Class 48/198.6 - Specified direction of gas travel through particle mass, e.g., fluidization, flow reversal, etc.

Subclass of Class 48 - Gas: heating and illuminating
Definition: Subject matter in which a gas involved in the process is
No. of patents: 27
Last issue date: 10/28/2008

Number	Title	Issue Date
7442216	Compact fuel processor An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of reaction zones arranged in an insulated, box-shaped, compact fuel processor. The multi-step process includes preheatin...	10/28/2008
7318382	Method for incineration disposal of waste There is provided a method of incinerating a waste material to process incineration residues produced in a gasification furnace easily with existing equipment. A combustible gas generated when a waste material A is dry-distilled in a gasification furnace 1 is...	01/15/2008
7285144	Fluidized-bed gasification and combustion furnace A gasification furnace and a combustion furnace are integrated with each other to form a single fluidized-bed gasification and combustion furnace in which unburned char generated in the gasification furnace is combusted in the combustion furnace, and the thus genera...	10/23/2007
7261751	Synthesis gas process comprising partial oxidation using controlled and optimized temperature profile This invention relates to methods for reacting a hydrocarbon, molecular oxygen, and optionally water and/or carbon dioxide, to form synthesis gas. The preferred embodiments are characterized by delivering a substochiometric amount of oxygen to each of a multitude of...	08/28/2007
7214252	Method and device for pyrolyzing and gasifying organic substances or substance mixtures An apparatus for pyrolysis and gasification of organic substances and mixtures thereof is provided with a pyrolysis reactor (1), a fluidized-bed firing (3) for pyrolysis residue, a reaction zone (2) for the pyrolysis gases (13) and circul...	05/08/2007
7195059	Heat exchanger and method of performing chemical processes A heat exchanger including a passageway having an internal passage adapted to form a first flow path, and an array of conduits having internal passages that collectively form a second flow path. The conduits extend through the internal passage of the passageway, and...	03/27/2007
7192458	Process, control system and apparatus for the distribution of air in a fuel cell/fuel processor system A process, control system and apparatus for controlling the air side flows to the major components of a fuel processor apparatus are provided. The control system employs a multi-capacity blower provides process air to a partial oxidation reactor and a preferential o...	03/20/2007
7169376	Method for making hydrogen using a gold containing water-gas shift catalyst The present invention relates to a method for making hydrogen comprising contacting in a water-gas shift reaction zone a feed comprising carbon monoxide and water under water-gas shift conditions with an effective catalytic amount of a catalyst comprising highly dis...	01/30/2007
7160340	Single chamber compact fuel processor An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of reaction zones arranged in a common reaction chamber. The multi-step process includes: providing a fuel to the fuel pr...	01/09/2007
7160343	Systems and methods for carbon monoxide clean-up A fuel cell system comprises a fuel cell stack and a carbon monoxide clean-up system in communication with the fuel cell stack. The carbon monoxide cleanup system comprises a first water gas shift reactor, a first hydride heat exchanger, and a second water gas shift...	01/09/2007
7070634	Plasma reformer for hydrogen production from water and fuel A plasma reformer for the chemical reforming of gaseous mixtures of water and hydrocarbon fuels for producing hydrogen. The reformer contains a reaction chamber with outer lateral walls containing emitter electrodes and inner lateral walls containing collector elect...	07/04/2006
7018436	Catalytic reactor with tangential flow distribution A reactor with a catalyst bed having a central longitudinal axis, which catalyst bed has an upstream surface perpendicular to the central longitudinal axis, and a distribution chamber for directing a gaseous mixture of reactants to the upstream surface of the cataly...	03/28/2006
6833013	Process for the production of synthesis gas Process for the production of synthesis gas, by means of catalytic partial oxidation or autothermal reforming of light hydrocarbons, which comprises partially oxidizing the hydrocarbon with oxygen coming from the reduction of at least one metal oxide selected from h...	12/21/2004
6814940	Process for pyrolyzing carbonaceous feedstocks The present invention concerns a process and an apparatus for thermal conversion of biomass and organic wastes. According to the invention, the feedstock is fed into a fluidized-bed reactor, wherein the feed is converted at an elevated temperature under the influenc...	11/09/2004
6793698	Fuel processor reactor with integrated pre-reforming zone This invention relates to a compact apparatus for generating hydrogen. More particularly, this invention relates to a compact hydrogen generating apparatus suitable for use in conjunction with a fuel cell. The compact hydrogen generating apparatus comprises a fuel p...	09/21/2004
6790247	Compact fuel processor An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of reaction zones arranged in an insulated, box-shaped, compact fuel processor. The multi-step process includes preheatin...	09/14/2004
6436354	Apparatus for generation of pure hydrogen for use with fuel cells A process and apparatus are disclosed for the operation of a fuel cell to generate electric power from a feed stream comprising a hydrocarbon or an alcohol. The fuel cell comprises a proton exchange membrane which produces electric power from a hydrogen p...	08/20/2002
6409974	Water gas shift process and apparatus for purifying hydrogen for use with fuel cells A process and apparatus are disclosed for the operation of a compact water gas shift reactor for use in conjunction with fuel cell to generate electric power from a feed stream comprising a hydrocarbon or an alcohol. The fuel cell comprises a proton excha...	06/25/2002
6336415	Method for the heat treatment of solids In a process for the thermal treatment of solid materials (3), in particular refuse, in which the solid materials (3) are burnt/gasified or pyrolized in a first step (5) with a lack of oxygen, and then, in an afterburning zone (14), the flue gases (6) fro...	01/08/2002
5858033	Method of and apparatus for fluidized-bed gasification and melt combustion A combustion method and apparatus in which combustible matter, e.g., waste matter, coal, etc., is gasified to produce a combustible gas containing a sufficiently large amount of combustible component to melt ash by its own heat. A fluidized-bed furnace ha...	01/12/1999
5618322	Reformer for fuel cell system A number of embodiments of reformers for reforming fuel for a fuel cell that includes an elongated catalyst bed with fuel to be reformed being delivered at one end of the bed and extracted from the other end of the bed. Heat is applied to a greater extent...	04/08/1997
5421841	Process for the elimination of silica and other impurities in fluidized bed syn gas production A process for the production of syn gas (hydrogen and carbon monoxide) by reaction at high temperature between low molecular weight hydrocarbons, steam and oxygen in an impurities-containing refractory lined reaction zone. The lined reaction zone is pretr...	06/06/1995
5421840	Production of synthesis gas via fluidized bed/fixed bed process combination A mixture of hydrocarbons, oxygen and steam is reacted over a fluidized bed, in a first reaction stage, at high temperature to produce, at hydrocarbon conversion levels ranging from about 85 percent to about 92 percent, a reaction product of hydrogen and ...	06/06/1995
5421842	High energy level in situ attrition and break up of catalyst to maintain bed fluidization during high temperature operations A process for the in situ attrition and break up of an agglomerating, or agglomerated catalyst to maintain and control the fluidization characteristics of a bed wherein low molecular weight hydrocarbons, oxygen and steam are contacted with the bed to prod...	06/06/1995
5326550	Fluidized bed reaction system for steam/hydrocarbon gas reforming to produce hydrogen Hydrogen gas is generated in a fluidized bed reactor by reacting gases namely steam and a hydrocarbon gas such as methane or natural gas in a fluidized bed of particulate catalytic material. The catalytic material is fluidized by injecting the mixture of ...	07/05/1994
4971770	Process involving oxidation reactor used oxidize a gaseous phase oxidizable feed A new technique for oxidizing a gaseous phase oxidizable feed involves a process wherein a gas mixture containing at least one oxidizing gas is placed in contact with an oxidizable feed inside a mixing contact zone situated between at least one first zone...	11/20/1990
3939223	Barrier resins and impact modifiers therefor Polymers having low permeability to gases and vapors and yet high heat stability and creep resistance are prepared by a novel method of polymerizing acrylonitrile, a vinylidene aromatic monomer such as styrene and an olefinic ester such as methyl methacry...	02/17/1976

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Class 48/198.6 - Specified direction of gas travel through particle mass, e.g., fluidization, flow reversal, etc.