Patent application number | Description | Published |
20110042205 | CAPACITIVE DEIONIZATION DEVICE - A capacitive deionization device includes; at least one flow path configured for influent water flow, at least one pair of electrodes, at least one charge barrier disposed between the at least one flow path and a corresponding electrode of the at least one pair of electrodes, and at least one electrolyte solution disposed between the at least one electrode of the at least one pair of electrodes and a corresponding charge barrier of the at least one charge barrier, wherein the at least one electrolyte solution is different in at least one of ionic concentration and ionic species from the influent water. | 02-24-2011 |
20120181228 | Polyacrylonitrile Copolymer, Method For Manufacturing Membrane Including The Same, Membrane Including The Same, And Water Treatment Module Using The Membrane - Example embodiments relate to a polyacrylonitrile-based copolymer, a method for manufacturing a membrane including the same, a membrane including the same, and a water treatment module using the same. A membrane according to an example embodiment may include a polyacrylonitrile-based copolymer including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, and/or a repeating unit represented by Chemical Formula 3. The definitions of the above Chemical Formulae 1, 2, and/or 3 may be the same as in the detailed description. Accordingly, the membrane may allow the attainment of a relatively high water permeation amount and a water treatment module having a relatively high energy efficiency. | 07-19-2012 |
20120211423 | DRAW SOLUTE FOR FORWARD OSMOSIS, DRAW SOLUTION INCLUDING THE SAME, FORWARD OSMOSIS WATER TREATMENT DEVICE USING THE SAME, AND FORWARD OSMOSIS METHOD FOR WATER TREATMENT USING THE SAME - A draw solute for forward osmosis may include a copolymer including a first structural unit where a temperature-sensitive side chain is graft polymerized, and a second structural unit including a hydrophilic functional group. The temperature-sensitive side chain may include a structural unit for a side chain including a temperature-sensitive moiety. | 08-23-2012 |
20120261321 | SEPARATION MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND FORWARD OSMOSIS DEVICE INCLUDING THE SAME - Example embodiments relate to a separation membrane including at least one polymer including a structural unit represented by the following Chemical Formula 1, | 10-18-2012 |
20120267304 | Membrane, Method For Manufacturing The Same, And Composite Membrane Including The Same - Example embodiments relate to a membrane, a method of manufacturing the same, and a composite membrane including the same. The membrane may include a polyacrylonitrile-based copolymer that includes a hydrophobic side chain and/or a hydrophobic repeating unit. The membrane may include a skin layer and a porous layer. A thickness ratio of the skin layer relative to the porous layer may be about 0.01 or less. The skin layer may have a thickness of about 1 μm or less. The membrane may have a relatively high water flux. When using the membrane, a water treatment module having higher energy efficiency may be achieved. | 10-25-2012 |
20120298574 | Organic/Inorganic Hybrid Compound For Fouling Resistance, Membrane Including The Same For Fouling Resistance, And Method Of Preparing Membrane For Fouling Resistance - An organic/inorganic composite compound for fouling resistance may include a core and at least an arm. The core may be formed of a polyhedron of polyhedral oligomeric silsesquioxane. At least one arm may be connected to a Si atom of the polyhedral oligomeric silsesquioxane. The arm may include a vinyl-based first structural unit including at least one ethylene oxide group at the side chain, and a hydrophobic vinyl-based second structural unit. | 11-29-2012 |
20130020243 | SEPARATION MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND WATER TREATMENT DEVICE INCLUDING THE SAME - A separation membrane may include a support layer and a polymer matrix layer. The support layer may include a polymer including a structural unit represented by Chemical Formula 1, and the polymer matrix layer is a semi-permeable membrane and has a higher rejection rate against a target material to be separated compared to the support layer. Chemical Formula 1 may be as described in the detailed description. | 01-24-2013 |
20130134081 | HYBRID POROUS STRUCTURE, METHOD OF PREPARING HYBRID POROUS STRUCTURE, SEPARATION MEMBRANE INCLUDING HYBRID POROUS STRUCTURE, AND WATER TREATMENT DEVICE INCLUDING MEMBRANE - A hybrid porous structure may include a base template and an ionic polymer coating layer within the base template. The structural framework of the base template itself is non-porous. The base template fills the gaps among a plurality of imaginary spherical bodies stacked in three-dimensions as an imaginary stack. The ionic polymer coating layer is laminated on an inner surface of the base template inside the imaginary spherical bodies. The imaginary spherical bodies may have a pore in the center which is not occupied by the ionic polymer coating layer. The hybrid porous structure may include a plurality of necks, which are openings formed in a contact part where adjacent imaginary spherical bodies contact each other. The necks may be interconnected to the pores located in the center part of the imaginary spherical bodies. | 05-30-2013 |
20130153489 | SEMI-PERMEABLE FILM AND SEPARATION MEMBRANE INCLUDING NANOPOROUS MATERIAL, AND METHOD OF MANUFACTURING THE SAME - Example embodiments herein relate to a semi-permeable film including a nanoporous material and a polymer matrix. The nanoporous material includes a nanoporous core and a coating layer that is disposed on a surface of the nanoporous core. The coating layer may include a particle selected from a metal hydroxide particle, a metal oxide particle, and a combination thereof. A separation membrane may include the semi-permeable film. Example embodiments also relate to a method of manufacturing the semi-permeable film and the separation membrane. | 06-20-2013 |
20130240444 | THERMOSENSITIVE COPOLYMERS, FORWARD OSMOSIS WATER TREATMENT DEVICES INCLUDING THE SAME, AND METHODS OF PRODUCING AND USING THE SAME - A thermosensitive copolymer may include a first repeating unit having a temperature-sensitive oligomer and a second repeating unit having an ionic moiety and a counter ion to the ionic moiety. The temperature-sensitive oligomer may be an oligomer including a repeating unit derived from a unsaturated monomer with a moiety represented by Chemical Formula 1 or Chemical Formula 2, or an oligomer including a repeating unit derived from a heterocyclic compound having C, N, O, and a C═N bond in its ring. | 09-19-2013 |
20130313182 | SEPARATION MEMBRANE AND WATER TREATMENT DEVICE INCLUDING THE SAME - A forward osmosis water treatment device may use a separation membrane including a polymer layer introduced with a functional group having an affinity for an osmosis draw solute present in an osmosis draw solution. | 11-28-2013 |
20130327701 | SEPARATION MEMBRANE AND WATER TREATMENT DEVICE INCLUDING A SEPARATION MEMBRANE - A separation membrane including a polymer having a structural unit represented by the following Chemical Formula 1, and a water treatment device including a separation membrane, are useful for desalination. | 12-12-2013 |
20140048477 | HYBRID POROUS STRUCTURED MATERIAL, MEMBRANE INCLUDING THE SAME, AND METHOD OF PREPARING HYBRID POROUS STRUCTURED MATERIAL - A hybrid porous structured material may include a matrix including a plurality of first pores interconnected in three dimensions, and a porous material including second pores and filling wholly or partially each of the plurality of the first pores. | 02-20-2014 |
20140158612 | COMPOSITE MEMBRANE, METHOD OF MANUFACTURING THE SAME, SEPARATION MEMBRANE INCLUDING THE COMPOSITE MEMBRANE, AND WATER TREATMENT DEVICE USING THE SEPARATION MEMBRANE - An organic/inorganic composite membrane may include hydrophilic inorganic particles dispersed in an organic polymer matrix having finger-like pores. The hydrophilic inorganic particles may be present at a higher concentration near one surface of the membrane having a higher density than the other surface of the membrane having a lower density. | 06-12-2014 |
20140217026 | DRAW SOLUTE FOR FORWARD OSMOSIS, FORWARD OSMOSIS WATER TREATMENT DEVICE, AND FORWARD OSMOSIS METHOD FOR WATER TREATMENT - A method of manufacturing polymer hydrogel for an osmosis solute may include cross-linking polymerizing a zwitterionic monomer (including an anionic group and a cationic group) and a temperature-sensitive monomer. Example embodiments also relate to a draw solute for forward osmosis including polymer hydrogel manufactured according to the method, and a forward osmosis water treatment device and method using the forward osmosis draw solute. | 08-07-2014 |
20140326657 | SEMI-PERMEABLE FILM, MEMBRANE INCLUDING THE SEMI-PERMEABLE FILM, AND METHOD OF MANUFACTURING THE SEMI-PERMEABLE FILM - The present disclosure pertains to a semi-permeable film including a polyhedron oligomer silsesquioxane derivative dispersed in a polymer matrix, a method of manufacturing the same, a separation membrane including the semi-permeable film, and a water treatment device including the separation membrane. | 11-06-2014 |
20140353240 | HYBRID POROUS STRUCTURED MATERIAL, METHOD OF PREPARING HYBRID POROUS STRUCTURED MATERIAL, MEMBRANE INCLUDING HYBRID POROUS STRUCTURED MATERIAL, AND WATER TREATMENT DEVICE INCLUDING MEMBRANE INCLUDING HYBRID POROUS STRUCTURED MATERIAL - A hybrid porous structured material may include a porous region and a non-porous region. The porous region may include an imaginary stacked structure, wherein a plurality of imaginary spherical bodies/cavities are stacked so as to contact each other in three-dimensional directions. The non-porous region fills the gaps between the imaginary spherical bodies. A spherical colloid particle is present in each of the plurality of imaginary spherical bodies in the porous region. A separation membrane may include the hybrid porous structured material. A water treatment device may include the membrane. | 12-04-2014 |
20150060361 | DRAW SOLUTES INCLUDING AMINO ACID IONIC OLIGOMERS - A draw solute including an oligomer having an amino acid repeating unit with an ionic moiety and a counter ion thereof, and a forward osmosis water treatment device and method using the same are provided. | 03-05-2015 |