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US20120157743 MEMBRANE SYSTEM FOR NATURAL GAS UPGRADING  
The present invention involves the use of a novel membrane system for natural gas upgrading. This membrane system includes a first-stage membrane such as a membrane prepared from the polymer of...
US20140163296 OIL FILTERS CONTAINING STRONG BASE AND METHODS OF THEIR USE  
Novel filter elements for sequestering acids from oil or fuel, the strong base flocs that comprise the filter elements, and methods of their preparation and use are disclosed. The filter elements...
US20140243574 Helium Recovery From Natural Gas  
Helium-containing natural gas is processed with three gas separation stages to produce a natural gas product and a Helium-containing gas that may be injected into the reservoir from which the...
US20120024786 SELF-SUPPORTING DYNAMIC POLYMERIC MEMBRANE, METHOD FOR PREPARING SAME, AND USES THEREOF  
“A method of preparation for polyimine self-supported dynamic polymeric membranes (called “dynameric” membranes) is provided along with their use in separation processes, especially for separating...
US20150217224 METHOD AND SYSTEM FOR PRODUCING PIPELINE QUALITY NATURAL GAS  
A method and system for recovering natural gas liquids (NGLs) from hydrocarbon mixtures and for producing a pipeline quality natural gas (NG) stream from a NG stream with a BTU content greater...
US20150008368 METHOD AND SYSTEM FOR OBTAINING SWEET GAS, SYNTHETIC GAS AND SULPHUR FROM NATURAL GAS  
A method for obtaining sweet gas, synthetic gas, and sulphur from natural gas. The method includes the steps of removing impurities from the natural gas for obtaining pre-treated natural gas;...
US20120004489 POLYOLEFIN MANUFACTURING SYSTEM INCLUDING A MEMBRANE FRACTIONATION SYSTEM FOR DILUENT RECOVERY  
A fractionation system for a polymerization reactor includes a membrane separation system designed to separate light components, such as unreacted monomer and inerts, from diluent. The membrane...
US20060079725 Membranes for highly selective separations  
The present invention provides modified molecular sieve membranes with improved CO2/CH4 separation selectivity and methods for making such membranes. The molecular sieve membranes are modified by...
US20070265484 HIGH FLUX AND SELECTIVITY SAPO-34 MEMBRANES FOR CO2/CH4 SEPARATIONS  
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....
US20120190905 OLEFIN SELECTIVE MEMBRANE COMPRISING AN IONIC LIQUID AND A COMPLEXING AGENT  
An improved ionic liquid membrane and its preparation for separation of olefins/paraffins is described. The membrane comprises an ionic liquid with a metal salt. The ionic liquid includes a...
US20140018596 REMOVAL OF IONIC LIQUIDS BY MEANS OF A KNITTED FABRIC  
The present invention relates to a process for separating a phase (A) comprising at least one ionic liquid from a phase (B), phase (A) having a higher viscosity than phase (B), comprising the...
US20090202416 Separation of Fluids Using Zeolite Itq-32  
The invention relates to a method of separating fluids from mixtures using a zeolite known as ITQ-32 consisting of a two-dimensional pore system comprising channels with openings formed by 8...
US20110266220 SEPARATIONS WITH HIGHLY SELECTIVE FLUOROPOLYMER MEMBRANES  
A method of separating components of mixtures of chemical compounds uses a nonporous membrane of copolymer of a perfluorinated cyclic or cyclizable monomer, and a 4 carbon dicarboxyl-containing...
US20120322119 SEPARATION PROCESS USING A POLYIMIDE MEMBRANE  
The present invention discloses a new type of polyimide membrane with high permeances and high selectivities for gas separations and particularly for CO2/CH4 and H2/CH4 separations. The polyimide...
US20150141729 METHOD FOR RECOVERING OLEFIN  
A method for recovering olefin includes: an olefin concentrating process of supplying a part or all of an olefin-containing gas containing olefin to an olefin-containing-gas separating unit that...
US20060213757 Porous membrane materials as structured packing for distillation  
The present invention includes an apparatus and method for use of distillation packing material made from a non-selective meso/microporous membrane that separates light hydrocarbon mixtures.
US20090246114 MICROPOROUS MOLECULAR SEPARATION MEMBRANE WITH HIGH HYDROTHERMAL STABILITY  
A hydrothermally stable, microporous organic-inorganic hybrid membrane based on silica, having an mean pore diameter of between 0.2 and 1.5 nm, is characterised in that between 5 and 40 mole % of...
US20110015461 Ionic Liquids for Separation of Olefin-Paraffin Mixtures  
The invention is directed to an ionic liquid comprising (i) a cationic portion containing a complex of a silver (I) ion and one or more neutral ligands selected from organoamides, organoamines,...
US20140066683 Process, Method, and System for Removing Heavy Metals from Fluids  
A method for concurrently transporting and removing trace amount levels of heavy metals such as mercury from produced fluids such as natural gas, with the injection of a complexing agent and a...
US20090012342 Process to prepare a haze free base oil  
Process for reducing the cloud point of a base oil having a kinematic viscosity at 100° C. of greater than 10 cSt by separating the molecules inferring the high cloud point from the base oil by...
US20120323059 PROCESS OF SEPARATING GASES USING POLYIMIDE MEMBRANES  
The present invention discloses a new type of polyimide membrane with high permeances and high selectivities for gas separations and particularly for CO2/CH4 and H2/CH4 separations. The polyimide...
US20090069616 Integrated Refinery with Enhanced Olefin and Reformate Production  
A high-flux membrane, especially a sieving membrane, is used to separate a naphtha feedstock into a retentate fraction having a reduced concentration of normal paraffins for an enhanced reforming...
US20150025293 MEMBRANE SEPARATION OF OLEFIN AND PARAFFIN MIXTURES  
A metal exchanged fluorinated ionomer is a copolymer minimally including repeating units of (i) a polymerized derivative of a perfluorinated cyclic or cyclizable monomer and (ii) a strong acid...
US20090069619 Membrane Separation Processes and Systems for Enhanced Permeant Recovery  
Membrane separation processes and systems are disclosed that pass a portion of the feed (102) to the permeate side of the membrane (104) to reduce membrane surface area and thus provide...
US20070232847 Membrane process for LPG recovery  
Liquefied Petroleum Gas (LPG) can be recovered from various streams using a multiple membrane recovery process producing hydrogen stream at high yield and high purity and a C3+ LPG stream at high...
US20150011815 COMPOSITE HOLLOW FIBER MEMBRANES USEFUL FOR CO2 REMOVAL FROM NATURAL GAS  
Disclosed herein is a composite hollow fiber polymer membrane including a porous core layer and a selective sheath layer. The porous core layer includes a polyamide-imide polymer, or a...
US20140018598 REMOVAL OF IONIC LIQUIDS BY MEANS OF COALESCING FILTERS MADE FROM ACRYLIC/PHENOLIC RESIN  
The present invention relates to a process for separating a phase (A) comprising at least one ionic liquid from a phase (B), phase (A) having a higher viscosity than phase (B), comprising the...
US20120310018 ZEOLITIC IMIDAZOLATE FRAMEWORK MEMBRANES AND METHODS OF MAKING AND USING SAME FOR SEPARATION OF C2- AND C3+ HYDROCARBONS AND SEPARATION OF PROPYLENE AND PROPANE MIXTURES  
Certain embodiments are directed to processes for fabrication of zeolitic imidazolate framework (ZIF) membranes. These ZIF membranes can be used in separating C2-hydrocarbons from C3+ hydrocarbons...
US20050119517 Process for upgrading a liquid hydrocarbon stream  
A process for upgrading a liquid hydrocarbon transportation fuel is provided, wherein an inlet stream of liquid hydrocarbon transportation fuel, preferably diesel or gasoline base fuel is...
US20050137441 Multi-stage fuel deoxygenator  
A fuel delivery system for an energy conversion device includes a fuel deoxygenator and an oxygen scavenger module for removing dissolved oxygen and increasing the usable cooling capability of a...
US20140271419 CATALYTIC REMOVAL OF GAS PHASE CONTAMINANTS  
Systems and methods for removal of gas phase contaminants may utilize catalytic oxidation. For example, a method may include passing a gas that includes a gas phase contaminant through a catalytic...
US20060281960 Process and installation for separating compounds, including at least one n-paraffin, in a hydrocarbon feedstock  
Process for separating one or more compound(s), including at least one n-paraffin, in a hydrocarbon feedstock, in which: A stream, or a portion of a stream of said feedstock, is passed...
US20140336435 FLOW PROCESSING AND CHARACTERIZATION OF METAL-ORGANIC FRAMEWORK (MOF) MEMBRANES IN HOLLOW FIBER AND TUBULAR MODULES  
A reactor cell for measuring gas and liquid permeation is disclosed. The reactor cell comprises a reactor module having a reactor chamber and a cover. A first hole extends into the reactor chamber...
US20090062590 Process for separating a heavy oil feedstream into improved products  
This invention relates to a process for separating a heavy hydrocarbon stream to produce at least one permeate product stream and at least one retentate product stream. The process utilizes an...
US20080023398 Method for removal and recovery of water from polymer manufacturing  
A method for purifying and recovering wash water in a polymer manufacturing process using media filtration with reverse osmosis membranes to achieve separation and water reuse. Wash water...
US20150087877 ENHANCING FLUX OF A MICROPOROUS HOLLOW FIBER MEMBRANE  
The present invention includes a system and method for improving oil recovery from a liquid source of oil, comprising: a membrane contactor in contact with a liquid source of oil; a...
US20050274649 Method for suppressing oxidative coke formation in liquid hydrocarbons containing metal  
A method of suppressing auto-oxidative coke formation accelerated by dissolved and/or dispersed metals within a fuel includes the steps of removing dissolved oxygen. The dissolved oxygen is...
US20080103346 Membrane Separation Of A Metathesis Reaction Mixture  
A process for separating a homogeneous metathesis catalyst and, optionally, one or more homogeneous metathesis catalyst degradation products from a metathesis reaction mixture containing in...
US20140243573 OIL QUALITY USING A MICROPOROUS HOLLOW FIBER MEMBRANE  
The present invention includes methods and systems for improving oil quality of a contaminated oil mixture by removing contaminants from a contaminated oil comprising the steps of: pretreating a...
US20080167512 Systems and Methods for the Separation of Propylene and Propane  
Embodiments of the present invention generally disclose membrane-based systems and methods for the separation of propylene and propane that overcome certain issues associated with prior art...
US20150166441 METHODS AND SYSTEMS FOR REMOVING ACETONE FROM OLEFIN-CONTAINING HYDROCARBON STREAMS  
Disclosed are methods and systems for removing acetone from olefin-containing hydrocarbon streams. In one embodiment, a method for removing acetone from a hydrocarbon stream includes mixing an...
US20050080310 Method and device for separating hydrocarbon fluids  
A method for handling of hydrocarbon gas which is conducted to a flare for burning off is described. The method is characterised in that the hydrocarbon gas is separated into two or more fractions...
US20110295052 PROCESSES FOR OLEFIN/PARAFFIN SEPARATION UTILIZING POROUS, HYDROPHOBIC POLY(ETHER ETHER KETONE) MEMBRANES  
Processes for olefin/paraffin separation utilizing porous, hydrophobic poly(ether ether ketone) (PEEK) membranes are provided. In accordance with an exemplary embodiment, a process for...
US20070228366 Method for Purifying Material Comprising Organic Semiconductor, Method for Purifying Material Comprising Pentacene, Semiconductor Device, and Method for Fabricating the Semiconductor Device  
It is an object of the present invention to provide a simple method for purifying an organic semiconductor. It is another object of the invention to provide a semiconductor device having good...
US20090270665 DEVICE TO SEPARATE OLEFINS FROM PARAFFINS AND TO PURIFY OLEFINS AND USE THEREOF  
The present invention discloses a device, which uses membranes, capable of separating olefins from paraffins. The device (1) considers an ultramicroporous ceramic membrane module, zeolite or...
US20150030524 Separations With Ionic Liquid Solvents  
Disclosed are systems and methods which provide a process stream comprising a gaseous component, capture the gaseous component from the process stream by an ionic liquid solvent of a separator,...
US20100268010 INTEGRATED REFINERY WITH ENHANCED OLEFIN AND REFORMATE PRODUCTION  
A high-flux membrane, especially a sieving membrane, is used to separate a naphtha feedstock into a retentate fraction having a reduced concentration of normal paraffins for an enhanced reforming...
US20140107388 FUEL GAS CONDITIONING PROCESS USING GLASSY POLYMER MEMBRANES  
Disclosed herein is a process for conditioning natural gas containing C3+ hydrocarbons, so that it can be used as combustion fuel to run gas-powered equipment, including gas engines and...
US20110009684 MULTI-STAGE MEMBRANE SEPARATION PROCESS  
The invention concerns a process for the removal of gaseous acidic contaminants, especially carbon dioxide and/or hydrogen sulphide, in two or more stages from a gaseous hydrocarbonaceous...
US20100030006 MEMBRANE-MEDIATED EXTRACTION OF OLEFINS  
The present disclosure provides processes for the recovery of olefins from a mixture. Such processes include: (1) passing the mixture to a first surface of a porous membrane, wherein the porous...

Matches 1 - 50 out of 67 1 2 >