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8142549 |
Purification of fluorine containing gases and systems and materials thereof
A method of reducing moisture in a fluorine-containing gas is described. The method may include the steps of providing a purifier material that includes elemental carbon, and flowing the unpurified...
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8142555 |
Method of treating volatile organic compound and system for treating volatile organic compound using gas turbine
The invention aims at making a volatile organic compound harmless, and in addition comprehensively improving the energy efficiency within a facility where treatment of the volatile organic compound...
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8118911 |
Air drying arrangement
An air drying arrangement for a commercial vehicle is provided having two or more desiccant canisters arranged in parallel on a single air dryer body. The arrangement may include a coupling device...
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7981194 |
Air drying arrangement
An air drying arrangement for a commercial vehicle is provided having two or more desiccant canisters arranged in parallel on a single air dryer body. The arrangement may include an coupling device...
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7922790 |
Compressor device
Compressor device having a compressor (2) with an inlet (3) and an outlet (4); a compressed air line (5) which connects the outlet (4) of the compressor (2) to a user network (6); a drier (7) which...
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7854790 |
Method of processing volatile organic compound, adsorption and desorption apparatus, and system for processing volatile organic compound
A method of processing a volatile organic compound is provided, wherein a volatile organic compound contained in gas to be treated is adsorbed in an adsorbent; the thus-adsorbed volatile organic...
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7763174 |
Process for removing contaminants using reverse flow reactor with integrated separation
The present invention pertains to a reverse-flow reactor comprising at least one catalyst bed which is preceded and followed by at least one bed containing selectively adsorbing material, and its...
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7713333 |
Adsorbents for pressure swing adsorption systems and methods of use therefor
The present invention relates generally to adsorbents for use in pressure swing adsorption (PSA) prepurification processes. The invention more particularly relates to the design of adsorbent zones...
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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...
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7524358 |
Production of high purity and ultra-high purity gas
Trace amounts of carbon monoxide and optionally hydrogen are removed from gaseous feed streams by passing the feed stream through a carbon monoxide adsorbent (33) prior to passing it through a...
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7431900 |
Hydrogen peroxide vapor system with replaceable desiccant cartridge
A hydrogen peroxide vapor generation unit (10) receives hydrogen peroxide and water solution at an interface (20) and interconnects with an air dryer (14) by way of nipples (72, 92). In one...
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7166149 |
Adsorption process for continuous purification of high value gas feeds
Using a high pressure rotary adsorbent wheel, a high value compressed gas feed can be purified by concentrating the impurity such as water, condensing it out, before final purification. Instead of...
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7156900 |
Adsorber station and the use thereof
The invention relates to an adsorber station with a first adsorber (A) and a second adsorber (B). A first closed loop pipeline (1) is connected to the adsorbers (A, B) and is provided with product...
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7100305 |
Air dryer mounting assembly
An improved system and method for mounting an air dryer is provided. The improved system and method employs a single centralized special fitting that secures the air dryer manifold to a reservoir....
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6736879 |
Process to prepare low carbon disulfide containing dimethyl sulfide
An adsorption method is disclosed for removal of acid gas from a sulfur compound stream. The method relates to a novel process to remove acid gas from a sulfur compound stream by adsorption on an...
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6730143 |
Truck air dryer purge air cleaner
Oil entrained in purge air from a vehicle air dryer is directed through a purge air cleaner to remove the oil before discharge of the purge air to the environment. An absorbent material, perferably...
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6723154 |
Method and device for cleaning air in a compressed air system
Air in a compressed air system is cleaned by consecutively passing the air through a pre-filter, silica gel with large pores, silica gel with fine pores, a molecular sieve, and a fine filter.
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6572681 |
Purification of gases
Carbon monoxide (CO) is removed from a nitrogen and CO containing gas stream such as feed air to an air separation process for recovery of a nitrogen product gas stream or a nitrogen product gas...
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6557459 |
Nitrogen generator for wine or champagne preservation and dispensing apparatus
The present invention relates to an apparatus for preserving and dispensing wine or champagne. The apparatus provides a housing having a container support for holding wine or champagne bottles, a...
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6511528 |
Purification of carbon dioxide
Commonly available carbon dioxide may contain unacceptable amounts of compounds containing greater than about ten carbon atoms, sulfur-containing materials, and nitrogen-containing materials which...
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6475265 |
Pressure swing adsorption method for production of an oxygen-enriched gas
The present invention is a two stage PSA process for producing high purity oxygen from a feed air stream. Water, carbon dioxide and nitrogen are removed in a first stage. An oxygen selective...
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6425939 |
Process for the production of hydrogen using a carbonated adsorbent with selected dubinin parameters
A process for the purification of a gaseous hydrogen flow containing one or more gaseous impurities from the group consisting of carbon monoxide, water vapor, nitrogen, H2S, chlorine, C1-C3 light...
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6364937 |
Humidity control system
A humidity control system. The system comprises a housing containing one or more hygroscopic monoliths to provide, and passively sustain, the capacity to control the humidity on an intermittent...
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6346138 |
Purification of hexafluoroethane
This invention is directed to a method and system for purifying hexafluoroethane near its critical temperature and pressure, particularly where the hexafluoroethane contains at least about 1 ppb by...
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6319303 |
Process for purifying a gas and corresponding system
In this process for purifying a gas by adsorption of a first impurity and of a second impurity, at least two main adsorbers (5A, 5B) and at least one auxiliary adsorber (6A, 6B) are used, the main...
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6139604 |
Thermally powered oxygen/nitrogen plant incorporating an oxygen selective ion transport membrane
A low energy cost process for the co-production of oxygen and nitrogen employing a fuel tube extending into the first oxygen selective ion transport membrane whereby fuel is introduced adjacent to...
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6074459 |
Ultra pure gases: removal of halocarbons, fluorocarbons, and sulfur compounds from gas streams
A process for removing sulfur-containing compounds and halocarbons such as fluorocarbons and chlorocarbons from gases to provide gas streams which contain these compounds at unprecedentedly low...
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6059859 |
Method, composition and apparatus for water removal from non-corrosive gas streams
A process, composition and apparatus for the removal of water from moist non-corrosive gases (such as those containing oxygen or CO2) down to ≤10-20 ppb water concentration are described. The d...
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6059857 |
Ultrapurification of organic solvents
A system for the ultrapurification of organic solvents comprising (1) a membrane-based vapor permeation step for selective removal of water vapor from the solvent, wherein a countercurrent sweep...
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5858320 |
Process for preparing ultrafine aluminum silicate salt particles
A process for preparing ultrafine aluminum silicate salt particles, said process comprising the steps of admixing a solution of aluminum chloride with water glass to form an aluminum silicate gel,...
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5753013 |
Gas drying apparatus and method
Apparatus for drying flowing gas includes a generally cylindrical vessel having a gas inlet and a gas outlet, two perforated plates of different metals in contact with each other transverse the...
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5702504 |
Vacuum pressure swing adsorption process
Vacuum pressure swing adsorption (VPSA) processing is carried out employing a processing sequence of ten steps that serves to enhance the productive capacity thereof for air separation and other...
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5575832 |
Regenerative hygroscopic filter and method
A regenerative hygroscopic filter having a housing containing an inlet port and an outlet port, and, a hydrophilic filter element positioned within the housing and disposed between the inlet and...
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5391358 |
Gas purification system
Processes and systems for purifying high purity helium group gas which may have been contaminated with water, oxygen and/or hydrogen during its transmission to customers' sites.
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4631074 |
Method and apparatus for reducing the temperature of air
The temperature of humid environmental air is reduced by passing the air, in a first stage, through a moisture storage agent and therein substantially freeing the air of the moisture content...
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4518400 |
Steam-sieve method and apparatus
Steam is compressed and heated to make a churn gas that is rife in synthetic fuel, and hydrogen and oxygen are sifted from the churn gas before the steam is re-cycled.
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4388086 |
Interchangeable and disposable filter cartridge and method of removing moisture and oil from compressed breathable air
A three-stage disposable filter cartridge for filtering a gaseous fluid, especially breathable compressed air, and consisting of a preferably cylindrical housing having at least an inlet and an...
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3921411 |
C2 splitter operation with side draw removal of water to prevent hydrate formation
A continuous distillation process for recovering ethylene from an ethane-ethylene mixture containing small quantities of soluble water whereby hydrate formation is prevented in the distillation...
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3312041 |
Drier and method
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3161488 |
Water adsorption process
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