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| Number | Title | Issue Date |
| 7988924 | Device and process for distribution of mixed charges onto fixed beds of catalyst in descending-flow reactors The present invention relates to a device and respective process for distribution of mixed charges comprising a flat tray in the form of a disc drained by a series of drainage tubes located above the surface of fixed beds of catalysts, capable of promoting the homog... | 08/02/2011 |
| 7422728 | Partial oxidation reactor A reactor intended to carry out partial oxidation reactions starting from liquid feedstocks that can go from GPL to gas oil for the purpose of producing synthesis gas is characterized by finely controlled hydrodynamics and a high degree of thermal integration, and c... | 09/09/2008 |
| 7419644 | Flow directing insert for a reactor chamber and a reactor A flow directing insert for a reactor chamber in a reactor may have a mainly square-shaped cross-section. The chamber has an inlet at one end of the chamber and an outlet at the other end of the chamber and at least one of the walls of the reactor chamber consists o... | 09/02/2008 |
| 7381230 | Reactor and process for making synthesis gas The invention relates to reactor systems and processes for producing synthesis gas. In one embodiment, a reactor comprises a first reaction zone comprising a combustion catalyst, wherein the first reaction zone is operated at conditions sufficient to produce a combu... | 06/03/2008 |
| 7357855 | Reactor for chemical conversion of a feed with added heat, and crosswise flow of feed and catalyst Described are a reactor for carrying out a chemical conversion process in a catalytic bed with mechanism for supplying heat integrated into the reactor, and with a very compact reaction zone, combined with efficient use of the catalyst, and a process for converting ... | 04/15/2008 |
| 7314602 | Contact, mixing, and quenching box for fluids, comprising at least one annular peripheral outlet and reaction cell with an elongated shape along an axis including said box Contact, mixing, and often quenching box (8), with main dimension (D) and height (H7), comprising at least one duct section (B1) located on the upper part of said box (8) for entry of fluids in which said box (8) comprises, downstr... | 01/01/2008 |
| 7303732 | Tubular reactor having static mixing elements separated by coalescing zones A tubular reactor characterized by having short static mixing elements separated by coalescing zones is used to conduct multiphase liquid/liquid reactions. Small droplets of one of the phases are dispersed into the other phase by the static mixing elements. These dr... | 12/04/2007 |
| 7276215 | Mixing device for two-phase concurrent vessels In a vertical reactor vessel through which vapor and liquid flow concurrently, the fluids pass vertically through a horizontal mixing box having internal flow baffles that form at least one mixing orifice through which the process stream flows at high velocity. In t... | 10/02/2007 |
| 7270689 | Reformer A reformer for reacting a raw material gas to be reformed, with an oxidizing agent gas and a reforming agent gas in the presence of an oxidation catalyst and a reforming catalyst to obtain a hydrogen-containing gas, including: a set of catalyst layers consisting of ... | 09/18/2007 |
| 7255777 | Distillation system Improved HETP is obtained in the operation of a distillation column containing trays with a packing of a porous container containing a particulate material intimately associated with a resilient component having at least 50 volume % open space, preferably at least 7... | 08/14/2007 |
| 7250142 | Device for mixing and distributing a dense fluid and a light fluid, placed upstream from a granular bed, and its use in descending flow Device for mixing and distributing a dense, generally liquid, fluid and a light, generally gaseous, fluid, placed in a reaction chamber upstream from a granular bed (70) or between two successive granular beds, the said device being characterized by a tubular... | 07/31/2007 |
| 7241375 | Heavy hydrocarbon composition with utility as a heavy lubricant base stock A heavy hydrocarbon composition with utility as a heavy hydrocarbon base stock comprising at least 95 wt % paraffin molecules, of which at least 90 wt % are isoparaffin, containing hydrocarbon molecules having consecutive numbers of carbon atoms, is a liquid at 100Â... | 07/10/2007 |
| 7238329 | Device for injecting a fluid located between two successive beds to simultaneously produce and distribute a polyphase mixture A device located between two successive granular beds (203) and (205) for injecting a secondary fluid can produce and distribute a polyphase mixture between said secondary fluid and a fluid or mixture of fluids originating from the upper granular bed a... | 07/03/2007 |
| 7211228 | Heater for hydrogen storage system A heater is disposed in contact with a hydrogen storage unit filled with a hydrogen absorption material. The heater includes at least one combustion chamber which includes a catalyst carrier and in which a combustible gas is burned, a combustible gas burning catalys... | 05/01/2007 |
| 7201838 | Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product Fischer-Tropsch hydrocarbon synthesis using a cobalt catalyst is used to produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced conversion to lower boiling hydrocarbons, by c... | 04/10/2007 |
| 7192460 | Reformate cooling system and method for use in a fuel processing subsystem A cooling system (10) is provided for use with a fuel processing subsystem (12) for reducing a level of carbon monoxide in a reformate flow (14) for a proton exchange membrane fuel cell system (16). The fuel processing subsystem (12 | 03/20/2007 |
| 7189373 | Carbon monoxide removal from reformate gas Carbon monoxide contained in reformate gas is removed by a preferential oxidation reaction in a catalyst, two preferential oxidation reactors (20A, 20B) being disposed in series. Valves (7, 8) supply air containing oxygen as an oxidizing agent i... | 03/13/2007 |
| 7189378 | Miniature reaction chamber template structure for fabrication of nanoscale molecular systems and devices A unique, micro-miniature reaction chamber template structure is disclosed for the fabrication of nanoscale molecular systems and devices. The structure is composed of multiple layers of silicon (either doped or intrinsic), Pyrex and various metals. The silicon may ... | 03/13/2007 |
| 7185678 | Orifice plate diffuser A noise reducing device for a pressurized fluid stream, i.e., a gas, includes a housing. An inlet end and an outlet end of the housing each have at least one orifice for passing a fluid therethrough. The inlet end orifice includes an inlet face and an outlet face an... | 03/06/2007 |
| 7182922 | Device for mixing and distributing a gas phase and a liquid phase supplied to a granular bed For mixing and distributing a gas phase and a liquid phase over a granular bed, employing an annular peripheral zone inside a reactor via which liquid is introduced and which acts as a buffer zone against fluctuations in the flow of the liquid phase. The device is a... | 02/27/2007 |
| 7132042 | Production of fuels and lube oils from fischer-tropsch wax Dewaxed fuel and lubricant base stocks are made by (a) producing a synthesis gas from natural gas, (b) reacting the H2 and CO in the gas in the presence of a cobalt Fischer-Tropsch catalyst, at reaction conditions effective to synthesize a waxy hydrocarbo... | 11/07/2006 |
| 7125540 | Microsystem process networks Various aspects and applications of microsystem process networks are described. The design of many types of microsystems can be improved by ortho-cascading mass, heat, or other unit process operations. Microsystems having exergetically efficient microchannel heat ex... | 10/24/2006 |
| 7112312 | Quench box for a multi-bed, mixed-phase cocurrent downflow fixed-bed reactor A compact quench box design for a multi-bed, mixed-phase cocurrent downflow fixed-bed reactor has a quench pipe manifold and nozzle assembly, a collection tray, a mixing chamber, and a single final distributor tray. The quench pipe manifold and nozzle assembly is an... | 09/26/2006 |
| 7097815 | Hydroprocessing process A process for hydroprocessing a hydrocarbon feedstock, includes the steps of providing a hydrocarbon feed having an initial characteristic; providing a first hydrogen-containing gas; feeding the hydrocarbon feed and the first hydrogen-containing gas cocurrently to a... | 08/29/2006 |
| 7081230 | Split-flow, vertical ammonia converter A vertical, fixed-bed ammonia converter wherein a fixed-bed catalyst zone is configured into two mechanically separated catalyst volumes and two gas streams that operate in parallel. The design maintains the ratio of gas flow to catalyst volume so that there is no c... | 07/25/2006 |
| 7078002 | Mixing device comprising a swirl chamber for mixing liquid The invention relates to a mixing device for mixing fluids in a multiple bed downflow reactor comprising: (i) a substantially horizontal collection tray; (ii) a swirl chamber for mixing liquid arranged below the collection tray, having an u... | 07/18/2006 |
| 7077643 | Microcombustors, microreformers, and methods for combusting and for reforming fluids The present invention provides microcombustors, microreformers, and methods of steam reforming alcohols over a catalyst. The microcombustors can be manufactured with a very small size and can operate at very low temperature. Surprisingly superior results and propert... | 07/18/2006 |
| 7074509 | Hydrogen generators for fuel cells An electric power generator including a fuel cell, which includes a fuel cell anode and a fuel cell cathode separated by at least one proton exchange membrane and a hydrogen generator operative to provide molecular hydrogen to the fuel cell anode. The hydrogen gener... | 07/11/2006 |
| 7074371 | Multiphase mixing device with improved quench injection A mixing system is disclosed which provides improved multiphase mixing through the use of a novel quench injection means. The mixing system comprises a horizontal collection tray, a mixing chamber positioned below the collection tray, and at least one passageway ext... | 07/11/2006 |
| 7074372 | Multiphase mixing device with improved quench injection for inducing rotational flow A mixing system is disclosed which provides improved multiphase mixing through the use of a novel quench injection means. The mixing system comprises a horizontal collection tray, a mixing chamber positioned below the collection tray, and at least one passageway ext... | 07/11/2006 |
| 7070745 | Multiple bed downflow reactor The invention relates to a multiple bed downflow reactor comprising vertically spaced apart reaction beds, preferably beds of catalyst particles, and, between adjacent beds, a mixing device for mixing fluids, the mixing device comprising: ... | 07/04/2006 |
| 7060232 | Polyfunctional sub-assembly for contact, material distribution and heat and/or material exchange of at least one gas phase and at least one liquid phase A sub-assembly is described that ensures contact, material distribution and heat and/or material exchange of at least one gas phase, at least a portion of which is hydrogen, and at least one liquid phase, for a vessel containing at least one bed of granular solid, s... | 06/13/2006 |
| 7052654 | Multiphase mixing device with staged gas introduction The present invention comprises a mixing system that provides improved mixing of quench gas and process fluids in a height constrained interbed space while not increasing pressure drop. In particular, the device improves the effectiveness of an existing mixing volum... | 05/30/2006 |
| 7052656 | Column for carrying out an isotope exchange between a liquid substance and a gaseous substance The column is provided for carrying out an isotope exchange (EM) between a liquid substance (L) and a gaseous substance (G) using a catalytic reaction (EK). In this reaction the isotope exchange between molecules of the vaporized liquid substance (V) and molecules o... | 05/30/2006 |
| 7045103 | Multiphase mixing device with baffles The present invention provides a novel means to provide more effective mixing of quench gas and process fluids in a height constrained interbed space of a catalytic reactor without increasing pressure drop. In particular, the device improves the effectiveness of an ... | 05/16/2006 |
| 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 |
| 7018435 | Mixing device Described is a mixing device for mixing a gaseous stream of a fuel and an oxidant that has a cylindrical mixing chamber, means for injecting a gaseous stream of the fuel tangentially along the inner surface of the wall of the mixing chamber, and means for injecting ... | 03/28/2006 |
| 7001503 | Method and apparatus for stripping sulfur-containing compounds from hydrocarbon feed stock in hydrorefining of petroleum distillates A unit for hydrorefining of hydrocarbon crude oil comprising sulfur-containing compounds comprises first catalyst layer 33 and second catalyst layer 38, top space 34 for separating vapor component and liquid component, bottom space 36, an... | 02/21/2006 |
| 6986797 | Auxiliary reactor for a hydrocarbon reforming system An auxiliary reactor for use with a reformer reactor having at least one reaction zone, and including a burner for burning fuel and creating a heated auxiliary reactor gas stream, and heat exchanger for transferring heat from auxiliary reactor gas stream and heat tr... | 01/17/2006 |
| 6977064 | Apparatus for the controlled optimized addition of reactants in continuous flow reaction systems An apparatus for performing continuous flow chemical reactions such as oxidation, oxidative dehydrogenation and partial oxidation processes involving a reactor design characterized by controlled/optimized addition of a reactant with the objective of: (i) avoiding th... | 12/20/2005 |
