Class 95/275 - Moving bed

Subclass of Class 95 - Gas separation: processes
Definition: Process in which a bed of solid particles is constantly
No. of patents: 59
Last issue date: 02/16/2010

«First «Previous1 2 Next»Last»

Number	Title	Issue Date
7662217	Soil separator and sampler and method of sampling A soil sampler includes a fluidized bed for receiving a soil sample. The fluidized bed may be in communication with a vacuum for drawing air through the fluidized bed and suspending particulate matter of the soil sample in the air. In a method of sampling, the air m...	02/16/2010
7347980	Process for treating fluorine compound-containing gas A gas stream containing at least one fluorine compound selected from the group consisting of compounds of carbon and fluorine, compounds of carbon, hydrogen and fluorine, compounds of sulfur and fluorine, compounds of nitrogen and fluorine and compounds of carbon, h...	03/25/2008
7309384	Method and apparatus for filtering gas with a moving granular filter bed A method and apparatus for filtering gas (58) with a moving granular filter bed (48) involves moving a mass of particulate filter material (48) downwardly through a filter compartment (35); tangentially introducing gas into the compartmen...	12/18/2007
7211793	Mass spectrometry system and method Mass spectrometry system for analyzing components of a gas. In accordance with one embodiment, the system includes a mass spectrometer adapted to analyze components of the gas, and an inlet capillary fluidically connected to the mass spectrometer to convey a sample ...	05/01/2007
7169207	Device and method for treatment of gases The device and method of the present invention employs a column having a gas inlet in its lower part and a gas outlet in its upper part. Carbon particles are introduced into the column through a supply pipe. The supply pipe is movable so that by manipulating the hei...	01/30/2007
7077888	Device for separating dust from flue gases from combustion plants, especially solid fuel combustion plants The invention relates to a device for separating dust from flue gases from combustion plants, especially solid fuel combustion plants, comprising at least one dust filter via which the flue gases are guided, and by means of which the dust from the flue gases can be ...	07/18/2006
7033556	Method and apparatus for cake-forming granular-bed filtration There is provided a granular-bed filter for cleaning a gas containing fine particulate matter (“dust”). A multiplicity of vertically disposed filter trays are assembled to form a “panel.” In each filter tray, an inclined porous plate supports a bed of granul...	04/25/2006
6942841	Process for treating fluorine compound-containing gas A gas stream containing at least one fluorine compound selected from the group consisting of compounds of carbon and fluorine, compounds of carbon, hydrogen and fluorine, compounds of sulfur and fluorine, compounds of nitrogen and fluorine and compounds of carbon, h...	09/13/2005
6783572	Panel-bed method and apparatus for gas and granular material contacting There is provided an improved panel-bed method and apparatus for achieving an intimate contact of a gas and a loose granular solid material (e.g., for filtering dust from the gas). A bed of the material is housed in a tall, narrow panel, across which gas moves in a ...	08/31/2004
6440198	Cost effective moving granular bed filters for particulates and contaminants removal A moving granular bed filter for removing contaminants from a gas or vapor stream employs a quantity of granular media that is passed through a vessel while the contaminant-laden gas stream is passed through the granular media to remove at least a portion...	08/27/2002
6368389	Method for separating vaporous phthalic acid anhydride from a gas stream Phthalic acid anhydride is recovered from a gas stream containing phthalic acid anhydride vapors by passing the gas stream upwardly through a vertical tube so that the gases expand at the orifice at the upper end of the tube and mix with granules entraine...	04/09/2002
6117672	Moving bed biofilter and condenser for flue gas pollutant removal and collection A system for removing particulate, sulfur dioxide, nitrogenous oxides and other condensables from the flue gas of a coal, lignite, or other solid fuel combustor. The system can combine biomass filtration, anaerobic digestion, steam absorption refrigeratio...	09/12/2000
5730781	Regeneration process and plant for absorbents used for processing combustion products in thermal boilers According to the invention, regeneration is performed by filtering and by regenerating simultaneously the used absorbent; two stages are carried out for the regeneration: one, which is a rough stage, is performed in the presence of a regeneration gas; the...	03/24/1998
5607649	Method and apparatus for processing a particulate material in a fluidized bed chamber An apparatus for processing a particulate material containing an inflammable component, such as ethanol or another solvent, comprises a fluidized bed chamber with a perforated bed plate arranged therein. The particulate material may be fluidized on the be...	03/04/1997
5527514	Desulfurizing and denitrating tower A desulfurizing and denitrating apparatus wherein an inner space of a tower body, which has an introduction port for a gas to be processed and a processed gas discharge port formed respectively in opposite side walls, is partitioned in a direction from th...	06/18/1996
5330726	Device for the separation of undesired exhaust gas components A device for separating undesired exhaust gas components from a fluid comprises a reactor with a reaction chamber and having a top and a bottom. The top has a device for introducing a granular adsorption medium. The bottom comprises first and second oppos...	07/19/1994
5198002	Gas stream clean-up filter and method for forming same A gas cleaning filter is formed in-situ within a vessel containing a fluidizable bed of granular material of a relatively large size fraction. A filter membrane provided by a porous metal or ceramic body or such a body supported a perforated screen on one...	03/30/1993
5160708	Dry type simultaneous desulfurization and dedusting apparatus and method of operation therefor The invention relates to a dry type simultaneous desulfurization and dedusting method in forming moving beds with a granulate desulfurizing and dedusting agent containing as the principle composition 5-95 weight % of iron oxide and 95-5 weight % of metall...	11/03/1992
5110329	Filtering device for dust and exhaust gases of glass melting furnaces containing sulfurous compounds A filtering device for dust and exhaust gases of glass melting furnaces containing sulfurous compounds wherein the filtering medium is mineral wool which can be passed across the exhaust gas flow by means of a temperature-stable belt that matches the open...	05/05/1992
5110323	Process for the return of recovered particulate solids by a cyclone separator to a vessel A process for transferring and regulating the recycle of particulate solids separated from a gas-particulate solids suspension in which an auxiliary vesssel and slanted pipe are provided to transfer and regulate particulate solids flow....	05/05/1992
5019137	Method for cleaning gases containing condensable components Gases containing tar and other condensable components are cleaned by cooling them in a circulating fluidized bed reactor (2) provided with cooling surfaces (8). Into the fluidized bed reactor are led solids separated from the cooled gas in a cyclone separ...	05/28/1991
5013336	Method and apparatus for emission control The invention includes process and apparatus for removing pollutants from a gas including fluidizing a bed of particles in a container, introducing a gas containing pollutant into the bed, removing the pollutant through deposition on the particles, contro...	05/07/1991
4976934	Nested, recirculating-fiber filter A recirculating fiber filter (1) and method is provided for removing particulates from moving fluid streams. High aspect ratio fibers (2) are used which readily nest with each other to form the high voidage fiber filter bed. In the method, fibers are cont...	12/11/1990
4973459	Apparatus and method for removing gaseous contaminants and particulate contaminants from a hot gas stream An apparatus and method for cleaning hot gases containing gaseous contaminants and particulate contaminants, including sticky components where a vessel contains a walled housing and a divider which separates an enclosed area therebetween into dirty and cl...	11/27/1990
4973458	Fluidized bed system for removing particulate contaminants from a gaseous stream An apparatus and method for removing particulate contaminants, and optionally gaseous contaminants, from a hot gaseous stream where a vessel is provided containing a fluidized bed zone and the gases are passed through the fluidized bed zone containing a f...	11/27/1990
4880608	Contactor/filter improvements A contactor/filter arrangement for removing particulate contaminants from a gaseous stream includes a housing having a substantially vertically oriented granular material retention member with upstream and downstream faces, a substantially vertically orie...	11/14/1989
4853003	Removal of particulates from synthesis gas A method and apparatus for removing fine particulates from gases, such as fly ash, from syngas, at high temperatures and pressure using a two-stage cyclonic separator-stripper....	08/01/1989
4812295	Apparatus for dry scrubbing a hot gas and start-up process Hot flue gas, such as the flue gas from a fossil fuel furnace or a waste incinerator, to be scrubbed to remove acidic gas, such as sulfur dioxide and hydrogen chloride gas, and particulates, such as fly ash, is passed to a primary drying chamber and conta...	03/14/1989
4744804	Dust pre-removal method in a dry moving bed type adsorption tower In a dry moving bed type adsorption tower using a granular adsorbent, for example, for removing SOx and NOx from waste gases, the granular adsorbent entering the adsorption tower is previously rinsed with a gas in a feed pipe for the...	05/17/1988
4671806	Process and apparatus for cooling and purifying a hot gas containing slag particles A process for cooling and purifying a hot gas containing slag particles comprises the following steps: (a) the velocity of the gas mixture is reduced; (b) the flow of the gas mixture having a reduced velocity is deflected, the gas mixture being passed upward i...	06/09/1987
4652289	Purification of effluent gases The disclosure describes a method and a system for treating gaseous effluents to remove impurities therefrom, these gaseous effluents flowing out from a high temperature reactor, into which a particulate material is being fed. The method comprises directi...	03/24/1987
4552732	Method of and an apparatus for scrubbing pyrolysis gases A method of and an apparatus for scrubbing pyrolysis gases are disclosed with which a particulate scrubbing agent such as calcium hydroxide is caused to act on the gas which is being passed through a bulk bed filter, preferably of calcium carbonate, the p...	11/12/1985
4478600	Process for recovery of aluminum chloride Method for directly desubliming gaseous aluminum chloride to solid form in a fluidized bed of solid particles of aluminum chloride at controlled temperatures for production of selectively constituted solid particulate aluminum chloride....	10/23/1984
4443419	Moving bed gas treating process A gas treating process for simultaneous solid particle filtering and sulfur oxide removal is described. The feed gas stream is passed horizontally through a first moving bed of treating particles, which trap fine particles entrained in the gas stream. The...	04/17/1984
4406672	Process and installation for the intermittent cleaning of dust-laden crude gases An intermittently operated apparatus for cleaning dust laden gases has a gas-tight housing, a pair of spaced gas-permeable walls holding a filter bed consisting of granular filter material. A centrally located conveying pipe is mounted to the housing for ...	09/27/1983
4406676	Method and apparatus for filtering a stream of gas while drying waste lignocellulosic material A method for using comminuted lignocellulosic waste material such as flake-like wood and bark chips which have been stored outside includes placing the material in a filter bed by movement in a first direction, and thereafter passing polluted effluent gas...	09/27/1983
4396590	Auto-preseparation of carbon black Aerosols such as a carbon black containing smoke are subjected to an auto-preseparation by passing the aerosol or smoke through loose particles collected and accumulated and only thereafter passing the aerosol or smoke through a separator such as a filter...	08/02/1983
4372937	Waste heat recovery Combustion products containing particulate solids such as carbon black are quenched by indirect heat exchange and the build up of solids deposits on the heat exchange surfaces is minimized or deposits on the heat exchange surfaces are removed by providing...	02/08/1983
4360364	Filtering method and apparatus therefor A method of and apparatus for removing particulate contaminants from a gaseous stream. Broadly, the apparatus comprises a housing containing a substantially vertical granular material retention member having upstream and downstream faces, a substantially ...	11/23/1982
4349367	Method of recovering waste heat from furnace flue gases using a granular heat exchange means Granular heat exchange medium is employed to recover waste heat from a combustion furnace, particularly a glass melting furnace, and the heated medium is then employed to pre-heat combustion air entering the furnace. A bed of granular heat exchange medium...	09/14/1982

«First «Previous1 2 Next»Last»

PatentStorm

Quotables

PatentStorm News

Class 95/275 - Moving bed