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8999036 Method for production of a compressed natural gas equivalent from landfill gas and other biogases  
Biogas is converted to a vehicle fuel equivalent to compressed natural gas high in methane in a simple, low cost process involving steps of refrigeration, non-regenerative activated carbon...
8999037 Carbon molecular sieve membrane (CMSM) performance tuning by dual temperature secondary oxygen doping (DTSOD)  
The various embodiments of the disclosure relate generally to carbon molecular sieve membranes (CMSM) and their associated fabrication processes, and more particularly to CMSM that maintain high...
8961652 Method for the removal and condensation of vapors  
A method for removal and condensation of vapors from within an enclosed space (120) is disclosed. An enclosed space (120) containing material (110) is surrounded by an insulative permeable layer...
8956154 Method and system for energy efficient conversion of a carbon containing fuel to CO2 and H2O  
Methods and systems for conversion of a carbon containing fuel to CO2 and H2O. An air stream is fed to a first ion transport membrane unit obtaining a pure oxygen stream from a permeate side and...
8945276 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...
8911534 Polyimide-based carbon molecular sieve membrane for ethylene/ethane separations  
Carbon molecular sieve membranes having desirable selectivity for ethylene/ethane separations are prepared from a 3,3′,4,4′-benzophenonetetracarboxylic acid dianhydride...
8906143 Membrane separation apparatus for fuel gas conditioning  
Disclosed herein is a membrane separation apparatus that includes an integrated filter element and a membrane element housed within a single vessel. The vessel is configured to allow liquids to be...
8900350 Separation membrane module and fuel vapor processing apparatus incorporating the same  
One aspect of the present teachings includes a separation membrane arranged in a hollow case. A particular component concentration chamber and a particular component dilution chamber are arranged...
8876944 Downhole fluid separation system and method  
A system for separating fluids of a fluid mixture including a filter element operatively arranged for enabling a first component of a fluid mixture to flow therethrough while impeding flow of at...
8828121 Gas separation membranes based on perfluorinated polymers  
Disclosed herein is a process for separating components of a gas mixture using gas-separation copolymer membranes. These membranes use a selective layer made from copolymers of perfluorodioxolane...
8778056 Zeolite membrane and process for producing zeolite membrane  
There are provided a process for producing a zeolite membrane which, even when large, has few defects and which has higher separation performance than conventional zeolite membranes, and a zeolite...
8771402 Membrane based apparatus for measurement of volatile particles  
A vapor particle separator including a temperature controlled chamber for desorbing vapors from the particulates of an exhaust gas and a separation chamber including a micro porous membrane. The...
8734567 Methods of preparing a crosslinked 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...
8580012 Solvent-resistant asymmetric hollow fiber gas separation membrane, and method for production thereof  
An asymmetric hollow fiber gas separation membrane obtained by subjecting an asymmetric hollow fiber polyimide membrane to a heat treatment having a maximum temperature of from 350 to 450° C.,...
8568510 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...
8561812 Blend polymer membranes comprising thermally rearranged polymers derived from aromatic polyimides containing ortho-positioned functional groups  
The present invention discloses blend polymer membranes comprising thermally rearranged polymers derived from aromatic polyimides containing ortho-positioned functional groups and methods for...
8557022 Filled polymeric membranes, use and method of manufacturing  
A method of manufacturing a filled polymeric membrane includes a first step of preparing a filler suspension having a solvent for a glassy polymer and nanometer-sized particles. The...
8540800 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...
8540801 Microporous membrane and method for forming  
The present disclosure describes a method for forming microporous membranes. More specifically, vapor induced phase separation techniques are used for forming multizone microporous membranes...
8535413 Integrated mechanical vapor recompression (MVR) and membrane vapor permeation process for ethanol recovery (ethanol dehydration) from fermentation broth  
An apparatus and process is taught for the formation of ethanol from a fermentation medium in the absence of an ethanol concentration distillation step.
8506814 Process for membrane separation of linear hydrocarbons within a hydrocarbon mixture  
The invention relates to a process for membrane separation that makes it possible to separate linear hydrocarbons from branched hydrocarbons. The membrane that is used comprises a dense selective...
8506676 Waste heat recovery system and method of using waste heat  
A waste heat recovery system is provided. The waste heat recovery system includes a gas separation apparatus that includes a chamber and at least one membrane positioned within the chamber. The...
8480789 Landfill gas purification method and system  
The present disclosure provides a method for separating and purifying a landfill gas stream. In one embodiment, the method includes a step of collecting a crude landfill gas stream which includes...
8475567 Process for separating propane and propylene using a distillation column and a membrane separation column  
Process for separating propane and propylene using a distillation column and at least one membrane separation unit constituted by one or more modules operating in series, said membrane separation...
8449651 Methods of preparing a crosslinked 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...
8409326 High flux and selectivity SAPO-34 membranes for CO2/CH4separations  
SAPO-34 membranes and methods for their preparation and use are described. The SAPO-34 membranes are prepared by contacting at least one surface of a porous membrane support with a synthesis gel....
8394176 Polyimide gas separation membrane and gas separation method  
Disclosed are a gas separation membrane and a gas separation method in which at least one species of organic vapor is separated and recovered from an organic vapor mixture using the gas separation...
8388733 Hollow-fiber element for organic-vapor separation  
A hollow fiber element constituting a separation membrane module for separating an organic vapor is disclosed. At least one end part of a fiber bundle consisting of multiple hollow fiber membranes...
8388743 Separation membrane module and fuel vapor processing apparatus incorporating the same  
One aspect of the present teachings includes a separation membrane arranged in a hollow case. A particular component concentration chamber and a particular component dilution chamber are arranged...
8366804 High permeance polyimide membranes for air separation  
The present invention discloses a new type of polyimide membranes including hollow fiber and flat sheet membranes with high permeances for air separations and a method of making these membranes....
8361197 Structure provided with zeolite separation membrane, method for producing same, method for separating mixed fluids and device for separating mixed fluids  
There is provided a zeolite separation membrane-provided article having gaps or pores larger than pores inherent to zeolite crystals and controlled within an appropriate range and being capable of...
8343257 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...
8221524 Oxygen removal from contaminated gases  
The invention relates to a method for achieving low oxygen levels in a natural gas stream without the use of a catalytic system. In one embodiment, the method comprises: membrane treatment for the...
8192709 Separation of methane from higher carbon number hydrocarbons utilizing zeolitic imidazolate framework materials  
The present invention relates to the selective separation of methane (“CH4”) from higher carbon number hydrocarbons (“HHC”s) in streams containing both methane and higher carbon number...
8129437 Process for the extraction of hydrogen from a gas mixture  
A process for the extraction of hydrogen from a gas mixture including hydrogen and carbon monoxide and optionally nitrogen, carbon dioxide, lower hydrocarbons and/or water, by contacting the gas...
8114192 Gas separation processes using membrane 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...
8101009 Separation membrane by controlled annealing of polyimide polymers  
This abstract discusses membranes needed to separate fluids for the production of oxygen-enriched air, nitrogen-enriched-air, for the separation of carbon dioxide from hydrocarbons, and the...
8070859 Method for producing a non-porous membrane  
A non-porous membrane suitable for use in removing dissolved oxygen in a fuel deoxygenator device in an aircraft is produced by solvent casting. A first membrane layer is deposited on a substrate....
8066852 Enrichment of light hydrocarbon mixture  
Light hydrocarbon enrichment is accomplished using a vertically oriented distillation column having a plurality of vertically oriented, nonselective micro/mesoporous hollow fibers. Vapor having,...
8056322 System and method for supplying oxygenate reductants to an emission treatment system  
A system is provided for supplying reductants to an emission treatment unit. The system comprises a fuel tank adapted to directly or indirectly supply a first premixed fuel stream and a second...
8048198 High performance mixed matrix membranes incorporating at least two kinds of molecular sieves  
The present invention discloses a new type of high performance mixed matrix membranes (MMMs) and methods for making and using the same. The MMMs comprise a continuous polymer matrix and at least...
8002874 Liquid-phase and vapor-phase dehydration of organic/water solutions  
Processes for dehydrating an organic/water solution by pervaporation or vapor separation using fluorinated membranes. The processes are particularly useful for treating mixtures containing light...
7964019 Gas separation membrane  
A membrane for gas separation includes a porous support layer and a separation layer. The separation layer comprises a mixture of one or more saccharide derivatives and one or more homopolymers....
7951224 Process for improving the cetane rating of distillate and diesel boiling range fractions  
The present invention is directed to a process for producing a diesel fuel of enhanced cetane value from low cetane distillate and diesel boiling range fractions from poor crudes such as...
7854788 Filter membrane  
A filter membrane includes a substrate, a polymer layer provided on the substrate and a plurality of filter openings each having a width of from about 2 nanometers to about 5 nanometers provided...
7842124 Polymer membrane for separating aromatic and aliphatic compounds  
This invention relates to a polymeric membrane composition comprising an associating polymer. The polymer coating is characterized as having hard and soft segments where the hard segment comprises...
7833313 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...
7815713 Landfill gas purification method and system  
The present disclosure provides a method for separating and purifying a landfill gas stream. In one embodiment, the method includes a step of collecting a crude landfill gas stream which includes...
7806962 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 CO2/CH4, H2/CH4 and...
7803275 Membrane separation process using mixed vapor-liquid feed  
The present invention pertains to a process for the separation of aromatics from a feed stream, including aromatics and non-aromatics by selectively permeating the aromatics through a membrane...

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