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9023244 Capture of CO2 from hydrogen plants  
The invention includes a process which eliminates or reduces the CO2 emissions from a steam methane reforming and autothermal reforming plant. The process preferentially uses temperature swing...
8784535 Pressure-temperature swing adsorption process for the separation of heavy hydrocarbons from natural gas streams  
The present invention relates to a pressure-temperature swing adsorption process wherein gaseous components that have been adsorbed can be recovered from the adsorbent bed at elevated pressures....
8784534 Pressure-temperature swing adsorption process  
A pressure-temperature swing adsorption process for the removal of a target species, such as an acid gas, from a gas mixture, such as a natural gas stream. Herein, a novel multi-step temperature...
8784533 Temperature swing adsorption process for the separation of target species from a gas mixture  
A temperature swing adsorption process for the removal of a target species, such as an acid gas, from a gas mixture, such as a natural gas stream. Herein, a novel multi-step temperature...
8747522 Method for the adsorptive drying of purified biogas and for regenerating laden adsorbents  
In a method for adsorptively drying purified biogas and regenerating laden absorbents, foreign matter is not allowed to enter the purified biogas, the content of methane in the gas remains...
8690990 Method of purifying air  
A pre-purification method of feed air for cryogenic air separation, which includes; (a) an adsorption step wherein a compressed feed air is supplied in an adsorption column, wherein a moisture...
8685175 Apparatus and process for isomerizing a hydrocarbon stream  
An apparatus and process for isomerizing a hydrocarbon stream rich in a C4 hydrocarbon and/or at least one of a C5 and C6 hydrocarbon which includes a first drier and a second drier; and a...
8658120 Non-thermofusible phenol resin powder, method for producing the same, thermosetting resin composition, sealing material for semiconductor, and adhesive for semiconductor  
Disclosed is a non-thermofusible phenol resin powder having an average particle diameter of not more than 20 μm and a single particle ratio of not less than 0.7. This non-thermofusible phenol...
8496738 Nitrogen and oxygen separation using vacuum swing adsorption  
A mixed gas is separated with collection of at least one constituent gas. An inlet leads to a blower or other gas compression element through a valve. This blower feeds a chamber which contains...
8480770 Hydrogen production system and method of controlling flow rate of offgas in the system  
A hydrogen manufacturing system for performing offgas flow control includes: a vaporizer (1) for heating a material mixture containing a hydrocarbon material; a reforming reactor (2) for...
8372375 Method of producing high-purity hydrogen  
For recovering hydrogen with a high recovery from a reformed gas and contributing to downsizing and cost reduction of facilities, a high-purity hydrogen E is obtained by reforming a reformable raw...
8337592 Purification or separation process using several out-of-phase adsorbers  
A method of purifying or separating a gas using a number of adsorbers on phase-shifted cycles, and more particularly to the purification of atmospheric air, prior to cryogenic separation of the...
8298305 Hydrogen production system and method of controlling flow rate of offgas in the system  
A hydrogen manufacturing system for performing offgas flow control includes: a vaporizer (1) for heating a material mixture containing a hydrocarbon material; a reforming reactor (2) for...
8062613 Apparatus and process for isomerizing a hydrocarbon stream  
An apparatus and process for isomerizing a hydrocarbon stream rich in a C4 hydrocarbon and/or at least one of a C5 and C6 hydrocarbon which includes a first drier and a second drier; and a...
8038771 Systems and methods for regulating heating assembly operation through pressure swing adsorption purge control  
Pressure swing adsorption (PSA) assemblies with purge control systems, and hydrogen-generation assemblies and/or fuel cell systems containing the same. The PSA assemblies are operated according to...
8021464 Method and installation for combined production of hydrogen and carbon dioxide  
The invention concerns a method for combined production of hydrogen and carbon dioxide from a mixture of hydrocarbons wherein the residual PSA is treated to produce a carbon dioxide-enriched...
8020553 Ambulatory oxygen concentrator containing a three phase vacuum separation system  
An oxygen concentrator comprises an oxygen reservoir and adsorbent columns that each have an inlet, an outlet, and a bed of adsorbent material. The concentrator also comprises an air inlet, an...
7954490 Method of providing ambulatory oxygen  
Concentrated oxygen product gas is produced and delivered to a patient. Product gas is produced by (a) introducing ambient air into a first end of a column containing an adsorbent material that...
7896935 Process of conducting reactions or separation in a microchannel with internal fin support for catalyst or sorption medium  
A process of conducting a catalyst reaction or fluid separation in comprising: at least one process microchannel having a height, width and length, the height being up to about 10 mm, the process...
7833311 Temperature-based breakthrough detection and pressure swing adsorption systems and fuel processing systems including the same  
Pressure swing adsorption (PSA) assemblies with temperature-based breakthrough detection systems, as well as to hydrogen-generation assemblies and/or fuel cell systems containing the same, and to...
7799117 Gas treatment process by temperature swing adsorption  
A thermal sink is used to recover heat from a product gas leaving an adsorption vessel in a thermal swing adsorption process. Heat that is recovered from the product gas is used to heat a...
7771670 Apparatus and method for reducing and removing airborne oxidized particulates  
A method for treating air flow containing particulates and oxidized compounds of carbon, sulfur, iron, and other elements. The method includes supplying an air flow to a reaction zone formed...
7766010 Method of controlling the rate of oxygen produced by an oxygen concentrator  
A method of providing concentrated oxygen product gas to a patient. The method comprises producing product gas by a vacuum swing adsorption (VSA) process with an oxygen concentrator comprising a...
7749306 Method of restarting feed air purifier  
A method of restarting a TSA apparatus includes, in the case where the TSA apparatus was stopped when or after when a temperature of a purge gas which flows out from a first adsorption column (5a)...
7744676 TSA process  
In a TSA process of an at least two-component raw gas, to adjust for fluctuation in load, the cycle time of at least one method step is extended in the event of falling below the design load value.
7694674 Oxygen generator with storage and conservation modes  
An electronic controller (16) controls the operation of an electrochemical oxygen generating system (14) producing a desired gas. The product gas is fed to a storage unit (12) or a regulator (28)...
7691183 Method for drying compressed gas and device used thereby  
Method for drying the compressed gas of a compressor device (1) having at least two pressure stages (4-5), whereby a dryer (3) is used with at least two pressure vessels (9-12) which are filled...
7399342 Systems and methods for regulating heating assembly operation through pressure swing adsorption purge control  
Pressure swing adsorption (PSA) assemblies with purge control systems, and hydrogen-generation assemblies and/or fuel cell systems containing the same. The PSA assemblies are operated according to...
7393382 Temperature-based breakthrough detection and pressure swing adsorption systems and fuel processing systems including the same  
Pressure swing adsorption (PSA) assemblies with temperature-based breakthrough detection systems, as well as to hydrogen-generation assemblies and/or fuel cell systems containing the same, and to...
7326821 Removal of oxygenate from an olefin stream  
This invention is to a process for removing dimethyl ether from an olefin stream. The process includes contacting the olefin stream with a molecular sieve that has improved capacity to adsorb the...
7272942 Method and system for purifying exhaust gas  
The invention relates to a method and system for purifying exhaust gas, especially a solvent-containing exhaust gas from refrigerator recycling, wherein the dried, pressurized exhaust gas is...
7153344 Process for the preparation and recovery of carbon dioxide from waste gas or fumes produced by combustible oxidation  
A process for the separation and recovery of carbon dioxide from waste gases produced by combustible oxidation is described comprising the steps of feeding a flow of waste gas to a gas...
7066986 Apparatus for use in regenerating adsorbent  
An adsorber vessel for use in the adsorption of a component from a gas and subsequent regeneration by thermally induced desorption of the component comprises an inlet for regeneration gas having...
7022159 Process and apparatus for treating a feed gas  
A process and an apparatus related to the reduction of the level of a component in a feed gas such as air involving passing the gas to at least three parallel thermal swing adsorption zones...
6916359 Ozone production processes  
Methods of providing ozone at a selected pressure above atmospheric pressure include supplying a purge gas supply (22) pressurized above the selected pressure to at least one ozone adsorption...
6911066 Method for treating a gas mixture by adsorption  
A method for operating a typical cyclic adsorption unit that is easily implemented in both new and existing treatment plants, wherein fluctuations in the stream compositions due to the adsorption...
6794077 Passive water management fuel cell  
A proton exchange membrane (PEM) fuel cell includes fuel and oxidant flow field plates (26, 40) having fuel and oxidant channels (27, 28; 41, 44), and water channels, the ends (29, 48) of which...
6607582 Method of feeding, with impure nitrogen, the combustion chamber of a gas turbine combined with an air distillation unit, and corresponding electricity generation plant  
The air distillation unit (2) has a low-pressure column (11C) which operates clearly above atmospheric pressure. The waste nitrogen coming from this column serves to purge, under low pressure, the...
6530974 Method for the separation of molecules in the gas phase by adsorption by means of agglomerated solid inorganic adsorbents with a narrow and calibrated mesopore distribution  
The present invention relates to a novel family of inorganic solids with a narrow and calibrated mesopore distribution which are agglomerated with a binder; these solids can advantageously be used...
6521020 Claus feed gas hydrocarbon removal  
A process for adsorbing hydrocarbons from an acid gas stream includes passing the acid gas stream through an adsorbent which selectively removes hydrocarbons, desorbing the hydrocarbons from the...
6502328 Seal for holding a microwave antenna at a pressurized tank of a gas drying system and method  
A seal for an opening defined by a sidewall portion of the pressurizable tank. The tank contains desiccant for drying gases which pass through the desiccant. An elongate antenna extends from an...
6478849 Vapor recovery system for fuel storage tank  
A vapor recovery system for a fuel storage tank. The system includes a pair of VOC adsorbent canisters that alternately recover VOC vapors from the fuel tank ullage or are regenerated....
6471749 Gas purification method  
The present invention relates to a gas purification method for adsorbing and removing impurities by PSA method combined with heating, capable of removing water vapor and carbon dioxide in an...
6444012 Selective removal of nitrogen from natural gas by pressure swing adsorption  
A pressure swing adsorption process for the separation of nitrogen from natural gas utilizes two separate pressure swing adsorption stages, the first containing a hydrocarbon-selective adsorbent...
6436171 Oxygen-selective adsorbents  
The present invention provides for novel solid state O2-selective metal complex-based adsorbents and their utility for separating oxygen from a gas stream. In particular, the invention provides...
6402809 Management of an air purification system with thermal regeneration  
A process and a system for purifying gas, such as air, before cryogenic distillation, in which at least one energy parameter, chosen from the flow rate of the regeneration gas entering and/or...
6293998 Apparatus for use in pressure and temperature swing adsorption processes  
An apparatus for pressure and temperature swing adsorption processes is described. Such processes include pressure swing adsorption, temperature swing adsorption, and sorption cooling. The...
6251164 Fluid separation process and separation system therefor  
Separation of one or more fluidic components from a feed fluid containing a plurality of components is accomplished by adsorbent powder entrained in a stream of fluid, such as gas, and preferably...
6143057 Adsorbents and adsorptive separation process  
Adsorbent composites composed of microparticulate zeolites at least 90% of whose particles have a characteristic particle dimension not greater than about 0.6 micron and a macropore inert binder....
6099617 Air environment control systems  
A method is described for providing clean air at desired temperature to an environment. Incoming air possibly contaminated with nuclear biological and chemical contaminants is compressed. The...

Matches 1 - 50 out of 105 1 2 3 >