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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 an...
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 charged...
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...
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 ( 11 C) which operates clearly above atmospheric pressure. The waste nitrogen coming from this column serves to purge, under low pressure,...
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. Regeneration...
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 O 2 -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...
6083298 Process for fabricating a sorbent-based gas storage and dispensing system, utilizing sorbent material pretreatment  
A process for fabricating a gas storage and dispensing system including a dispenser container for holding a physical sorbent material having sorptive affinity for (i) a sorbable dispensing gas to...
6066192 Method of treating or recovering gaseous hydrocarbon contained in waste gas  
6042699 Cryogenic rectification system with corona discharge feed air pretreatment  
A system including pretreating feed air for a cryogenic air separation plant wherein feed air is passed through an electric field, oxygen is ionized, and ionized oxygen reacts with hydrocarbons...
6027546 Process for drying compressed air  
A compressed air drying apparatus employs a hollow fiber membrane dryer to provide a compressed air stream having a low dew point for outdoor use. Energy efficiency is obtained by purging water...
6004378 Oxygen enrichment process  
In an adsorptive alternating pressure process for the enrichment of air with oxygen using a molecular sieve zeolite in an adsorber, wherein adsorbed components are desorbed under a pressure below...
5958109 Adsorption process for recovery of solvents  
Organic solvents are removed from air by adsorption on fixed beds of activated carbon. Each carbon bed is periodically regenerated by heating it in two distinct steps and then by cooling it in two...
5948142 Pressure and temperature swing adsorption and temperature swing adsorption  
A method is provided for separating one or more volatile contaminant components from a gas using a pressure and temperature swing adsorbent filtration filter bed system containing three or more...
5925169 Method and device for drying a gas which has been compressed by a compressor  
Method for drying a gas which has been compressed by a compressor (1) wherein compressed gas (2) from the compressor is driven through an amount of drying agent (3) until a dried, compressed gas...
5897686 Synthesis gas drying and CO.sub.2 removal  
A process and apparatus for drying and removing carbon dioxide from a hydrogen and carbon monoxide containing synthesis gas by using adsorption vessels containing a first layer of 13 X-zeolite and...
5811630 PSA process with reaction for reversible reactions  
A process is disclosed for the production of a high octane product from a feed mixture comprising C 5 -C 6 normal paraffins in which an equilibrium reaction to produce mono and dimethyl branched...
5779768 Recovery of volatile organic compounds from gas streams  
A condensable component present at low concentration in a feed gas mixture containing the condensable component and a noncondensable component is recovered by selective adsorption from the feed gas...
5647891 Method and apparatus for heated, pressure-swing high pressure air dehydration  
Method and apparatus for separating gases, especially for removing water or from a gas such as air. This invention uses a short-cycle process which produces reduction in dewpoint (for dehydrating...
5571309 Adsorption process  
An adsorption process in which high and low pressure feed streams are introduced into a plurality of beds to produce product streams by adsorbing one or more preferentially adsorbed components...
5486227 Integrated process for purifying and liquefying a feed gas mixture with respect to its less strongly adsorbed component of lower volatility  
A process is set forth for purifying and liquefying a feed gas mixture with respect to its less strongly adsorbed component of lower volatility which integrates temperature swing adsorption (TSA),...
5451248 Storage and transportation of goods under controlled atmospheres  
A system for controlling the atmosphere of a container for use in the storage and/or transportation of perishable goods which includes adsorption apparatus for the selective adsorption in whole or...
5429665 Apparatus for introducing microwave energy to desiccant for regenerating the same and method for using the same  
A gas drying device (30) in which wet gas (31) is introduced into a chamber (36) containing desiccant (38) in which the desiccant (38) adsorbs moisture from the wet gas (31) to dry the wet gas (31)...
5417742 Removal of perfluorocarbons from gas streams  
Perfluorocarbons are recovered from gas streams by subjecting the gas stream to an adsorption process in a bed of one or more energetically homogeneous adsorbents such as silicon-rich adsorbents of...
5312477 Adsorption/regeneration process  
A process for removal of contaminants from a fluid stream comprising adsorbing the contaminants with an adsorbent, contacting the resulting contaminant-laden adsorbent with a heated fluid,...
5298054 Pressure and temperature swing adsorption system  
A pressure swing and temperature swing adsorption system is disclosed which continuously purges contaminants such as nuclear, biological and chemical warfare agents from intake air and provides...
5256172 Thermally coupled pressure swing adsorption  
Pressure swing adsorption separation of a gas mixture is performed in an apparatus with a plurality of adsorbent beds cooperating to exchange energy from an adsorbent bed undergoing a...
5240475 Method and apparatus for the separation of one or more agents  
Method and apparatus for separating one or more agents, specially solvents, from gases. The agent or the agents are adsorbed by an adsorbent and thereafter desorbed and separated in a condenser...
5213593 Pressure swing sorption system and method  
A pressure swing sorption system comprises first and second sorbing chambers each including first and second openings defining a gas flow path between them, a sorbent bed disposed in the gas flow...
5186726 Suspension deaerating process  
A method and apparatus for deaerating a suspension of solids in a liquid such as, for instance, papermaking stock. The suspension is flashed in a vacuum tank connected to a condenser. The vapor...
5183484 Process for removal of water in raw material mixed gas  
An improved process for recovery of CO 2 gas in a raw material mixed gas by a PSA apparatus. The process is characterized in that the removal of water in the raw material mixed gas is carried out...
5106396 Adsorption processes with intermediate product recovery using two adsorption zones  
Adsorption processes are provided for the separation of a feedstream containing less readily, intermediately, and more readily adsorbable components using first and second adsorption zones. The...
5090973 PSA employing high purity purging  
Described is an improved pressure-swing adsorption process and apparatus which enable more thorough regeneration and, thus, a higher yield of one or more selected gases and a higher productivity of...
5089034 Process for purifying natural gas  
Processes are disclosed for separating water and carbon dioxide from hydrocarbon streams, e.g., natural gas, by adsorption prior to low temperature hydrocarbon processing operations, e.g., liquid...
Matches 1 - 50 out of 78 1 2 >