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9005338 Silicone-based chemical filter and silicone-based chemical bath for removing sulfur contaminants  
Sulfur contaminants, such as elemental sulfur (S8), hydrogen sulfide and other sulfur components in fluids (e.g., air, natural gas, and other gases, as well as water and other liquids) are removed...
8926732 Imidazolium-based room-temperature ionic liquids, polymers, monomers, and membranes incorporating same  
The present invention provides gels, solutions, films, membranes, compositions, and other materials containing polymerized and/or non-polymerized room-temperature ionic liquids (RTILs). These...
8906135 Method of purifying a gas stream using 1,2,3-triazolium ionic liquids  
A method for separating a target gas from a gaseous mixture using 1,2,3-triazolium ionic liquids is presented. Industrial effluent streams may be cleaned by removing carbon dioxide from the stream...
8845784 Composite mixed carbonate ion and electron conducting membranes and reactant gas assisted chemical reactors for CO2 separation and capture  
The present disclosure relates to a system for carbon dioxide seperation and capture. The system includes a porous metal membrane comprising Ni, Ag, or combinations thereof and having molten...
8784663 Trapping nanostructures  
A trap Including: an inlet configured to receive a fluid conveying nanostructures; ionic liquid configured to trap the nanostructures; and an outlet for the fluid.
8758490 Method of forming an electrically conductive hollow fiber separation module  
A method of forming a fluid separation filter for use in a fluid separation device includes aligning a series of fluid separation or drying fibers (102) and fixing them together using a...
8715392 Catalyzed CO2-transport membrane on high surface area inorganic support  
Disclosed are membranes and methods for making the same, which membranes provide improved permeability, stability, and cost-effective manufacturability, for separating CO2 from gas streams such as...
8673067 Immobilized fluid membranes for gas separation  
Provided herein are immobilized liquid membranes for gas separation, methods of preparing such membranes and uses thereof. In one example, the immobilized membrane includes a porous metallic host...
8435327 Carbon dioxide permeable membrane  
A carbon dioxide permeable membrane is described. In some embodiments, the membrane includes a body having a first side and an opposite second side; a plurality of first regions formed from a...
8394180 Systems and methods for absorbing gases into a liquid  
A method of absorbing gases into a liquid comprising providing a stream of at least one desirable gas and at least one undesirable gas, exposing the gas stream to a liquid, so that the liquid...
8163065 Carbon dioxide permeable membrane  
A carbon dioxide permeable membrane is described. In some embodiments, the membrane includes a body having a first side and an opposite second side; a plurality of first regions formed from a...
7909911 Carbon dioxide permeable membrane  
A carbon dioxide permeable membrane is described. In some embodiments, the membrane includes a body having a first side and an opposite second side; a plurality of first regions formed from a...
7850764 Reactive membrane process for the removal of vapor phase contaminants  
Generally, the present invention provides a method and apparatus for removing a vapor phase contaminant from a gas stream, thereby reducing the concentration of the vapor phase contaminant in the...
7625427 Apparatus and process for carbon dioxide absorption  
Carbon dioxide is separated from a gas stream using a supported carrier liquid membrane having a selected concentration of carrier species, the method being especially suitable for use in...
7318854 System and method for selective separation of gaseous mixtures using hollow fibers  
A system and method for separation of a gas, e.g., carbon dioxide, from a gaseous mixture using a hollow fiber membrane module. The module contains an absorbent solution that is effective in...
6958085 High performance immobilized liquid membrane for carbon dioxide separations  
An immobilized liquid membrane has a substrate. A plurality of capsules is disposed on the substrate. Each of the capsules is permeable to a first gas of a mixture of gasses comprising the first...
6890372 Denuder assembly for collection and removal of soluble atmospheric gases  
A denuder assembly is adapted for the collection and removal of a gaseous analyte from a sample gas. The denuder includes a housing including an internal cavity, a sample gas inlet fluidly coupled...
6800118 Gas/liquid separation devices  
A gas/liquid separation element is provided comprising: a frame having an opening therein; waterproof/moisture permeable sheets affixed to both sides thereof so as to cover the opening, whereby...
6666906 Gas dehydration using membrane and potassium formate solution  
Potassium or other alkali metal formate solution is used to absorb moisture from gas through a membrane. The membrane may be supported on permeable tubes, and the potassium or other alkali metal...
6635103 Membrane separation of carbon dioxide  
A method for the separation of carbon dioxide from a gas mixture is described in which a dendrimer selective for carbon dioxide is present in an immobilized liquid membrane, the dendrimer being...
6485650 Liquid membrane separation of enantiomers  
The invention is related to a method for separating enantiomers in a supported liquid membrane module by contacting the liquid membrane which may contain a carrier and a phase transfer agent with...
6228145 Method for removing carbon dioxide from gases  
A method for removing and preventing discharge into the atmosphere of carbon dioxide from combustion gases and natural gas from installations for production of oil and/or gas, wherein the...
6156096 Gas separation using hollow fiber contained liquid membrane  
A method of separating at least one gaseous component from a feed comprising a mixture of gases using a liquid membrane barrier and a sweep fluid is disclosed that includes selecting a sweep gas...
6139603 Process for recovering oxygen  
Method for recovering oxygen from a medium containing O2 using polynitrogenated compounds that have five coordinating functions which are capable of binding a metal atom, particularly a cobalt...
6083297 Gas dehydration membrane with low oxygen and nitrogen permeability  
The invention relates to a gas dehydration membrane comprising a membrane having pores communicating between a first and an opposing second surface of the membrane and further having an average...
6048383 Mass transfer composite membrane for a fuel cell power plant  
A mass transfer composite membrane for use with a fuel cell power plant includes a transfer medium core between opposed, rigid, porous support sheets. An inlet surface of the composite membrane is...
5954858 Bioreactor process for the continuous removal of organic compounds from a vapor phase process stream  
The present invention provides a method for treating volatile hazardous air pollutant (VHAP) and volatile organic compound (VOC) waste products from gas streams. The system disclosed herein...
5876486 Method and apparatus for removing carbon dioxide  
The invention relates to a method and to an apparatus for continuously removing metabolically produced carbon dioxide from respired air, such as the air found in life support systems or cabin...
5749941 Method for gas absorption across a membrane  
The invention relates to a method for the absorption of one or more gaseous components from a gas phase, in that the gas phase with the component(s) to be absorbed present therein is brought into...
5445669 Membrane for the separation of carbon dioxide  
A membrane for the separation of carbon dioxide is disclosed which includes a hydrogel film of a cross-linked, vinyl alcohol/acrylic acid salt copolymer impregnated with an aqueous carrier...
5395426 Device for the removal and concentration of organic compounds from the atmosphere  
A device and method for removing, concentrating and analyzing airborne organic compounds. The device includes a nonporous membrane which contains a collection media. The liquid collection media...
5281254 Continuous carbon dioxide and water removal system  
Carbon dioxide and water vapor are continuously removed by a venting membrane system which employs porous membranes and a liquid amine based sorbent, and which has a partial pressure gradient...
5135547 Facilitated liquid membranes for olefin/paraffin gas separations and related process  
A facilitated liquid membrane for the separation of olefins from a gaseous feed stream comprises a porous support structure (10, 15) and a liquid membrane which comprises an aqueous solution...
5100555 Method and system for removing radon from radon containing water  
Method and apparatus are described for removing dissolved radon gas from water for the purpose of reducing the exposure of household occupants to elevated airborne Rn levels, using a...
4961758 Liquid membrane process for separating gases  
The invention is a liquid membrane process for separating a gaseous stream into a permeate stream of gases having predominantly lower equilibrium K values and a stream of gases having...
4954145 Filled membranes for separation of polar from non-polar gases  
Gas permeable, filled pore membranes in which the pores are filled with a substantially non-aqueous mixture of a polyhydroxy solvent and a gas carrier. A typical example is a membrane filled with...
4888032 Salts of cationic-metal dry cave complexes  
Salts containing cations of the formula: ##STR1## (in which M is Co, Fe, Cr or Mn, X, Y, R1, The Government has rights in this invention pursuant to Contract Number CHE-75-14837 awarded by the...
4834779 Process for membrane seperation of gas mixtures  
A method for the substantial separation of at least one gas component from a gas mixture to generate a residue gas substantially depleted of the gas components to be separated. A semipermeable...
4824443 Gas separation by composite solvent-swollen membranes  
There is disclosed a composite immobulized liquid membrane of a solvent-swollen polymer and a microporous organic or inorganic support, the solvent being at least one highly polar solvent...
4818255 Material for gas separation  
A material for gas separation obtained by mixing a copper compound and a benzoin and/or an ascorbic acid in a solvent.
4780114 Molten salt hydrate membranes for the separation of gases  
The present invention is a membrane and a process for separating at least one component from at least one other component in a gas mixture. A gaseous mixture is passed over a membrane having a...
4766229 Materials for gas separation  
A material for gas separation which consists essentially of (A) a cobalt salt; and (B) amine compound and/or its derivatives containing therein a unit structure to be represented by the following...
4762535 Ammonia separation using semipermeable membranes  
The present invention is a process for separating ammonia from mixtures of other gases or from aqueous streams. The ammonia-containing mixture is contacted with a membrane containing, as the...
4761164 Method for gas separation  
The present invention is a process for separating one or more components of a gas mixture. The process comprises passing the gas mixture over a membrane, which is selectively permeable to the...
4750918 Selective-permeation gas-separation process and apparatus  
A permeant gas is selectively transferred from a feed-gas mixture which comprises the permeant gas and at least one other component to an output fluid by the process of the invention. The process...
4737166 Acid gas scrubbing by composite solvent-swollen membranes  
A composite immobilized liquid membrane suitable for acid gas scrubbing is disclosed. The membrane is a solvent-swollen polymer and a microporous polymeric support, the solvent being selected from...
4735634 Pillared cobalt complexes for oxygen separation  
The present invention is a cobalt complex having the structural formula: ##STR1## wherein each R1 is independently, a phenyl or a C1 -C6 alkyl group; each R2 is independently hydrogen, a phenyl,...
4680037 Lacunar cobalt complexes for oxygen separation  
The present invention is a cobalt complex having the structural formula: ##STR1## wherein each R1 is independently hydrogen, a phenyl or a C1 -C6 alkyl group; each R2 is independently hydrogen or...
4354857 Method and apparatus for separating gas molecules using a bipolar membrane as a molecular sieve  
A monolithic bipolar membrane having elastic properties is wetted with a polar solvent or an electrolyte, such as water. An electric field is used to control the transfer rate of gas molecules...
4239506 Use of aqueous, non-sweep liquid during membrane separation  
A material is separated from a fluid mixture by contacting the mixture containing the material with a first side of essentially solid, water-insoluble, hydrophilic, semi-permeable membrane in...

Matches 1 - 50 out of 71 1 2 >