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6764755 |
Channelized sorbent media, and methods of making same
A channelized sorbent material comprises porous sorbent particles characterized by an average pore diameter. Each sorbent particle has at least one interior channel of an average transverse...
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6761753 |
Methods using filters employing both acidic polymers and physical-adsorption media
A filter includes at least two different adsorptive media. First, chemisorptive media, which is porous and includes an acidic functional group, is used to remove molecular bases, including ammonia,...
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6726745 |
Filter assembly with shaped adsorbent article; and devices and methods of use
A filter assembly includes a shaped adsorbent article disposed in a housing. The shaped adsorbent article has one or more projections extending from a surface of the article toward the housing to...
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6723151 |
Gas removal method and gas removal filter
A gas removal filter has an ion exchanger for adsorbing a gas and at least a pair of electric resistance measuring electrodes disposed on the ion exchanger. By measuring a change in the electric...
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6712974 |
Filterable composite adsorbents
This invention relates to filterable composite adsorbents comprising one or more adsorbent components and one or more filtration components, and methods for preparing and using same. More...
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6712878 |
Method and apparatus for renewable mercury sorption
A method of removing trace contaminants, such as mercury, from a flue gas by passing the gas over a sorbent structure on which is coated a renewable layer of sorbent. The sorbent structure can be a...
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6709644 |
Small crystallite zeolite CHA
The present invention relates to zeolites having the crystal structure of chabazite (CHA) and having small crystallite size, to processes using the small crystallite CHA as a catalyst, and to gas...
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6706097 |
Molecular separator apparatus
A molecular sieve apparatus and magnetic/adsorbent material composition facilitate molecular adsorption and separation using a magnetic field to hold, move, cool, and/or heat an adsorbent 1 that...
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6706092 |
Chemical/Biological decontamination filter
Modification, neutralization and/or decontamination of airborne biological and/or chemical contaminants from a breathable atmosphere by subjecting the breathable atmosphere to a filter which is...
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6702875 |
Carbon fiber filters for air filtration
Described are filters containing free-activated carbon fibers or activated carbon fibers in the form of a composite used for filtering a variety of contaminants, including pathogens, from air....
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6660063 |
Sorbent-based gas storage and delivery system
A capacity increase and/or pressure decrease of gas in a gas storage and dispensing vessel is achieved by use of a physical adsorbent having sorptive affinity for the gas. Such approach enables...
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6660165 |
Method for regenerating inorganic porous particles, method for purifying water, and continuous water purification device
The present invention is to provide a method for regenerating inorganic porous particles, a method for purifying water and a continuous water purification device, which can be easily applied as a...
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6638338 |
Biological filter system and a housing for a biological filter system
A method for cleaning and conditioning air in which the air is first passed through or along water in a reservoir, then passed through a layer of soil to clean and condition the air, and then...
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6638339 |
Air filter assembly for low temperature catalytic processes
An air filter assembly for removing particulate contaminants, chemical contaminants, or both, from an incoming dirty air stream. The resulting filtered or clean air is supplied to catalytic...
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6626981 |
Microporous carbons for gas storage
A method for producing high capacity gas-storage microporous sorbents involves precursor carbonization under relatively severe heat-treatment conditions, normally followed by activation using a...
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6623537 |
Removal of soot in gasification system
The raw syngas generated in a partial oxidation gasifier also includes carbon soot which is removed and recovered from the syngas by scrubbing with water. The scrubbing water contains one or more...
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6607581 |
Passive sampling badge
A passive air sampler is designed to facilitate emptying granular or particulate adsorbent from it directly into a thermal desorption tube or other vessel for use in an analytical instrument. The...
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6605135 |
Granular bed restraint system
System for restraining the upward motion of granular material in a vessel containing a bed of the granular material through which a fluid flows in an upward direction. The system comprises flexible...
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6592651 |
Activation processes for monolith adsorbents
An improved method for preparing monolith adsorbents and activating the adsorbents therein is disclosed. A mixture of lower temperature and higher temperature binders is used in fabricating the...
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6592652 |
Exhaust gas treating device and method
A device is disclosed for treating an exhaust gas emanating from a vehicle engine or a plant's chimney. This device has a housing having a treatment chamber defined therein, an inlet port for...
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6551383 |
Filtration system for collecting and filtering particles and fumes from ablative imaging plates
A flow system includes an air mover operable to cause the flow. A first stage, such as a coarse filter, is disposed upstream of the air mover and operates on the flow. A second stage, such as an...
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6534034 |
Synthetic crystalline aluminosilicate zeolite having the tschörtnerite framework topology and uses thereof
A zeolite may be synthesized having the framework topology of tschörtnerite (TSC) and an empirical formula of mA 2/n O:Al 2 O 3 :ySiO 2 where A is a cation such as lithium. It is anticipated that...
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6508858 |
Method and apparatus for treating exhaust gases
An apparatus for treating exhaust gases. The apparatus includes an adsorbing tower containing an adsorbent to adsorb an impurity gas included in the exhaust gases. A desorbing tower heats the...
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6491740 |
Metallo-organic polymers for gas separation and purification
The present invention provides for methods and compositions for gas separation and purification utilizing a metallo-organic polymer adsorbent in processes for separating carbon dioxide, water,...
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6471747 |
Method and apparatus for delivering and recovering gasses
The present invention is directed to a procedure for recycling used gasses and to devices that can be use to accomplish this recycling.
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6440196 |
Method for purifying and concentrating a gas mixture into a minor constituent, method for detecting this constituent, and installation
A method for purifying a minority constituent and concentrating it in a majority constituent of a gas mixture that also contains one or more other minority constituent(s) employs (i) a selective...
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6425937 |
Process for purifying air by adsorption over a barium-exchanged zeolite
A process for purifying a gas stream containing at least one impurity chosen from the group formed by propane, nitrogen protoxide and ethylene, in which process: (a) the gas stream to be purified...
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6402811 |
Non-dusting sorbent material filter
A sorbent filter for use with an air-purifying apparatus. The filter includes a flexible bag and a sorbent material in granular form. The flexible bag defines at least one storage region and is...
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6398846 |
Semiconductor manufacturing system with getter safety device
A semiconductor manufacturing system includes a getter-based gas purifier coupled in flow communication with a gas distribution network for a semiconductor fabrication facility. The gas...
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6395068 |
Bulk tank depressurization filter apparatus and method of using it
A bulk tank depressurization filter apparatus is disclosed which comprises a filter cartridge having an inlet and an outlet, a gas passageway therebetween, at least one gas-capturing filter through...
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6387156 |
Filtration system for collecting and filtering particles and fumes from ablative imaging plates
A filtration system, includes a filtration unit and processor. The filtration unit operates to filter ablative particles generated by thermal imaging of media and transmits a signal corresponding...
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6383259 |
Two section gas purifier with Joule-Thompson cooling device
The invention relates to an improved apparatus for thermal management in a gas purification process. As known in the prior art, a gas purification apparatus includes a two-section unitary vessel,...
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6383257 |
Reclamation and separation of perfluorocarbons using condensation
An apparatus and process for separating perfluorocarbon compounds from a gas mixture passes an incoming stream of a gas into a cold trap, the gas stream including a plurality of perfluorocarbon...
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6379429 |
Device for filtering gases
The present invention relates to a device for use in a manhole or similar structure, whereby the device is designed to filter contaminate gas typically found in such structure. More particularly,...
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6368393 |
Fan filter unit for cleanroom
A fan filter unit for use in cleanrooms is provided, which decreases efficiently the concentration of chemical substance existing in the atmosphere while the expansion of the air circulating space...
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6296685 |
Device and method for sampling in liquid phases using a diffusion body and an analyte-binding phase
A diffusion collector for analytes contained in liquid phases includes a planar housing which has channel-like cavities. A collecting phase is inserted into these channel-like cavities. The...
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6284020 |
Method of maintaining cleanliness of substrates and box for accommodating substrates
A method of maintaining cleanliness of substrates including a first step for accommodating at least a piece of substrate having a gaseous impurity-trapping filter arranged close thereto in a...
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6273938 |
Channel flow filter
Channel flow filtration media possessing high efficiency and low pressure drop is formed from a plurality of filtration layers at least some of which include a multi-dimensional channel pattern...
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6210652 |
Active composite having a laminate structure comprising an active in the form of granules
An active composite, consisting of a compressed support and of at least one agent that is active with respect to a gas, the compressed support comprising recompressed expanded graphite having a...
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6190437 |
Iodinated air filter
An air filter for effectively filtering bacteria, fungi and viruses from the air. The air filter comprising of a carrier substrate impregnated with iodine resins effectively immobilizes and...
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6168645 |
Safety system for gas purifier
A gas purification system includes a gas purification unit and one or more safety devices. The gas purification unit includes an enclosure containing a purification material that exhibits an...
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6165252 |
Adsorption process and apparatus
The adsorption of at least one component of a gas mixture is improved by passing the gas through an adsorption zone wherein the adsorbent is distributed in rectilinear channels that stepwise both...
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6162281 |
Device and process for displaying the exhaustion of a gas filter
A device for displaying the exhaustion of a gas filter filled with an adsorbent (3). A toxic gas detector (14) determines the toxic gas content at a sampling site (8) within the adsorbent (3). A...
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6162363 |
Process for removing contaminants with popcorn
A method for removing contaminants from fluids comprises contacting the fluid with an expanded material selected from popped corn, puffed rice and puffed wheat. The preferred expanded material is...
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6152990 |
Device for removing and retaining volatile compounds and method of employing the same
Device and method for removing volatile compounds from a gas stream, the device including a material which is capable of removing and retaining the volatile compounds while displaying a visible...
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6136069 |
Zincoaluminosilicates of the FAU structure
A method of separating a more strongly adsorbable component from one or more less strongly adsorbable components residing in a gaseous mixture comprising contacting the gaseous mixture at elevated...
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6132492 |
Sorbent-based gas storage and delivery system for dispensing of high-purity gas, and apparatus and process for manufacturing semiconductor devices, products and precursor structures utilizing same
A sorbent-based gas storage and dispensing system, including a storage and dispensing vessel containing a solid-phase physical sorbent medium having a sorbate gas physically adsorbed thereon. A...
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6080281 |
Scrubbing of contaminants from contaminated air streams with aerogel materials with optional photocatalytic destruction
Disclosed is a method for separating a vaporous or gaseous contaminant from an air stream contaminated therewith. This method includes the steps of: (a) passing said contaminated air into a contact...
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6060032 |
Layered adsorbent bed for carbon monoxide production
A process is set forth for the production of a carbon monoxide stream from a feed stream comprising carbon monoxide, hydrogen, carbon dioxide, methane, nitrogen and moisture. The process comprises...
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6030598 |
Process for producing a gaseous product
An ozone containing gas stream is produced from oxygen by subjecting oxygen to an electric discharge and the ozone is then adsorbed on to a solid adsorbent, such as zeolite, the oxygen containing...
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