bromine and/or stabilized chlorine comprising: a sulfamine-based compound; and a halogen-based oxidizing agent composed of a chlo...  
WO/2017/170874A1
A virus removal membrane for removing a virus from a solution containing a protein, wherein the virus removal membrane is provided with cellulose and has a primary-side surface that is supplied with a solution containing a protein, and a...  
WO/2017/168720A1
Provided is a reverse osmosis membrane processing method that includes the following: a step for separating raw water into permeated water and concentrated water via a reverse osmosis membrane; and a step for supplying to the reverse osm...  
WO/2017/163340A1
The purpose of the invention is to provide a wastewater treatment method and wastewater treatment apparatus with which the service life of a separation membrane can be prolonged with little effect on the original activated sludge treatme...  
WO/2017/162745A1
Device (1) for pressurised liquid filtration, said device comprising a plurality of series of membrane filtration modules (2), means for conveying (3) liquid to be filtered, means for evacuating (4) filtered liquid, and means for evacuat...  
WO/2017/164540A1
An apparatus for predicting membrane fouling in forward osmosis, according to one embodiment of the present invention, comprises: a membrane fouling simulation unit having a forward osmosis separation membrane and simulating fouling of t...  
WO/2017/163455A1
Provided is a scale inhibitor for RO membranes, which is capable of effectively suppressing precipitation of calcium carbonate produced in an RO membrane treatment without increasing the phosphorus concentration in waste water, and which...  
WO/2017/158096A1
A device (1) for gas separation, comprising a body (2), provided with at least one inlet (4) for a gas to be permeated and with at least one vent (6) for a retentate gas, said device comprising a plurality of tubular-shaped membranes (3)...  
WO/2017/159303A1
A method for treating waste water having high hardness according to one embodiment of the present invention is a method for treating waste water having high hardness, specifically a calcium hardness of 100 or more, and this method compri...  
WO/2017/152359A1
A method for acquiring data about a water purification system comprises the following steps: measuring a water filtration time of a water purifier; measuring the number of concentrate filtration times of the water purifier; and sending t...  
WO/2017/152377A1
A method for rinsing a water purifier comprises the following steps: obtaining a TDS value of concentrated water; calculating a desalination rate according to the TDS value and a TDS value of raw water; and if the desalination rate is le...  
WO/2017/155034A1
[Problem] To provide a porous membrane that has improved fatigue durability while maintaining permeability. [Solution] A porous membrane comprising a hydrophobic polymer as a main component, wherein the average backbone thickness of a th...  
WO/2017/152378A1
A washing reminding method for a water purifier comprises the following steps: obtaining a TDS value from a probe of raw water; obtaining an original TDS value of the raw water; and calculating a ratio of the two TDS values and reminding...  
WO/2017/155463A1
The present application relates to a self-cleaning osmosis process and apparatus thereof, wherein the process comprises the steps of: (a) flowing a draw solution through a first channel of a membrane module while flowing a feed solution ...  
WO/2017/150346A1
A separation membrane module provided with a plurality of flexible separation membrane elements arranged in the horizontal direction so that gaps are present therebetween, wherein the lower edges of the separation membrane elements are f...  
WO/2017/148473A1
The invention relates to a method for producing a permeation membrane. The permeation membrane can be used in particular in the field of membrane-based material separations. The aim of the invention is to produce or provide a permeation ...  
WO/2017/150531A1
The present invention relates to a flat-sheet separation membrane element having formed therein a separation membrane pair in which separation membranes are disposed such that permeation-side faces thereof face each other and in which a ...  
WO/2017/149758A1
Provided is a membrane filtration device that is provided with a filtration mode for filtering water to be treated by passing the water to be treated from a primary side to a secondary side of a filtration membrane and a filtration membr...  
WO/2017/145118A1
Provided herein is a universally applicable biofouling mitigation technology using acoustically excited encapsulated microbubbles that disrupt biofilm or biofilm formation. For example, a method of reducing biofilm formation or removing ...  
WO/2017/141717A1
Provided are a water treatment system and water treatment method with which, in water treatment that uses two or more stages of reverse osmosis membranes, the amount of antimicrobial agent added can be reduced. In a water treatment syste...  
WO/2017/135162A1
A water treatment device provided with: a solid-liquid separation device 10 for removing at least turbid components and organic matter from water to be treated and obtaining permeated water; a foam separation device 20 for concentrating ...  
WO/2017/135235A1
Provided are a separation membrane diagnosis method, a water processing method, a separation membrane diagnosis device, a water processing device, a separation membrane diagnosis program, and a storage medium on which the program is stor...  
WO/2017/133641A1
A membrane element, comprising a filtering membrane (11) having a raw water flow path and a pure water flow path, wherein the outlet of the raw water flow path is located on at least one side of the filtering membrane; a membrane protect...  
WO/2017/126348A1
The filtration apparatus operation method according to an embodiment of the present invention is a method for operating a filtration apparatus provided with at least three filtration modules, wherein the method comprises a filtration ste...  

Matches 1 - 50 out of 12,124