| Entries |
| Document | Title | Date |
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| 20090277836 | Filter for Oil-Water Separation and Device for Oil-Water Separation - The present invention provides a filter for oil-water separation comprising water-repellent resin fiber and inorganic fiber. Further, the present invention provides a device for oil-water separation and a method for oil-water separation, using the filter. | 11-12-2009 |
| 20090283475 | Carbon Nanotube Mediated Membrane Extraction - The present disclosure provides an improved membrane or substrate having carbon nanotubes introduced and/or immobilized therein, and an improved method for introducing and/or immobilizing carbon nanotubes in membranes or substrates. More particularly, the present disclosure provides for improved systems and methods for fabricating membranes or substrates having carbon nanotubes immobilized therein. In one embodiment, the present disclosure provides for systems and methods for introducing and/or immobilizing functionalized carbon nanotubes into the pore structure of a polymeric membrane or substrate, thereby dramatically improving the performance of the polymeric membrane or substrate. In exemplary embodiments, the present disclosure provides for systems and methods for the fabrication of nanotube immobilized membranes by incorporating CNTs in a membrane or substrate. | 11-19-2009 |
| 20100038315 | Separation of no-carrier-added thallium radionuclides from no-carrier-added lead and mercury radionuclides by dialysys - A process for separation of no-carrier-added thallium radionuclide from no-carrier-added lead and mercury comprising providing a solution of no-carrier-added thallium radionuclide and no-carrier-added lead and mercury to dialysis. By this method separation of | 02-18-2010 |
| 20100051550 | METHODS OF CONCENTRATING SHEAR-SENSITIVE BIOPOLYMERS - The invention relates generally to methods of concentrating mixtures including shear sensitive biopolymers, such as von Willebrand Factor. Conventional methods of concentrating biopolymers impart too much shear stress, which causes the degradation of shear sensitive biopolymers. The methods disclosed herein reduce the shear stress while maintaining a high rate of filtrate flux. Disclosed herein is a method for concentrating shear sensitive biopolymers including flowing a mixture with a shear sensitive biopolymer into a hollow fiber dialysis module to form a retentate having a shear sensitive biopolymer concentration that is greater than that of the mixture. Hollow fiber dialysis modules have high filtrate fluxes and low shear rates at low flow rates. This ensures a high product yield and minimal loss of shear sensitive biopolymers. | 03-04-2010 |
| 20100078383 | APPARATUS FOR LABORATORY DIALYSIS - The present invention describes a simple apparatus for the laboratory dialysis/desalting or purification of proteins. The same consists of a non-floating plate with means to attach a single or plurality of membrane based devices to carry out dialysis, such that only the membrane portion of the device comes into contact with the dialysate and no other portion or accessory, thus preventing any contamination due to the same. | 04-01-2010 |
| 20100133189 | DIALYSIS LIQUID CIRCUIT, DIALYSIS APPARATUS COMPRISING A DIALYSIS LIQUID CIRCUIT, METHOD FOR DETECTING AIR IN A DIALYSIS LIQUID FLOWING THROUGH A DIALYSIS LIQUID CIRCUIT, AND USE OF A GAS SENSOR IN A DIALYSIS LIQUID CIRCUIT - The present invention relates to a dialysis liquid circuit with conduits for conducting dialysis liquid and with means for detecting air in the dialysis liquid, wherein the means comprise at least one gas sensor traversed continuously by the dialysis liquid, which is configured such that it measures at least one property of the dialysis liquid which depends on the presence of air bubbles in the dialysis liquid, and which is arranged downstream of a region to be monitored of the dialysis liquid circuit, in which during operation of the dialysis liquid circuit a negative pressure exists with respect to atmospheric pressure, wherein the means comprise an evaluation unit which is connected with the gas sensor and which is configured such that the property measured by means of the gas sensor is evaluated with regard to the presence of air bubbles in the dialysis liquid. | 06-03-2010 |
| 20100155333 | Process for dewatering an aqueous organic solution - An energy-efficient process for dewatering an aqueous organic solution includes using freely available solar energy to concentrate a draw solution within a reservoir. The draw solution is used in conjunction with a membrane to remove water from the organic solution in a forward osmosis process. The draw solution is diluted by the osmosis process, and returned to the reservoir to be re-concentrated and reused in the osmosis process. | 06-24-2010 |
| 20100224561 | PROCESS FOR MINIMIZING PRODUCED WATER BRINES USING FORWARD OSMOSIS - A method and system for water treatment is described according to embodiments. In an embodiment, a lower volume concentrated solution, and a beneficial diluted draw solution are produced, which may be marketed. | 09-09-2010 |
| 20100264085 | DIALYSIS DEVICE - This invention discloses dialysis devices, related housings, related membranes, related kits, and related methods. | 10-21-2010 |
| 20100288702 | METHOD AND APPARATUS FOR LIQUID-LIQUID EXTRACTION - A Liquid-Liquid Extraction apparatus for extracting at least one species from a donor liquid solution ( | 11-18-2010 |
| 20100326914 | MICROFLUIDIC DEVICES - The present disclosure concerns embodiments of a microfluidic transfer device. The device mitigates risk of cross contamination between working fluids and is amenable to high-volume, low-cost manufacturing techniques. The device may be configured for mass transfer, heat transfer, or both. For instance, certain disclosed embodiments incorporate semi-permeable membranes to transfer target substances from one fluid to another. Moreover, the device may incorporate both heat and mass transfer components. | 12-30-2010 |
| 20110017666 | SYSTEMS AND METHODS FOR PURIFICATION OF LIQUIDS - The present disclosure provides methods and systems for purifying liquids. In a particular implementation, the system includes a forward-osmosis unit for diluting a water source for a downstream desalination unit. A pretreatment unit may be located hydraulically upstream of the desalination unit, such as upstream or downstream of the forward-osmosis unit. In certain embodiments, the system includes an extraction unit for extracting a relatively easily extractable osmotic agent from an osmotic draw solution. The system may include one or more forward-osmosis units downstream of the desalination unit for diluting a concentrated brine stream produced by the desalination unit. In particular embodiments, a downstream forward-osmosis unit uses the concentrated brine stream as an osmotic agent, such as to extract water from seawater or brackish water. Another downstream forward-osmosis unit may use impaired water as a feed stream. | 01-27-2011 |
| 20110114558 | Solvent Removal Process - A process for removing a solvent from a first solution, said process comprising positioning a selective membrane between the first solution and a second solution having a higher osmotic potential than the first solution, such that solvent from the first solution passes across the membrane to dilute the second solution, and extracting solvent from the second solution, wherein the membrane has an average pore size of at least 10 Angstroms, and wherein the second solution contains solute species that are too large to pass through the pores of the membrane. | 05-19-2011 |
| 20110186516 | METHOD OF PRODUCING A CARBON NANOTUBE FRAGMENT - This invention provides a process for producing a carbon nanotube fragment. In particular, this invention provides a method of producing a carbon nanotube fragment by the steps of 1) dispersing a carbon nanotube in a mixed acid of sulfuric acid and nitric acid, and 2) subjecting the dispersed carbon nanotube to an oxidation treatment to obtain a dispersion of carbon nanotube fragment in the mixed acid. Preferably, in the oxidation treatment the dispersed carbon nanotube is oxidized with a hydrogen peroxide added in the mixed acid. | 08-04-2011 |
| 20110233137 | SYSTEMS AND METHODS FOR PURIFICATION OF LIQUIDS - The present disclosure provides methods and systems for purifying liquids. In a particular implementation, the system includes a forward-osmosis unit for diluting a water source for a downstream desalination unit. A pretreatment unit may be located hydraulically upstream of the desalination unit, such as upstream or downstream of the forward-osmosis unit. In certain embodiments, the system includes an extraction unit for extracting a relatively easily extractable osmotic agent from an osmotic draw solution. The system may include one or more forward-osmosis units downstream of the desalination unit for diluting a concentrated brine stream produced by the desalination unit. In particular embodiments, a downstream forward-osmosis unit uses the concentrated brine stream as an osmotic agent, such as to extract water from seawater or brackish water. Another downstream forward-osmosis unit may use impaired water as a feed stream. | 09-29-2011 |
| 20120000852 | POLYBENZIMIDAZOLE BASED MEMBRANE FOR DEACIDIFICATION - A membrane comprising polybenzimidazole and aromatic polyester wherein said aromatic polyester is removed is disclosed. The membrane is used for a process of deacidification. | 01-05-2012 |
| 20120080378 | Thin film composite membranes for forward osmosis, and their preparation methods - Forward osmosis membranes having a hydrophilic support layer and a polyamide rejection layer in a thin film composite membrane are considered. Preferred support layer materials include aramid polymers and PVDF. A woven or non-woven mesh can be incorporated into the support layer to improve handling properties of the membrane. Flat sheet and hollow fiber configurations are possible. Antifouling techniques are provided. The polyamide layer can be formed on the hydrophilic support layer by interfacial polymerization. Applications include forward osmosis and pressure retarded osmosis applications, such as industrial product and/or waste concentration, hydration bags, energy/pressure generation, and controlled delivery of chemicals (e.g., for pharmaceutical applications). | 04-05-2012 |
| 20120168376 | System and Method for Removing a Cryporotectant from a Liquid - A system for removing cryoprotectant from a cryoprotectant-containing liquid stored a container comprises a cryoprotectant removal device that receives the cryoprotectant-containing liquid and a cryoprotectant-free dialysate liquid and that is operable to transfer cryoprotectant to the dialysate liquid. A differential conductivity device is arranged to continuously measure the difference in conductivity between dialysate liquid entering the device and dialysate liquid that has received cryoprotectant transferred by the dialyzer discharged from the device. A controller is operable to control the flow of the liquids through the device in response to the measured difference in conductivity, and particularly to stop the flow of the cryoprotectant-containing liquid when the measured differential conductivity indicates that the cryoprotectant has been substantially removed from the liquid. | 07-05-2012 |
| 20120175305 | SYSTEMS, METHODS, AND DEVICES FOR PRODUCTION OF GAS-FILLED MICROBUBBLES - Gas-filled microbubbles can be synthesized using a continuous flow chamber and a sonicator. The resulting microbubble solution can be size-sorted for a particular application, such as injection into a patient for gas delivery thereto. The microbubble solution may be concentrated to have greater than 50% volume gas while maintaining microbubble sizes below 10 μm. Control of the microbubble generation process can yield highly stable microbubbles. The microbubbles may retain over half of their original gas payload for over three weeks while exhibiting minimal change in microbubble size. The systems, methods, and devices described herein thus allow for continuous or batch-wise continuous production of gas-filled microbubbles that readily release their gas payload when introduced into an under-saturated or de-saturated solution. | 07-12-2012 |
| 20120217203 | SELF-CONTAINED DIALYSIS SYSTEM - A dialysis system including a generally sealed vessel configured to receive a buffer, and a dialysis device positioned in the generally sealed vessel. The dialysis device includes an inner member and an outer member trapping a dialysis membrane between the members. The dialysis device is configured to receive a sample to enable dialysis of the sample with respect to the buffer across the membrane. | 08-30-2012 |
| 20120223014 | POLYMIDE MEMBRANE - A high mass transfer membrane for use in membrane phase contactors to extract a solute from an aqueous phase to a solvent phase and their method of preparation and use are disclosed. The membrane is formed from polyimide by phase inversion and may optionally be crosslinked to maintain stability even in the solvents from which the membranes were formed by phase phase inversion. | 09-06-2012 |
| 20120255906 | EXTRACTION OF NEUTRAL LIPIDS BY A TWO SOLVENT METHOD - A method for separating neutral lipids from plant material, in particular, intact algal cells, using an amphipathic solvent set and a hydrophobic solvent set. Some embodiments include dewatering intact algal cells and then extracting neutral lipids from the algal cells. The methods provide for single and multistep extraction processes which allow for efficient separation of algal neutral lipids from a wet algal biomass while avoiding emulsification of extraction mixtures. The neutral lipids are removed after first removing a polar lipid fraction and a protein fraction. These neutral lipids can be used to generate renewable fuels as well as food products and supplements. | 10-11-2012 |
| 20120267308 | RECOVERY OF RETROGRADE SOLUBLE SOLUTE FOR FORWARD OSMOSIS WATER TREATMENT - Improved systems and processes for forward osmosis water purification or desalination are herein disclosed. According to one embodiment a process for purifying contaminated water is provided wherein a contaminated feed solution stream comprising water and with a first osmotic pressure is passed through a semipermeable membrane to a draw side having a draw solution stream with a second osmotic pressure on a draw side of the semipermeable membrane. The diluted draw solution stream is heated, agglomerated and cooled to produce a cooled single phase water rich stream that is purified to produce a water product stream. | 10-25-2012 |
| 20120267309 | Balancing unit, external medical functional unit, treatment apparatus and methods - A balancing unit for medical fluids includes at least one balancing chamber and at least one conveying unit for filling the balancing chamber, in which the conveying unit is a pressure controlled conveying unit and/or is designed and provided for being operated in at least one operating state as a constant-pressure source. An external medical functional unit, a treatment apparatus and methods are also described. | 10-25-2012 |
| 20120305485 | Method and Arrangement for Venting Gases from a Container Having a Powdered Concentrate for Use in Hemodialysis - An arrangement and a method for venting gases from a container containing mixture of salt concentrate and fluid for use in dialysis, including venting the gases to a hydrochamber disposed upstream of the container. | 12-06-2012 |
| 20130112619 | SOLVENT RESISTANT POLYAMIDE NANOFILTRATION MEMBRANES - The present invention relates to a composite membrane for nanofiltration of a feed stream solution comprising a solvent and dissolved solutes and showing preferential rejection of the solutes. The composite membrane comprises a thin polymeric film formed by interfacial polymerisation on a support membrane. The support membrane is further impregnated with a conditioning agent and is stable in polar aprotic solvents. The composite membrane is optionally treated in a quenching medium, where the interfacial polymerisation reaction can be quenched and, in certain embodiments, membrane chemistry can be modified. Finally the composite membrane is treated with an activating solvent prior to nanofiltration. | 05-09-2013 |
| 20130134093 | OSMOTIC PUMP FOR FORWARD OSMOSIS DEVICES - A self-regulating FO system is disclosed comprising a container containing a source water supply, a forward osmosis membrane element located within the container comprising an area of osmotic membranes, an osmotic agent inlet and a drink outlet, an osmotic pump element also located within the container comprising an area of osmotic membranes, an osmotic agent inlet and a drink outlet, and an osmotic agent tank located above the container. The osmotic agent tank comprises a feed tube connected to an outlet located on the bottom of the osmotic agent tank. The feed tube communicates with the osmotic agent inlet of the forward osmosis membrane unit and the osmotic agent inlet of the osmotic pump element. A return tube communicates with the drink outlet of the osmotic pump element and a port near the top of the osmotic agent tank. | 05-30-2013 |
| 20130146537 | PROCESS FOR WORKING-UP A REACTION MIXTURE COMPRISING POLYETHER POLYOL - The invention relates to a process for working-up a reaction mixture ( | 06-13-2013 |
| 20130186827 | FORWARD OSMOSIS MEMBRANE BASED ON AN IPC SPACER FABRIC - A forward osmosis (FO) membrane structure comprising a support based on an integrated permeate channel (IPC) fabric and a forward osmosis membrane embedded in the support is disclosed. | 07-25-2013 |
| 20130248447 | FORWARD OSMOSIS APPARATUS AND FORWARD OSMOSIS PROCESS - A forward osmosis apparatus includes a diluting means for bringing a feed solution and a draw solution containing a cation source and an anion source in an ionized state into contact through a semi-permeable membrane and diluting the draw solution with water separated from the feed solution by means of the semi-permeable membrane; a separating means for separating the diluted draw solution into the cation source and anion source and into water; and a dissolving means, returning the separated cation source and the separated anion source to, and dissolving the cation source and anion source in, the draw solution that has been diluted. The molecular weight of the cation source in an uncharged state is 31 or greater and the Henry's law constant of each of the anion source and cation source is 1.0×10 | 09-26-2013 |
| 20130256228 | USE OF NOVEL DRAW SOLUTES AND COMBINATIONS THEREOF TO IMPROVE PERFORMANCE OF A FORWARD OSMOSIS SYSTEM AND PROCESS - This disclosure describes draw solution compositions for FO processes which increase the available membrane area for permeation and are also amenable to reconcentration with standard techniques, such as membrane filtration and evaporative technologies. The composition are comprised of a water soluble draw solute having surface active properties, i.e., a surfactant. | 10-03-2013 |
| 20130270187 | NON-DISPERSIVE PROCESS FOR OIL RECOVERY - A method of recovering one or more insoluble oils from a liquid source using one or more membrane or membrane contactors, comprising the steps of: pumping the liquid source comprising the one or more oils to the membranes or membrane contactors, contacting the liquid source with a first surface of the membrane or membrane contactors, coalescing the one or more oils within the liquid source onto the first surface of the membrane contactors, pumping one or more recovery fluids through the membrane or membrane contactors in contact with the second surface of the membrane or membrane contactors, and removing a first stream of oil coalesced from the second surface of the membranes or membrane contactors. | 10-17-2013 |
| 20130277306 | NOISE-REDUCING DIALYSIS SYSTEMS AND METHODS OF REDUCING NOISE IN DIALYSIS SYSTEMS - A method of pneumatically operating a dialysis system includes (i) pumping air in a first valve state from a pneumatic pump to operate a component of the dialysis system, and (ii) recirculating air in a second valve state by pumping air from an outlet of the pneumatic pump to an inlet of the pneumatic pump to minimize at least one of a noise pitch or noise amplitude when switching from the second valve state to the first valve state. | 10-24-2013 |
| 20130319943 | Forward Osmosis Process - A process that can alleviate the internal concentration polarization and can enhance membrane performance of a forward osmosis system includes the steps of passing a fluid in a forward osmosis system from a feed solution with a first osmotic pressure, through a membrane into a draw solution comprising a draw solute with a second osmotic pressure, where the first osmotic pressure is lower than the second osmotic pressure, the membrane includes an active layer and a support layer, and the membrane is oriented such that the active layer of the membrane faces a draw side, and the support layer faces a feed side; and applying an external force to the fluid on the feed side of the membrane. | 12-05-2013 |
| 20130341273 | COMPOSITE MEMBRANES COMPRISING SULFONATED POLYPHENYLENESULFONE AND THEIR USE IN FORWARD OSMOSIS PROCESSES - The present invention is directed to thin film composite membranes (TFC membranes) comprising a substrate layer (S) based on a sulfonated polyphenylenesulfone, and a polyamide film layer (F) and further to a method for their preparation. Furthermore, the present invention is directed to osmosis processes, in particular to forward osmosis (FO) processes, using said membrane. | 12-26-2013 |
| 20140001122 | SUBMERGED PLATE FORWARD OSMOSIS SYSTEMS | 01-02-2014 |
| 20140042091 | Method and System For Processing a Solution by Means of a Two-Stage Membrane Process - A method and system for processing a solution is provided. In at least one first membrane unit, a feed flow is separated into a permeate flow and a retentate flow. According to the invention, at least part of the retentate flow is fed to at least one second membrane unit. In the second membrane unit, retentate is located on one side of a membrane. Located on the other side is a solution in which the concentration of dissolved substances of which is lower than that of the retentate. Thus solvent of the solution passes through the membrane and thins the retentate. | 02-13-2014 |
| 20140061131 | SEPARATION METHOD - A total solvent use amount is reduced while a final concentration of a specific element of a separation target in a target fluid is reliably decreased to a target value or less. In a separation method, a solvent greater than a theoretical amount of a solvent necessary for decreasing a concentration of a specific element in an extraction remaining liquid supplied from a second extraction stage as an immediately previous stage to the target value is supplied to a third micro channel of a third extraction stage as a final stage, an extraction liquid separated by a third settler of the third extraction stage as the final stage is distributed to a first extraction stage and the second extraction stage, and the extraction liquid distributed to a first micro channel of the first extraction stage and a second micro channel of the second extraction stage are used as solvent. | 03-06-2014 |
| 20140076811 | DIALYSIS DEVICE - A dialysis device, and a method of dialyzing a sample, are provided. The dialysis device includes a body having a first and a second major side, a first and a second retaining ring disposed on the first and second major sides, and a first and second dialysis membrane disposed, and held between the first and second major sides and the first and second retaining rings. The dialysis device is configured to receive a sample to enable dialysis of the sample across the membranes. | 03-20-2014 |
| 20140102982 | Semipermeable Membrane and Process Using Same - An enhanced process for semipermeable membrane performance. Counter flowing chambers on either side of a semipermeable membrane is disclosed. Each comprise turbulent flow injectors and flow deflector cells giving rise to swirling and turbulent boundary layer conditions. The disclosed invention obviates concentration polarization in osmotic systems and maximizes flux (fluid flow) through the semipermeable membrane. This invention fills a need in large volume, forward osmosis water purification systems. | 04-17-2014 |
| 20140158622 | RECOVERY METHOD AND DRAW SOLUTION FOR FORWARD OSMOSIS - The present disclosure relates to a water recovery method and an FO draw solution that reduce the energy consumption required for water recovery, increase the osmotic pressure of a draw solution, recover the water from a DS mixed solution relatively easily, and reduce a solute that remains in the water, and simultaneously reduce fouling of the FO membrane. The water recovery method may include inflowing water into a draw solution by partitioning a feed solution including water and a draw solution, including a basic temperature-sensitive polymer and an acidic gas dissolved therein and having higher osmotic pressure than the feed solution, with a forward osmosis membrane. | 06-12-2014 |
| 20140175011 | SEPARATION SYSTEMS, ELEMENTS, AND METHODS FOR SEPARATION UTILIZING STACKED MEMBRANES AND SPACERS - An example separation system includes a stack of membrane plate assemblies. An example membrane plate assembly may include membranes bonded to opposite sides of a spacer plate. The spacer plate may include a first opening in fluid communication with a region between the membranes, and a second opening in fluid communication with a region between membrane plate assemblies. Adjacent membrane plate assemblies in the stack may have alternating orientations such that bonding areas for adjacent membranes in the stack may be staggered. Accordingly, two isolated flows may be provided which may be orthogonal from one another. | 06-26-2014 |
| 20140183134 | FORWARD OSMOSIS AND PRESSURE RETARDED OSMOSIS SPACER - Described herein is a structure for a permeate spacer for use in spiral wound osmosis membrane elements, having at least two sets of parallel ribs, wherein the ribs in the first set are oriented at about a 90 degree angle to the ribs in the second set. The permeate spacer is used by sandwiching it inside a membrane envelope or leaf, and is particularly useful for non-pressure-driven processes, such as forward osmosis (FO) and pressure-reduced osmosis (PRO). | 07-03-2014 |
| 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 |
| 20140353253 | COMPOSITE MEMBRANE WITH MULTI-LAYERED ACTIVE LAYER - A polymeric membrane includes an active layer on a support. The active layer includes at least two chemically distinct crosslinked, polyamide films, and the films are crosslinked with each other at an interface. | 12-04-2014 |
| 20140367336 | MOLECULAR EXCHANGE DEVICE - The present disclosure relates to a molecular exchange device. In particular, the molecular exchange device comprises at least one fluid passageway and an actuator, the actuator positioned to provide a secondary fluid pathway within at least one of the fluid passageways. | 12-18-2014 |
| 20140367337 | Process for Operating a Cooling Tower Comprising the Treatment of Feed Water by Direct Osmosis - A process for operating a cooling tower ( | 12-18-2014 |
| 20150090661 | LOW RESISTANCE MICROFABRICATED FILTER - The present technology provides microfabricated filtration devices, methods of making such devices, and uses for microfabricated filtration devices. The devices may allow diffusion to occur between two fluids with improved transport resistance characteristics as compared to conventional filtration devices. The devices may include a compound structure that includes a porous membrane overlying a support structure. The support structure may define a cavity and a plurality of recesses formed in a way that can allow modified convective flow of a first fluid to provide improved diffusive transport between the first fluid and a second fluid through the membrane. | 04-02-2015 |
| 20150291787 | LYOTROPIC LIQUID CRYSTAL TEMPLATED HYDROGELS FOR USE AS FORWARD OSMOSIS DRAW AGENTS - Lyotropic liquid crystal-templated compositions that include hydrogels comprising a cross-linked mixture of a stimuli-responsive agent and a super absorbent agent are presented. The compositions are amenable for methods directed to processing and absorbing fluids, including water purification and fluid concentration. | 10-15-2015 |
| 20150328595 | POLYIMIDE MEMBRANE - A high mass transfer membrane for use in membrane phase contactors to extract a solute from an aqueous phase to a solvent phase and their method of preparation and use are disclosed. The membrane is formed from polyimide by phase inversion and may optionally be crosslinked to maintain stability even in the solvents from which the membranes were formed by phase phase inversion. | 11-19-2015 |
| 20150336816 | DRAW SOLUTES AND FORWARD OSMOSIS WATER TREATMENT APPARATUSES, AND METHODS USING THE SAME, AND METHODS OF PRODUCING DRAW SOLUTES - A draw solute may include a photosensitive oligomer that includes a first repeating unit and a second repeating unit. The first repeating unit includes a side chain having at least one functional group configured to undergo a photocrosslinking reaction. The second repeating unit includes an ionic moiety and a counter ion to the ionic moiety. | 11-26-2015 |
| 20160002073 | RENEWABLE DESALINATION OF BRINES - Separation systems and processes using osmotically driven membrane systems are disclosed and generally involve the extraction of solvent from a first solution to concentrate solute by using a second concentrated solution to draw the solvent from the first solution across a semi-permeable membrane. These systems and processes involve the integration of the osmotically driven membrane systems, such as forward osmosis, with renewable energy sources, such as solar thermal power plants or geothermal installations for the recovery of draw solutes. | 01-07-2016 |
| 20160008762 | NON-DISPERSIVE PROCESS FOR OIL RECOVERY | 01-14-2016 |
| 20160016116 | FORWARD OSMOSIS SYSTEM USING COORDINATION COMPLEXES - A forward osmosis system. The system contains a forward osmosis membrane, a draw solution, and a feed solution. The draw solution includes a coordination complex formed of a metal ion and an organic ligand coordinated to the metal ion. Also disclosed are a method of separating a liquid using such a forward osmosis system and a coordination complex used in this system. | 01-21-2016 |
| 20160074811 | DRAW SOLUTIONS AND METHODS OF TREATING AN AQUEOUS LIQUID - A method of treating an aqueous liquid. The method comprises providing an aqueous feed liquid comprising water and at least one solute to a first side of a membrane. A draw solution comprising water and a draw solute comprising at least one of a phosphazene compound and a triazine compound is provided to a second side of the membrane. At least a portion of the water of the aqueous feed liquid is osmosed across the membrane and into the draw solution to form a diluted draw solution comprising water and the draw solute. The water of the diluted draw solution is separated from the draw solute of the diluted draw solution to form a purified water product. Draw solutes comprising phosphazene compounds and draw solutes comprising triazine compounds are also disclosed, as are methods of forming the draw solutes. | 03-17-2016 |
| 20160082391 | A DRAW SOLUTE AND AN IMPROVED FORWARD OSMOSIS METHOD - A draw solute for forward osmosis comprising a semi-interpenetrating (semi-IPN) hydrogel which comprises a thermally responsive polymer and a hydrophilic polymer, such that the semi-IPN hydrogel is capable of switching between a hydrophilic and hydrophobic state in response to changes in temperature is provided. Also provided is a draw solute comprising a hydrogel of a polyionic thermally responsive polymer, wherein the hydrogel switches between a hydrophilic state to allow absorption of water osmosed from a feed solution and a hydrophobic state to allow release of the absorbed water in response to changes in temperature. There is also provided a forward osmosis method comprising: contacting a feed solution and the draw solute via a semi-permeable membrane, such that feed water in the feed solution passes through the membrane by osmotic pressure and moves into the draw solute; and separating the water from the draw solute to form a purified water product. | 03-24-2016 |
| 20160082399 | POLYANILINE MEMBRANES FORMED BY PHASE INVERSION FOR FORWARD OSMOSIS APPLICATIONS - Disclosed herein are forward osmosis (FO) membranes comprising polyaniline. Methods of making the membranes, including methods of tuning the properties of the membranes by post-casting treatments, and methods of using the membranes in FO applications are also described. | 03-24-2016 |
| 20160136585 | Composite Filtration Membranes from Conducting Polymer Nanoparticles and Conventional Polymers - In one aspect, the invention relates to composite filtration membranes for use in, for example, water purification and concentrating a solute, and methods for making and using same. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 05-19-2016 |
| 20160152491 | SYSTEM AND METHOD FOR DEWATERING SLURRIES | 06-02-2016 |
