Entries |
Document | Title | Date |
20080210086 | Dispenser For Carburetor, Carburetor For Mocvd Using the Dispenser For Carburetor, and Carrier Gas Vaporizing Method - An object of the present invention is to provide a disperser for vaporizer capable of preventing a fluid dispersion from being crystallized when a carrier gas into which thin-film forming materials are dispersed is injected from a terminus end injection port, a vaporizer for MOCVD using the disperser for vaporizer, and a carrier gas vaporizing method. A plurality of thin-film forming materials are dispersed into a carrier gas introduced into a gas passage by a dispersion section located in a midway portion of a gas passage | 09-04-2008 |
20080216648 | Biofilter - A biofilter for use in treating contaminated gasses is provided with a container having a layer of particulate rubber, which serves as a filter media. One preferred source of the rubber particulate is recycled tires. Smaller containers may be provided with apertures in their bottom walls and a cover for the top of the container, so that the containers can be incorporated within municipal sewage systems as manhole covers. Another embodiment floats the layer of rubber particulate on a layer of water or sludge. Various systems are provided for the delivery of gaseous, liquid or solid waste to the container. The rubber particulate provides a platform for the growth and maintenance of a microbial ecosystem that substantially treats the contaminated gases emanating from the waste. | 09-11-2008 |
20090020008 | Gas separation membrane module assembly with residue manifold - A gas-separation membrane module assembly and a gas-separation process using the assembly. The assembly includes a set of tubes, each containing gas-separation membrane elements, arranged within a housing. The housing contains tube sheets that divide the space within the housing into three separate, gas-tight spaces, with the tubes mounted in the central space. Feed gas enters the tubes through apertures positioned to feed multiple membrane elements within a tube in parallel, and one or more manifolds are used to collect residue gas from the membrane elements and direct the gas to the residue port or to a second group of membrane elements within the tube. The assembly can be used in various ways to carry out gas separation processes. | 01-22-2009 |
20090031897 | Cross-Linkable and Cross-Linked Mixed Matrix Membranes and Methods of Making the Same - The present invention is for novel high performance cross-linkable and cross-linked mixed matrix membranes and the use of such membranes for separations such as for CO | 02-05-2009 |
20090114089 | Microporous Aluminophosphate Molecular Sieve Membranes for Highly Selective Separations - The present invention discloses microporous aluminophosphate (AlPO | 05-07-2009 |
20090126566 | Polymer Functionalized Molecular Sieve/Polymer Mixed Matrix Membranes - The invention discloses the use of polymer functionalized molecular sieve/polymer mixed matrix membranes (MMMs) with either no macrovoids or voids of less than several Angstroms at the interface of the polymer matrix and the molecular sieves by incorporating polyethersulfone (PES) or cellulose triacetate (CTA) functionalized molecular sieves into a continuous polyimide or cellulose acetate (CA) polymer matrix. The MMMs, particularly PES functionalized AlPO-14/polyimide MMMs and CTA functionalized AlPO-14/CA MMMs, in the form of symmetric dense film, asymmetric flat sheet membrane, or asymmetric hollow fiber have good flexibility and high mechanical strength, and exhibit significantly enhanced selectivity and/or permeability over the polymer membranes made from the corresponding continuous polymer matrices for carbon dioxide/methane (CO | 05-21-2009 |
20090126567 | Mixed Matrix Membranes Containing Molecular Sieves With Thin Plate Morphology - The present invention discloses mixed matrix membranes (MMMs) comprising a polymer matrix and molecular sieve particles and methods for making and using these membranes. The molecular sieve particles contain micropores or mesopores and exhibit a thin plate morphology with high aspect ratio and the plate thickness no more than 300 nm. This invention also pertains to controlling the alignment of the thin plate molecular sieve particles in the continuous polymer matrix of the thin dense selective layer of the asymmetric mixed matrix membranes. These MMMs exhibited much higher selectivity improvement than those comprising molecular sieve particles with other kinds of morphology for gas separations such as CO | 05-21-2009 |
20090139400 | Diffuser For Exhaust Gas Cleaning Systems - This catalytically active or inactive diffuser is suitable for exhaust gas cleaning systems of internal combustion engines. It consists of a ceramic structure ( | 06-04-2009 |
20090183630 | APPARATUS AND METHOD FOR REDUCING PARTICLE CONTAMINATION IN A VACUUM CHAMBER - An apparatus and method for maintaining low gas velocity variation across a diffuser membrane during the vent-up of a vacuum chamber is disclosed. The diffuser membrane permeability and the pressure conditions across the membrane are chosen to minimize variation in gas flow velocity through the membrane during the vent-up cycle. This reduces re-distribution of particles from a vacuum chamber onto sensitive substrates in the vacuum chamber during vent-up from sub-atmospheric pressure to atmospheric pressure. | 07-23-2009 |
20100031816 | METHOD FOR THE SORPTION OF GASEOUS CONTAMINANTS BY MEANS OF NANOSTRUCTURED SORBERS IN THE FORM OF A FIBER - There is described a method for the removal of gaseous contaminants from the housings of devices sensitive to the presence of such contaminants by means of nanostructured sorbers, wherein the sorber is in the form of a fiber containing an active material at its inside. Nanostructured sorbers and their manufacturing method are also described. | 02-11-2010 |
20100064887 | Membrane support module for permeate separation in a fuel cell - A gas separation unit | 03-18-2010 |
20100071550 | METHOD AND APPARATUS FOR PURGING UNWANTED SUBSTANCES FROM AIR - An air filter for purging unwanted substances from air, the air filter comprising: | 03-25-2010 |
20100116130 | METHOD OF MAKING A HIGH-PERFORMANCE SUPPORTED GAS SEPARATION MOLECULAR SIEVE MEMBRANE USING A SHORTENED CRYSTALLIZATION TIME - A method of making a supported gas separation molecular sieve membrane. In this method a porous support, which is preferably pretreated, is contacted with a molecular sieve synthesis mixture under hydrothermal synthesis conditions. The contacting step is conducted for a shortened crystallization time period. The resulting coated porous support is calcined to yield the supported gas separation molecular sieve membrane having particularly good gas separation characteristics. | 05-13-2010 |
20100116131 | METHOD FOR MANUFACTURING POLYIMIDE ASYMMETRIC MEMBRANE, AND POLYIMIDE ASYMMETRIC MEMBRANE - A process of producing an asymmetric membrane of multicomponent polyimide. The process includes the steps of (1) preparing a multicomponent polyimide blend solution by mixing a polyimide component A having a number-averaged polymerization index N | 05-13-2010 |
20100126341 | POLYMER PI-BOND-PHILIC FILLER COMPOSITES - The instant invention generally provides polymer pi-bond-philic filler composite comprising a molecularly self-assembling material and a pi-bond-philic filler, and a process of making and an article comprising the polymer pi-bond-philic filler composite. The instant invention also generally provides a process of separating a pi-bond-philic gas from a separable gas mixture comprising the pi-bond-philic gas. | 05-27-2010 |
20100186586 | Process for Upgrading Natural Gas with Improved Management of CO2 - Disclosed herein are processes for producing a CO | 07-29-2010 |
20100212493 | Methods of Generating and Utilizing Utility Gas - The present application is directed to a method and system for preparing gaseous utility streams from gaseous process streams, nitrogen process streams, and other types of streams. The methods and systems may include at least one swing adsorption process including pressure swing adsorption, temperature swing adsorption, and rapid-cycle adsorption processes to treat gaseous streams for use in dry gas seals of rotating equipment such as compressors, turbines and pumps and for other utilities. The systems and processes of the present disclosure are further applicable to high pressure gaseous streams, for example, up to about 600 bar. | 08-26-2010 |
20100218675 | GAS SEPARATION APPARATUS - A gas separation apparatus comprising: a first chamber; a second chamber, separated from the first chamber by a porous partition; a first inlet for conveying a mixture of components to the first chamber; a first outlet for discharging the remainder of the mixture of components after at least part of the first component has been removed from the first chamber; a second inlet for conveying a sweeping component into the second chamber; a second outlet for discharging a mixture of sweeping component and diffused first component from the second chamber, and a pressure equilibrating device connecting and mediating between the first and the second chamber; and a separation process using the separation apparatus. | 09-02-2010 |
20100288122 | CROSSLINKED ORGANIC-INORGANIC HYBRID MEMBRANES AND THEIR USE IN GAS SEPARATION - The present invention is for crosslinked membranes and in particular for crosslinked poly(ethylene oxide)-cellulose acetate-silsesquioxane (PEO-CA-Si) organic-inorganic hybrid membranes and their use in gas separation. These crosslinked PEO-CA-Si membranes were prepared by in-situ sol-gel co-condensation of crosslinkable PEO-organotrialkoxysilane and CA-organotrialkoxysilane polymers in the presence of acetic acid catalyst during the formation of membranes. The crosslinkable PEO- and CA-organotrialkoxysilane polymers were synthesized via the reaction between the hydroxyl groups on PEO (or on CA) and the isocyanate on organotrialkoxysilane to form urethane linkages under mild conditions. The crosslinked PEO-CA-Si membranes exhibited both increased selectivity of CO | 11-18-2010 |
20100313751 | APPARATUS AND METHOD FOR GAS SEPARATION - Herein disclosed is an apparatus comprising ( | 12-16-2010 |
20100313752 | GAS SEPARATION MEMBRANES AND PROCESSES FOR THE MANUFACTURE THEREOF - The present invention relates to gas separation membranes for separating carbon dioxide from other gas species, polymer compositions suitable for this application, and processes for the manufacture thereof. In particular, the present invention relates polymeric compositions comprising a host polymer that is permeable to the targeted gas species, such as carbon dioxide and has a selectivity for the target gas species over other gas species. The polymeric composition also comprises domains of a polymeric material that are, for example at least 0.5 nm in diameter and that have a higher permeability for the targeted gas compared to the host polymer. The present invention can provide membranes that have a permeability and selectivity above the Robeson's upper bound. | 12-16-2010 |
20100313753 | Polyethylene membrane and method of its production - The invention relates to a porous membrane having a particle filtration value of at least 10 under U.S. Military Standard MIL-STD-282 (1956), where the porous membrane is a polyethylene membrane. The membranes according to the invention are particularly useful for filters such as ASHRAE filters, HEPA filters and ULPA filters for example in heating, ventilating, respirators and air conditioning applications. | 12-16-2010 |
20100319534 | GAS STORAGE AND SEPARATION BY ELECTRIC FIELD SWING ADSORPTION - Gases are stored, separated, and/or concentrated. An electric field is applied across a porous dielectric adsorbent material. A gas component from a gas mixture may be selectively separated inside the energized dielectric. Gas is stored in the energized dielectric for as long as the dielectric is energized. The energized dielectric selectively separates, or concentrates, a gas component of the gas mixture. When the potential is removed, gas from inside the dielectric is released. | 12-23-2010 |
20100326273 | PLASTICIZATION RESISTANT MEMBRANES - This invention discloses a composition of, a method of making, and an application of high plasticization-resistant chemically cross-linked organic-inorganic hybrid membranes such as cross-linked cellulose acetate-cellulose triacetate-polyurethanepropylsilsesquioxane membranes. These cross-linked membranes with covalently interpolymer-chain-connected hybrid networks were prepared via a sol-gel condensation polymerization of cross-linkable organic polymer-organosilicon alkoxide precursor membrane materials. CO | 12-30-2010 |
20110048228 | FILTER CONSTRUCTION FOR USE WITH AIR IN-TAKE FOR GAS TURBINE AND METHODS - The filter of the invention is a cartridge filter comprising a structure that can maintain a filter medium in an air stream to filter particulates to protect a gas turbine power system. The filter combines a mechanically adequate filter structure and an effective filter medium for to obtain a useful system. | 03-03-2011 |
20110079143 | SORBENT DEVICES AND METHODS OF USING THEM - Certain aspects and examples are directed to sorbent devices and methods of using them. In certain embodiments, a sorbent device comprising a body comprising a sampling inlet, a sampling outlet and a cavity between the inlet and the outlet, the cavity comprising a serial arrangement of at least four different sorbent materials is described. In some embodiments, the sorbent materials are arranged from a material with a weakest sorbent strength to a material with a strongest sorbent strength with the weakest sorbent strength material adjacent to the sampling inlet. | 04-07-2011 |
20110100211 | METHOD FOR PRODUCING CARBON MOLECULAR SIEVE MEMBRANES IN CONTROLLED ATMOSPHERES - The invention concerns carbon molecular sieve membranes (“CMS membranes”), and more particularly the use of such membranes in gas separation. In particular, the present disclosure concerns an advantageous method for producing CMS membranes with desired selectivity and permeability properties. By controlling and selecting the oxygen concentration in the pyrolysis atmosphere used to produce CMS membranes, membrane selectivity and permeability can be adjusted. Additionally, oxygen concentration can be used in conjunction with pyrolysis temperature to further produce tuned or optimized CMS membranes. | 05-05-2011 |
20110107911 | Membrane And Process For Steam Separation, Purification And Recovery - A process of steam separation using a separation membrane in a separation vessel where the separation membrane separates the vessel into an intake chamber and a recovery chamber. The separation membrane comprises at least one porous support; and a cross-linked hydrophilic polymer membrane material with an inorganic particulate material or a precursor to an inorganic particulate material. The membrane material is applied to the porous support. The process comprises supplying steam to be purified to the intake chamber of the vessel, the pressure in the intake chamber being greater than the pressure in the recovery chamber; and recovering the purified steam from the recovery chamber of the vessel. | 05-12-2011 |
20110113958 | METHOD OF MAKING A HIGH-PERFORMANCE SUPPORTED GAS SEPARATION MOLECULAR SIEVE MEMBRANE USING A SHORTENED CRYSTALLIZATION TIME - A method of making a supported gas separation molecular sieve membrane. In this method a porous support, which is preferably pretreated, is contacted with a molecular sieve synthesis mixture under hydrothermal synthesis conditions. The contacting step is conducted for a shortened crystallization time period. The resulting coated porous support is calcined to yield the supported gas separation molecular sieve membrane having particularly good gas separation characteristics. | 05-19-2011 |
20110120304 | POLYMER MEMBRANE - The invention relates to a method for producing membrane, in particular gas separation membrane, wherein the membrane comprises a selective separating layer. The following steps are carried out: a) a polymer solution is produced from at least one polymer and at least one polyglycol ether, b) the polymer solution is cast into a film, c) in a further step, the selective separating layer is produced from the film, preferably by drying. The invention, among other things, further relates to a membrane, in particular gas separation membrane, comprising a selective separating layer. | 05-26-2011 |
20110138999 | METAL ORGANIC FRAMEWORK POLYMER MIXED MATRIX MEMBRANES - Metal-organic framework (MOF)-polymer mixed matrix membranes (MOF-MMMs) can be prepared by dispersing high surface area MOFs into a polymer matrix. The MOFs allow the polymer to infiltrate the pores of the MOFs, which improves the interfacial and mechanical properties of the polymer and in turn affects permeability. These mixed matrix membranes are attractive candidates for practical gas separation applications such as CO | 06-16-2011 |
20110185896 | GAS PURIFICATION PROCESSES - A method for removing contaminants from a natural gas stream such as a biogas/landfill gas stream. The natural gas stream is fed to a first adsorption unit for removal of certain contaminants and then to a second adsorption unit for the removal of additional contaminants. Alternatively, a membrane stage may be employed between the adsorption units. The method utilizes the external purge to enhance pressure swing adsorption working capacity so that the vacuum level required for regeneration is not as high. | 08-04-2011 |
20110185897 | REMOVAL OF CARBON DIOXIDE FROM AIR - The present invention is directed to methods for removing CO | 08-04-2011 |
20110197762 | Template-Free Clathrasils And Clathrasil Membranes - The present invention relates to template-free clathraslls whose framework comprises essentially SO | 08-18-2011 |
20110290110 | INTEGRATED PROCESS FOR FLOATING LIQUEFIED NATURAL GAS PRETREATMENT - The present invention provides a membrane/amine column system and process for removing acid gases from natural gas on a floating liquefied natural gas vessel. Several process configurations are provided to deal with a reduction in the effectiveness of the amine column by increasing the amount of acid gases being removed by the membrane system prior to the natural gas being sent to the amine column. | 12-01-2011 |
20110308385 | METHOD FOR SELECTIVELY ISOLATING HYDROGEN OR HELIUM USING A NATROLITE-BASED ZEOLITE, AND NOVEL NATROLITE-BASED ZEOLITE - The present invention relates to selectively isolating gases using a natrolite-based zeolite, and more particularly, to a novel natrolite-based zeolite and to selectively isolating hydrogen and/or helium gas using a natrolite-based zeolite. The present invention is characterized in that gas containing hydrogen is brought into contact with a natrolite-based zeolite to selectively isolate the hydrogen. The present invention provides a sorbent which can selectively isolate hydrogen and/or helium, and provides a method for isolating the hydrogen and/or helium at room temperature or at a high temperature. | 12-22-2011 |
20120060687 | METHOD OF MAKING A GAS SEPARATION MOLECULAR SIEVE MEMBRANE - A method of preparing a supported gas separation membrane, comprising: preparing crystalline seeds from a synthesis mixture comprising an aluminum source, a phosphorous source, a silicon source, at least one organic templating agent and water; applying the seeds to a porous support to produce a seeded porous support; contacting the seeded porous support with a synthesis gel under hydrothermal synthesis conditions to produce a coated porous support; and calcining the coated porous support is described. A supported gas separation membrane made by this method is also described. | 03-15-2012 |
20120067207 | METHOD OF MAKING A GAS SEPARATION MOLECULAR SIEVE MEMBRANE - A method of preparing a supported gas separation membrane, comprising: preparing crystalline seeds from a synthesis mixture comprising an aluminum source, a phosphorous source, a silicon source, at least one organic templating agent and water; applying the seeds to a porous support to produce a seeded porous support; contacting the seeded porous support with a synthesis gel under hydrothermal synthesis conditions to produce a coated porous support; and calcining the coated porous support is described. A supported gas separation membrane made by this method is also described. | 03-22-2012 |
20120137878 | GAS-SEPARATION PROCESSES USING MEMBRANES WITH PERMEATE SWEEP TO RECOVER REACTION FEEDSTOCKS - A gas separation process for treating off-gas streams from reaction processes, and reaction processes including such gas separation. The invention involves flowing the off-gas across the feed side of a membrane, flowing a sweep gas stream, usually air, across the permeate side, and passing the permeate/sweep gas mixture to the reaction. The process recovers unreacted feedstock that would otherwise be lost in the waste gases in an energy-efficient manner. | 06-07-2012 |
20120160095 | Novel Nanoporous Supported Lyotropic Liquid Crystal Polymer Membranes and Methods of Preparing and Using Same - The invention includes a nanoporous LLC polymer membrane wherein ultra-thin films or clusters of inorganic material are deposited inside the porous structure of the LLC polymer membrane. The membranes of the invention have high levels of pore size uniformity, allowing for size discrimination separation, and may be used for separation processes such as gas-phase and liquid-phase separations. | 06-28-2012 |
20120180656 | APPARATUS AND METHOD FOR POWER-FREE FILTRATION USING OSMOTIC PRESSURE - Provided is an apparatus and method for filtration using osmosis, which induce osmotic pressure and allow separation of pure fluid by using the reduced osmotic pressure as an energy source, and thus carry out filtration without any additional energy supply. | 07-19-2012 |
20120180657 | METHOD FOR PRODUCING AT LEAST ONE GAS HAVING A LOW CO2 CONTENT AND AT LEAST ONE FLUID HAVING A HIGH CO2 CONTENT - The present invention relates to a process for producing at least one CO | 07-19-2012 |
20120210869 | DELAMINATION FREE MEMBRANE - The present invention relates to a membrane, in particular to a hollow fiber membrane comprising a membrane, comprising at least two layers, wherein the at least two layers each comprise at least one layer forming material comprising at least one polymer and the at least two layers differ from each other with respect to the layer forming material, wherein the at least two layers are at least partly covalently and delamination free bonded to each other. The present invention relates furthermore to a method of production of the said membrane as well as to its use. | 08-23-2012 |
20120210870 | METHOD AND DEVICE FOR SEPARATING GASEOUS MIXTURES BY MEANS OF PERMEATION - The invention relates to a method for purifying a specific gas stream containing one or more components to be recovered, one or more impurities to be eliminated and one or more poisons, for a unit for separation by means of permeation, including the following steps: a) in a unit for separation by means of absorption, separate from said unit for separation by means of permeation, the specific gas stream is placed in contact with one or more liquid solvents suitable and intended for selectively absorbing said poisons in order to obtain at least one first gas stream depleted of said poisons and a second liquid stream; and b) said first gas stream produced in step a) is separated in said unit for separation by means of permeation, at a specific absolute pressure P, into at least one third gas stream depleted of impurities and a fourth stream; the separation performed in step a) being carried out at an absolute pressure of between 50% and 200% of said specific absolute pressure P. | 08-23-2012 |
20120240763 | MICROPOROUS UZM-5 INORGANIC ZEOLITE MEMBRANES FOR GAS, VAPOR, AND LIQUID SEPARATIONS - The present invention discloses microporous UZM-5 zeolite membranes, methods for making the same, and methods of separating gases, vapors, and liquids using the same. The small-pore microporous UZM-5 zeolite membrane is prepared by two different methods, including in-situ crystallization of one or more layers of UZM-5 zeolite crystals on a porous membrane support, and a seeding method by in-situ crystallization of a continuous second layer of UZM-5 zeolite crystals on a seed layer of UZM-5 zeolite crystals supported on a porous membrane support. The membranes in the form of disks, tubes, or hollow fibers have superior thermal and chemical stability, good erosion resistance, high CO | 09-27-2012 |
20120255437 | Air Dryer Assembly - An air dryer cartridge assembly, used in a compressed air system, includes a rigid porous layer, a fibrous material layer, a diffusing layer and a desiccant for filtering and drying compressed air passing in a first direction during a charging cycle. The compressed air passes through diffusing layer, the fibrous material layer and the rigid porous layer in a second direction during a purging cycle. The desiccant, which is downstream of the rigid porous layer, the fibrous material layer and the diffusing layer during the charging cycle, reduces moisture in the compressed air during the charging cycle. The use of diffusing layer downstream of the fibrous material layer during a charging cycle disperses the compressed air so that moisture removal is improved in the desiccant. | 10-11-2012 |
20120312161 | METHOD AND DEVICE FOR REDUCING THE HUMIDITY OF A GAS IN A HOUSING INTERIOR - A method and a device for reducing the humidity of a gas in a housing interior, in particular in a battery housing interior, includes leading a gas through a first selectively permeable membrane and into an intermediate space. The intermediate space has the first selectively permeable membrane as an inlet and a second selectively permeable membrane as an outlet. The gas is then cooled in the intermediate space by a cooling unit such that a water vapor portion of the gas is condensed into water and the gas having a reduced water vapor content is directed through the second selectively permeable membrane into the housing interior. | 12-13-2012 |
20130014642 | GAS SEPARATION MEMBRANE AND METHOD FOR PRODUCING THE SAME, AND METHOD FOR SEPARATING GAS MIXTURE, GAS SEPARATION MEMBRANE MODULE AND GAS SEPARATION APPARATUS USING THE SAMEAANM Sano; SatoshiAACI KanagawaAACO JPAAGP Sano; Satoshi Kanagawa JP - The gas separation membrane of the present invention provides a gas separation membrane that exhibits superior gas permeability and separation selectivity and plasticity to the extent that it can endure bending testing and has little pinholes and a method for producing the gas separation membrane. Through the gas separation membrane of the present invention, it is possible to provide a superior gas separation method, a gas separation membrane module, and a gas separation and purification apparatus including the gas separation membrane module. | 01-17-2013 |
20130074691 | WATER-PROOF AIR-PERMEABLE FILTER AND USE OF THE SAME - A water-proof air-permeable filter ( | 03-28-2013 |
20130145931 | TETRAZOLE FUNCTIONALIZED POLYMER MEMBRANES - The present invention discloses a new type of high selectivity UV-cross-linked tetrazole group functionalized polymer nanosieve (TZPIM) membranes, their preparation, as well as their use for gas and liquid separations. The UV-cross-linked TZPIM membrane showed more than 50% improvement in CO | 06-13-2013 |
20130174732 | METHOD FOR FILTRATION OF GAS EFFLUENTS FROM AN INDUSTRIAL INSTALLATION - A method for filtration of harmful gas effluents from an industrial installation including the steps of providing a gas effluent from an industrial installation, the gas effluent including a mixture of gases; filtering the harmful, elements from the gas effluent by membrane separation through a plurality of membranes, the membrane separation being achieved by sifting, sorption and/or diffusion, each membrane being adapted for filtering a specific harmful element; sorting the filtered harmful elements and storing them in separate storage reservoirs, and discharging the processed gas effluent to the atmosphere. | 07-11-2013 |
20130192459 | HOLLOW FIBRE MEMBRANE - The present invention relates to a process for manufacturing a hollow fibre membrane having a supporting layer and a separating layer, said process comprising:
| 08-01-2013 |
20130220118 | SEPARATION OF GAS MIXTURES CONTAINING CONDENSABLE HYDROCARBONS - A non-cryogenic system for gas separation includes an absorbent system for removing condensable hydrocarbons from a feed gas. The feed gas is then directed into a gas-separation membrane. The absorbent system includes a liquid absorbent having an affinity for hydrocarbons. The liquid absorbent can be, for example, compressor oil or mineral oil. A chiller and a carbon bed may optionally be positioned between the absorbent system and the membrane. The absorbent is periodically regenerated by reducing the pressure or increasing the temperature of the liquid. | 08-29-2013 |
20130239805 | METHODS OF PREPARING A CROSSLIKED FIBER MEMBRANE - Disclosed herein is a method for preparing a crosslinked hollow fiber membrane. The method involves spinning a one phase solution comprising a monoesterified polyimide polymer, acetone as a volatile solvent, a spinning solvent, a spinning non-solvent, and optionally an organic and/or inorganic additive, wherein the volatile solvent is present in an amount of greater than 25 wt. % to about 50 wt. %, based on the total weight of the solution. | 09-19-2013 |
20130247756 | UV-REARRANGED PIM-1 POLYMERIC MEMBRANES AND A PROCESS OF PREPARING THEREOF - The present invention relates to UV-rearranged PIM-1 polymeric membranes that can be used for advanced hydrogen purification and production. The present invention also relates to a process of preparing UV-rearranged PIM-1 polymeric membranes. The present invention further relates to a method of separating gas mixtures using the UV-rearranged PIM-1 polymeric membranes of the present invention. | 09-26-2013 |
20130255487 | MEMBRANE SUPPORT MODULE FOR PERMEATE SEPARATION IN A FUEL CELL - A gas separation unit | 10-03-2013 |
20130255488 | METHOD AND APPARATUS FOR RAPID ADSORPTION-DESORPTION CO2 CAPTURE - An apparatus for capture and sequestration of CO | 10-03-2013 |
20130276630 | METHOD FOR PROCESSING FISCHER-TROPSCH OFF-GAS - A method for producing a gas comprising at least 80 vol % carbon monoxide from a Fischer-Tropsch off-gas comprises: (1) feeding Fischer-Tropsch off-gas through a column comprising an adsorbent bed at high pressure and discharging effluent; (2) reducing the pressure in the column and the bed slightly; (3) rinsing the column and the adsorbent bed with methane or a mixture of methane and carbon dioxide; (4) reducing the pressure of the column and adsorbent bed to a low pressure; (5) rinsing the column and adsorbent bed with a mixture of hydrogen and nitrogen; (6) pressurizing the column and adsorbent bed to a high pressure using a mixture of hydrogen and nitrogen. The product stream obtained in step (3) comprising at least 80 vol % carbon monoxide can be sent as feed to a Fischer-Tropsch reaction. In an embodiment, a gas comprising at least 80 vol % hydrogen is also produced. | 10-24-2013 |
20130305920 | Preparation of Zeolitic Imidazolate Frameworks (ZIFs) - Polybenzimidazole Mixed-Matrix Composite and Application for Gas and Vapor Separation - The present invention presents a mixed-matrix composite material comprising a continuous phase and zeolitic imidazolate framework (ZIF) particles dispersed in the continuous phase, wherein the continuous phase is polybenzimidazole (PBI), methods for making the mixed-matrix composite material, and methods for separating gas or vapor from a mixture of gases or vapors using the mixed-matrix composite material. | 11-21-2013 |
20140047976 | Cardo-Polybenzoxazole Polymer/Copolymer Membranes For Improved Permeability And Method For Fabricating The Same - The present invention discloses a series of cardo-polybenzoxazole copolymer membranes, methods for preparing the cardo-polybenzoxazole copolymer membrane from thermal rearrangement of cardo-copolyimide membranes, and methods of methods for the separation of a fluid from a mixture of fluids by utilizing the cardo-polybenzoxazole copolymer membrane. | 02-20-2014 |
20140090556 | METHOD AND SYSTEM FOR GAS PURIFICATION WITH FIRST DIRECT ABSORPTION STEP AND SECOND ABSORPTION STEP BY MEANS OF MEMBRANE CONTACTOR - A method and system for purification of a pressurized gas stream, wherein the method includes in a first absorption step bringing the pressurized gas stream in direct contact with a first absorption solution absorbing at least part of the acidic gases, in the gas stream obtaining a gas liquid mixture; and separating the gas liquid mixture in a partly purified pressurized gas stream and a first rich absorption solution. In a second downstream absorption step bringing the partly purified pressurized gas in contact with a second absorption solution through a membrane contactor, obtaining a second rich absorption solution and a purified pressurized gas stream. The first absorption solution is a partially lean absorption solution. | 04-03-2014 |
20140116248 | Selective Gas Transport Films that Contain Brominated Styrene-Butadiene Copolymers - Brominated styrene-butadiene copolymers are useful gas transport films. The gas transport films are made by brominating a starting styrene-butadiene copolymer, and then forming the brominated styrene-butadiene copolymer into a film The film may contain a blend of the brominated styrene-butadiene copolymer with one or more other polymers. The films have excellent selectivities between certain pairs of gasses, and exhibit high gas transport rates for various gasses such as carbon dioxide and water vapor. | 05-01-2014 |
20140283683 | FLUID SEPARATION APPARATUS AND METHOD OF SELECTIVELY SEPARATING MIXED FLUID - A fluid separation apparatus is described, including a casing and a separation module. The casing includes a mixed fluid inlet, a separated fluid outlet through which a selectively separated fluid is discharged, and a residual fluid outlet. The separation module has a set of serially arranged separation elements disposed therein and is insertable into the casing from an end of the casing. The separation module includes a first connection jig disposed between adjacent separation elements second connection jigs disposed at two ends of the set of serially arranged separation elements, and a coupling jig coupling the first and the second connection jigs to each other. | 09-25-2014 |
20140311340 | Method for Processing Air - A method and apparatus for processing air. The apparatus comprises an air separation module, a first input, a first output, a second output, and a flow control system. The air separation module is configured to generate an inert gas. The first input for the air separation module is configured to receive first air. The first output for the air separation module is configured to output the inert gas from the air separation module. The second output for the air separation module is configured to output separated air from the air separation module. The flow control system is configured to control a flow of air in the air separation module that increases a rate at which the air separation module reaches a desired operating temperature for generating the inert gas using a number of ports in the flow control module. | 10-23-2014 |
20140318368 | Discontinuous Regime Membrane Separation Process - A process for separating a gaseous or liquid mixture by means of a separating device including a first volume (V | 10-30-2014 |
20140360365 | Parallel Feed Gas Separation Membrane Element Assembly - A gas-separation membrane module assembly and a gas-separation process using the assembly. The assembly includes sets of manifolds, between which are mounted arrays of membrane modules, the manifolds and membrane modules forming a stack within a pressure vessel or housing. The stacked, manifolded arrangement enables many membrane elements to be fed in parallel with the gas to be treated. | 12-11-2014 |
20140360366 | AZIDE CROSSLINKED AND PHYSICALLY CROSSLINKED POLYMERS FOR MEMBRANE SEPARATION - The present invention appreciates that compounds comprising ester linkages and nitrogen-containing moieties that are at least divalent (e.g., urea, urethane, amide, etc.) can be crosslinked with azides to form membranes that are resistant to C0 | 12-11-2014 |
20140360367 | ORGANOPOLYSILOXANES INCLUDING SILICON-BONDED TRIALKYLSILYL-SUBSTITUTED ORGANIC GROUPS - This invention relates to organopolysiloxane compounds. In some embodiments, the organopolysiloxane compound includes a siloxane unit having at least one trialkylsilyl pendant group attached thereto through an organic group spacer. The present invention also relates to methods of making the organopolysiloxane, a hydrosilylation-curable silicone composition including the organopolysiloxane, a cured product of the silicone composition, a membrane including the cured product, a method of making the membrane, and a method of separating components in a feed mixture using the membrane. | 12-11-2014 |
20150122121 | Crosslinked Polymer Compositions, Gas Separation Membranes of Such Crosslinked Polymer Compositions, Methods Of Making Such Membranes, and Methods of Separating Gases Using Such Membranes - Gas separation membrane compositions including at least one crosslinked polymer, gas separation membranes made of such compositions, methods for making such gas separation membranes, and methods of using such membranes to separate gases are described. In one embodiment, the crosslinked polymer includes polyarylene ethers (PAE). | 05-07-2015 |
20150290596 | CARBON MOLECULAR SIEVE MEMBRANES FOR NITROGEN/METHANE SEPARATION - The various embodiments of the disclosure relate generally to carbon molecular sieve membranes (CMSM) and their associated fabrication processes for the separation of nitrogenmethane gas mixtures, and more particularly to CMSM that maintain high nitrogen-methane selectivity and high gas permeabilities. Methods for removing nitrogen from a nitrogen methane mixture gas via the use of the CMS membranes and gas enrichment devices using the same are also disclosed. | 10-15-2015 |
20150314231 | MEMBRANE SEPARATION ELEMENT AND PROCESS RELATING THERETO - One exemplary embodiment is a membrane separation element. The membrane separation element can include a membrane and a feed spacer positioned adjacent to the membrane. The feed spacer may include a first layer, a second layer, and a third layer. Usually, a plurality of fibers of the second layer only touches a plurality of fibers of the first and third layers. | 11-05-2015 |
20150360182 | Gas Exchanger and Artificial Lung - Blood or other fluids can be caused to interact with a gas by providing a plurality of fluid flow channels that are surrounded by nanotubes, each of the channels having an inflow end and an outflow end, wherein each of the channels is wide enough for the blood to flow through, and wherein the nanotubes are spaced close enough to each other to retain the fluid within the channels when the blood is flowing through the channels. The fluid is then passed through the through the channels while a gas is passed through the spaces between the nanotubes outside the fluid flow channels. This permits the gas to interact with the fluid in the channels. | 12-17-2015 |
20160051927 | MEMBRANE-BASED EXHAUST GAS SCRUBBING METHOD AND SYSTEM - Various exemplary embodiments relate to a method and apparatus to reduce emissions of target emission gasses such as sulfur oxides, nitrogen oxides, and carbon oxides from combustion exhaust such as marine engine exhaust by gas membrane separation and liquid carrier chemical absorption. The membrane separation system consists of an absorption system containing semi-permeable hollow fiber membranes through which is circulated a liquid absorbent. Exhaust gases contact the exterior surface of the membranes and the target gasses selectively permeate the membrane wall and are absorbed by the liquid carrier(s) within the bore and thereby are removed from the exhaust stream. | 02-25-2016 |
20160061158 | FILTER WATER MANAGEMENT USING HYDROPHILIC MATERIAL - A media comprising a hydrophobic media layer and a hydrophilic matrix applied to one face of the hydrophobic media layer is provided. The media may be incorporated into a filter cartridge for an air filtration system for a gas turbine engine. The media may have the capability to wick droplets of water. | 03-03-2016 |
20160089627 | POLYIMIDE BLEND MEMBRANES FOR GAS SEPARATIONS - The polyimide blend membrane in the present invention was prepared by blending a first aromatic polyimide with high permeability and a second aromatic polyimide with high selectivity for gas separation. The polyimide blend membrane in the present invention showed improved permeability compared to membranes made from the second aromatic polyimide and improved selectivity compared to membranes made from the first aromatic polyimide. | 03-31-2016 |
20160089628 | HIGH PERMEABILITY POLYIMIDE MEMBRANES: GAS SELECTIVITY ENHANCEMENT THROUGH UV TREATMENT - Polyimide membranes are provided that provide extremely high permeability. The polyimides do not contain carbonyl or sulfonyl functional groups. These membranes are useful in separating gases including the separation of gas pairs including carbon dioxide/methane, hydrogen/methane and propylene/propane as well as other gas mixtures. The membrane selectivity can be adjusted by exposure to ultraviolet light. | 03-31-2016 |
20160089629 | ASYMMETRIC INTEGRALLY-SKINNED FLAT SHEET MEMBRANES FOR H2 PURIFICATION AND NATURAL GAS UPGRADING - An asymmetric integrally-skinned flat sheet membrane comprising a miscible blend of an aromatic polyethersulfone (PES) polymer and an aromatic polyimide polymer is used for gas separations such as hydrogen purification, separation of hydrogen and methane and to separate other gases and liquids. UV radiation may be applied to the surface of the membrane for improved properties. | 03-31-2016 |
20160130998 | MEMBRANE-BASED EXHAUST GAS SCRUBBING METHOD AND SYSTEM - Various exemplary embodiments relate to a method and apparatus to reduce emissions of target emission gasses such as sulfur oxides, nitrogen oxides, and carbon oxides from combustion exhaust such as marine engine exhaust by gas membrane separation and liquid carrier chemical absorption. The membrane separation system consists of an absorption system containing semi-permeable hollow fiber membranes through which is circulated a liquid absorbent. Exhaust gases contact the exterior surface of the membranes and the target gasses selectively permeate the membrane wall and are absorbed by the liquid carrier(s) within the bore and thereby are removed from the exhaust stream. | 05-12-2016 |
20160144323 | METHOD FOR PRODUCING POLYIMIDE MEMBRANES - The invention concerns polyimide membranes, preferably composed of P84 type 70 or P84 HT, having improved chemical and physical properties, a method of producing same and also their use. | 05-26-2016 |
20160151738 | CROSS-LINKED POLYIMIDE GAS SEPARATION MEMBRANE, METHOD OF MANUFACTURING THE SAME, AND USE OF THE SAME | 06-02-2016 |
20160151746 | COMPOSITE CARBON MOLECULAR SIEVE MEMBRANES HAVING ANTI-SUBSTRUCTURE COLLAPSE PARTICLES LOADED IN A CORE THEREOF | 06-02-2016 |
20160184775 | MANUFACTURING CARBON MOLECULAR SIEVE MEMBRANES USING A PYROLYSIS ATMOSPHERE COMPRISING SULFUR-CONTAINING COMPOUNDS - A carbon molecular sieve (CMS) membrane is made by pyrolyzing a polymeric precursor membrane in a pyrolysis atmosphere containing a sulfur-containing compound. | 06-30-2016 |
20160184776 | MANUFACTURING CARBON MOLECULAR SIEVE MEMBRANES USING A PYROLYSIS ATMOSPHERE COMPRISING SULFUR-CONTAINING COMPOUNDS - A carbon molecular sieve (CMS) membrane is made by pyrolyzing a polymeric precursor membrane in a pyrolysis atmosphere containing a sulfur-containing compound. | 06-30-2016 |
20190143263 | COMPACT MEMBRANE MODULE SYSTEM FOR GAS SEPARATION | 05-16-2019 |