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Matches 401 - 450 out of 25,114

Document Document Title
WO/2015/020121A1
 The present invention selectively and inexpensively recovers liquid-borne metal ions. This metal ion recovery device (1) uses a selective transmission membrane (10) that selectively allows the transmission of Li, and mesh-form negativ...  
WO/2015/020197A1
[Problem] To provide a forward-osmosis hollow-fiber membrane element that has excellent contamination resistance and in which flow pressure loss is small (i.e., the amount of permeated water is large). [Solution] Disclosed is a both-ends...  
WO/2015/020597A1
Device for producing pure water, where the water to be purified is caused to be membrane distilled using one or more units (1), wherein each of the units comprises a space which on its one side comprises a first disc-shaped wall (4,4') a...  
WO/2015/014741A1
The invention relates to a method for separating a substance mixture with the aid of a membrane cascade having at least two stages, according to which method a substance separation using at least one membrane takes place in each stage, a...  
WO/2015/012766A1
Disclosed is a thin film composite membrane that includes a ceramic support having a thickness of 1 to 10000 µm and a pore size of 1 to 200 nm, a polymeric gutter layer having a thickness of 1 to 10000 nm and bonded covalently or non-co...  
WO/2015/012054A1
A method and a device for treating boron-containing water are provided with which it is possible to efficiently subject the boron-containing water to a boron removal treatment with an RO device and an ion-exchange device at pHs within an...  
WO/2015/013358A1
A membrane according to the current invention includes a two layer structure, the first comprising a durable, hydrophilic, highly porous asymmetric membrane of polyacrylonitrile or similar hydrophilic polymer or polymer blends having an ...  
WO/2015/012293A1
 The present invention pertains to an external-perfusion hollow-fiber membrane module provided with a hollow-fiber membrane bundle comprising a plurality of hollow-fiber membranes, and a case for housing the hollow-fiber membrane bundl...  
WO/2015/010219A1
The water is first introduced via a first pump (9) into a first circuit comprising an anti-blocking device (1). An osmosis unit (2) or a filtration device or an ultrafiltration device is arranged downstream of the anti-blocking device. T...  
WO/2015/007848A1
The invention relates to a cross-flow filtration system (1) for filtering a suspension, in particular a wine, comprising at least three substantially cylindrical hollow fibre modules (3 – 22) for retaining a retentate of the suspension...  
WO/2015/008168A3
The present application offers a solution to the current problems associated with recovery and recycling of precious metals such as gold and copper from scrap material, discarded articles, and other items. The solution is premised on a m...  
WO/2015/009554A1
Methods and systems for generating strong brines are disclosed in which a feed stream and a draw inlet stream are passed through a forward osmosis membrane to create a concentrate and a draw outlet stream, the draw outlet stream is passe...  
WO/2015/004417A1
An electrodialysis unit comprising at least two electrodialysis stacks (ED1 and ED2) connected in series,wherein: (a)stacks ED1 and ED2 comprise anion exchange membranes and cation exchange membranes; and (b) the anion exchange membranes...  
WO/2015/005883A3
Present invention relates to a controlled released composite membrane comprising hydrophobic styrene-butadiene-styrene block copolymer (2) as hydrophobic continuous medium (5) and hydrophilic functional agents incorporated within silica ...  
WO/2015/005186A1
A water treatment method provided with an anaerobic treatment step for anaerobically treating water to be treated containing organic matter is characterized by being further provided with a concentration step for concentrating the water ...  
WO/2015/001884A1
Provided are a water treatment system and a water treatment method with which salt-containing water can be recycled with a high water recovery rate. In this water treatment system (300) and water treatment method, a scale inhibitor is su...  
WO/2015/001887A1
Provided are a water treatment system and a water treatment method with which salt-containing water can be recovered with a high water recovery rate. In this water treatment system (200) and water treatment method, a scale inhibitor and ...  
WO/2015/001886A1
Provided are a water treatment system and a water treatment method with which salt-containing water can be recycled with a high water recovery rate. In this water treatment system (1) and water treatment method, a scale inhibitor is supp...  
WO/2015/001888A1
Provided are a water treatment system and a water treatment method with which salt-containing water can be recycled with a high water recovery rate. This water treatment system (100) is provided with: second desalination units (210a, 210...  
WO/2015/002194A1
This water treatment system comprises: a reverse osmosis device (2); a biological membrane treatment device (4) that has a carrier on the surface of which a biological membrane is formed and that treats water to be treated (3) before pas...  
WO/2015/002015A1
Provided are an operating method and operating system for a membrane separation device which make it possible to obtain permeated water having favorable water quality from a large-scale membrane separation device having a large-diameter ...  
WO/2015/002186A1
This water treatment system is provided with: a reverse osmosis membrane device (2); a biofilm treatment device (4) that has a carrier, on a surface of which is formed a biofilm, and that treats water to be treated (3) before the water t...  
WO/2015/002014A1
When recovering water by performing a reverse-osmosis-membrane separation treatment on wastewater containing a cationic surfactant such as process wastewater from the electronics industry, the present invention stably obtains high-qualit...  
WO/2015/001889A1
Provided are a water treatment system and a water treatment method with which salt-containing water can be recycled with a high water recovery rate. This water treatment system includes: a first desalinization unit for separating water t...  
WO/2015/002309A1
A water treatment system provided with: a first scale inhibitor-supplying unit (14A) which supplies a scale inhibitor (13) to a cooling tower discharge water (discharge water) (12), said discharge water being a treated water that is gene...  
WO/2015/001885A1
Provided are a water treatment system and a water treatment method with which salt-containing water can be recycled with a high water recovery rate. In this water treatment system (400) and water treatment method, a scale inhibitor and a...  
WO/2014/206381A1
The asymmetric ion-exchange membrane consists of a minimum of two layers where at least one of these layers is the active layer (1) of a common cation-exchange or anion-exchange membrane alternatively reinforced with at least one layer o...  
WO/2014/208936A1
According to a method for regenerating an ammonium bicarbonate solution and a regeneration apparatus therefor, a tower type evaporator, an absorber, and a concentrator, which are capable of separating and concentrating the ammonium bicar...  
WO/2014/208808A1
The present invention relates to a system for separating and recycling perfluoro compounds, for treating gas containing dust, which is generated in a dry etching process and in exhaust gas generation equipment such as a CVD cleaning cham...  
WO/2014/209669A1
Between two juxtaposed similar ion exchange membranes (AEMs or CEMs), an ion depletion zone (dde) and ion enrichment zone (den) are generated under an electric field. As cations are selectively transferred through the CEMs, for example, ...  
WO/2014/206224A1
A waste organic solvent treatment process and system based on a nano filtration membrane; the process comprises the steps of primary separation of organic solvent, water and residue in waste organic solvent, and nano membrane separation ...  
WO/2014/203924A1
A power generation facility is provided with: an osmotic pressure generation unit (2) that is provided with a treated water supplied part (2b) to which treated water treated by a membrane separation activated sludge method, and a seawate...  
WO/2014/204722A1
A device isolates a substance from blood. The substance includes particles with an effective diameter that is within a range defined by effective diameters of constituents of blood. The device comprises a first sheet of graphene includin...  
WO/2014/202637A1
Apparatus (10) for recovering compounds from a feed by electrodialysis, comprising an anode (1), a cathode (2) and a plurality of ion exchange membranes (3, 4) arranged between the anode and the cathode so as to form a stack of successiv...  
WO/2014/202349A1
The invention relates to a system for treating contaminated wastewater, comprising a feed line (3) that leads into a separator (5) and a discharge line (10) that leaves the separator, which discharge line leads directly or indirectly int...  
WO/2014/204002A1
Provided is a filter device having separation membrane modules disposed in-series in a plurality of groups, wherein in order to enable efficient transport to the separation membrane modules of a liquid to be filtered and further simplifi...  
WO/2014/198475A1
The present invention is a method and a system for forecasting instant of membrane cleaning in a semi -permeable membrane system operating on Programmable Logic Controller (PLC). The system comprises a deviation computing unit, a deviati...  
WO/2014/200210A1
Disclosed are a filtration system and a filtration method which use a reverse osmosis membrane, thereby enabling minimization of filtration membrane module damage, energy savings, and filtration efficiency improvement. A filtration metho...  
WO/2014/200613A1
A reactor cell for measuring gas and liquid permeation is disclosed. The reactor cell comprises a reactor module having a reactor chamber and a cover. A first hole extends into the reactor chamber from a first surface, a second hole oppo...  
WO/2014/197966A1
A desalination system and method of operating the system to desalinate saltwater is disclosed. The desalination system includes a electrochemical desalination subsystem and a primary desalination subsystem, such as a thermal or reverse o...  
WO/2014/195364A1
The present invention relates to a process for reducing the total organic carbon (TOC) in an aqueous mixture M1obtained as wastewater from a process for the preparation of an olefin oxide, the process for reducing the TOC comprising: (a)...  
WO/2014/196132A1
For the purpose of carrying out a treatment for removing boron, which is contained in trace amounts in sea water, by a coprecipitation method using an alkaline component, a sea water treatment method and a sea water treatment device (1) ...  
WO/2014/195854A1
A method of operating a pressure-retarded osmosis plant, the plant comprising at least one osmosis element having a semi-permeable membrane, the semi-permeable membrane defining a feed side and a permeate side of the osmosis element, the...  
WO/2014/196826A1
The present invention provides a virus hybrid separation film and a method for manufacturing the same, capable of improving selective permeability using nano-pores of a virus. The separation film according to the present invention compri...  
WO/2014/197824A1
In one aspect, reverse electrodialysis systems are described herein having constructions operable to reduce membrane stack resistance, thereby requiring significantly less membrane surface area for meaningful electrical power generation....  
WO/2014/192619A1
The present invention relates to an operation method for a water treatment device comprising a pretreatment unit (X) which changes first water to be treated (A) into treated water (A0) by pretreatment, a membrane separation unit (Y) whic...  
WO/2014/192562A1
Provided are a hydrogen production method and a hydrogen production system, in each of which the rate of collection of hydrogen can be improved. The hydrogen production method according to one aspect of the present invention comprises: a...  
WO/2014/192988A1
The present invention relates to a power generation-combined water purification device using pressure-retarded membrane distillation and, more particularly, to a power generation-combined water purification device using pressure-retarded...  
WO/2014/192987A1
The present invention relates to a saline water desalination method and a desalination device. A desalination method according to the present invention comprises the steps of: performing a forward osmosis process by positioning saline wa...  
WO/2014/191296A1
The invention relates to a hydrophobic hollow fiber membrane made of a vinylidene fluoride polymer, with a wall, a wall thickness, an outer surface on the membrane outer face, an inner surface on the membrane inner face facing the membra...  

Matches 401 - 450 out of 25,114