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| Number | Title | Issue Date |
| 7951341 | Reactor design for smaller batch transfers of catalyst A moving bed of catalyst loses activity as it moves through the reactor. Creating multiple passes for the process fluid moving across a catalyst bed, increases the utilization of the catalyst and creates a pseudo-counter current flow of catalyst and process fluid. T... | 05/31/2011 |
| 7413647 | Method and apparatus for upgrading bituminous material The present invention consists of an improved method and apparatus to upgrade bitumen in various forms which comprises four main components; namely, a fractionator equipped with a condenser, a heavy gas oil catalytic treater, a catalyst regenerator/gasifier and a ga... | 08/19/2008 |
| 7396515 | Reactor for the treatment of a sample medium A reactor with a reaction chamber (14), which is produced for example by etching or other micro-mechanical production processes. An agitating device (20) is formed for example by an electrical field generator (18), which acts on electrical charg... | 07/08/2008 |
| 7378059 | Downflow test unit for the study of catalysts in short contact time reactions between the catalyst and the reagents A test unit for the study of catalysts in short contact time reactions between a catalyst and at least one reagent, with a down transported flow reactor (4), with a load inlet (13, 13a, 13b) and a discharge outlet (14) linke... | 05/27/2008 |
| 7374940 | Method and apparatus for determining the progress of a uranium oxyfluoride conversion reaction in a furnace and for controlling the reaction A substance in a condensed state, for example a powdered solid, is in continuous movement in the longitudinal direction (6) of a furnace (4, 5). A reactive gas mixture is brought into contact with the substance in the condensed state. A plurality of sa... | 05/20/2008 |
| 7303731 | Method and apparatus for regenerating an iron-based fischer-tropsch catalyst Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, ... | 12/04/2007 |
| 7241376 | Method for passing a fluid through a moving bed of particles A process for contacting a bed of particulate material, usually catalyst, with a transverse flow of fluid is disclosed. The particulate material moves or is prevented from not moving, while the fluid passes through the bed at a rate greater than the stagnant bed pin... | 07/10/2007 |
| 7166260 | Reactor for producing ultra fine particles A reactor containing a plurality of porous rotors is disclosed. A liquid sprayed in a direction from a rotating axis to the rotors is hit by the porous rotors, creating fine liquid particles, so that a mass transfer takes place between the surfaces of the liquid par... | 01/23/2007 |
| 7138094 | Reactor for catalytic treatment of a particle-containing gas An up-flow reactor for the catalytic treatment of particle containing gas comprising at least one fixed catalytic bed; at least one drain pipe located upstream of the fixed catalytic bed, the drain pipe disposed within the reactor and a dust rectifier located downst... | 11/21/2006 |
| 7132088 | Granular moving-bed apparatus A granular moving-bed apparatus is introduced to have an inlet louvered wall, an outlet louvered wall opposing to the inlet louvered wall, a granular path formed in between, a plurality of serial roof-shaped flow-corrective elements located along the granular path, ... | 11/07/2006 |
| 7077949 | FCC reactor vessel A fluidized catalytic cracking reactor vessel having at its upper end means to separate catalyst particles from an effluent of a dilute phase fluidized catalytic cracking reactor riser, which separation means are fluidly connected to the downstream part of the react... | 07/18/2006 |
| 7022294 | Compact reactor A reactor comprises a plurality of reaction zones divided by heat exchanger panels but in fluid communication via the panels, the reaction zones being arranged in a spiral configuration whereby the reaction zones form a flow path for reactants that extends between a... | 04/04/2006 |
| 7001573 | Process for removing fine dust from a fluidized-bed reactor, in particular for the oxychlorination of ethylene By a process for removing fine dust from a fluidized-bed reactor, in particular for the oxychlorination of ethylene, is intended to permit specific control of the amount of fine dust particles in a reactor while reducing the height of the reactor and the same time f... | 02/21/2006 |
| 7001574 | Apparatus for producing high molecular weight liquid hydrocarbons from methane and/or natural gas A mixture of natural gas and air is converted to a C5–C19 diesel fuel-grade liquid hydrocarbon. The natural gas and air mixture is supplied to the input of a catalytic partial oxidation reactor. The carbon-containing gas output of the catalyt... | 02/21/2006 |
| 6974562 | Methods of synthesizing an oxidant and applications thereof Novel devices for synthesizing ferrate and uses thereof are described. One aspect of the invention relates to devices and systems for synthesizing ferrate at a site proximal to the site of use. ... | 12/13/2005 |
| 6939823 | Stripper and a stripping process for removing the flue gas carried by regenerated catalyst A stripper and a stripping process for removing the flue gas carried by regenerated catalyst. A cylindrical stripper mainly comprises a degassing pipe at the longitudinal axis, a horizontal pipe connected with the lower end of the degassing pipe, several sets of inn... | 09/06/2005 |
| 6932951 | Microfabricated chemical reactor A microfabricated chemical reactor includes a plurality of lamina, an inlet port formed in at least one of the lamina, and an outlet port formed in at least one of the lamina. A continuous channel is formed in at least one of the lamina and provides fluid communicat... | 08/23/2005 |
| 6905660 | Process for loading a reactor There is provided a method for loading solid particles into a multi-tube reactor having an upper tube-sheet holding together the upper ends of the multitude of reactor tubes, the method comprising positioning a loading device having a plurality of holes on top of th... | 06/14/2005 |
| 6846469 | Method for extending operating life of a fixed bed reactor A method for extending the operating life of a fixed bed reactor for reacting a feedstock in which a feedstock is contacted with a fixed bed of catalytic material contained in the reactor. ... | 01/25/2005 |
| 6736960 | Feed injection system for catalytic cracking process A fluid catalytic cracking unit includes a nozzle located in the bottom of a riser reactor. A first conduit provides a passageway for enabling a dispersing gas to flow therethrough and through an outlet passageway in a cap covering the end of the conduit. The outlet... | 05/18/2004 |
| 6723292 | Stripper and a stripping process for removing the flue gas carried by regenerated catalyst A stripper and a stripping process for removing the flue gas carried by regenerated catalyst. A cylindrical stripper mainly comprises a degassing pipe at the longitudinal axis, a horizontal pipe connected with the lower end of the degassing pipe, several sets of inn... | 04/20/2004 |
| 6689331 | Staged combustion process and apparatus for regenerating a reforming or aromatic compound production catalyst in a moving bed An apparatus for regeneration a reforming or aromatic compound production catalyst comprises a first combustion zone wherein the first combustion zone receives catalyst and an oxygen-containing gas; a successive second combustion zone; and a conduit commu... | 02/10/2004 |
| 6688494 | Process for the manufacture of metal nanoparticle A process and apparatus prepares and collects metal nanoparticles by forming a vapor of a metal that is solid at room temperature, the vapor of the metal being provided in an inert gaseous carrying medium. At least some of the metal is solidified within t... | 02/10/2004 |
| 6685892 | Process and apparatus for controlling reaction temperatures A process and apparatus for contacting reactants with a particulate catalyst while indirectly contacting the reactants with a heat exchange medium performs heat exchange in a first reaction zone and moves catalyst, at least intermittently, through the sec... | 02/03/2004 |
| 6630116 | Method to remove ammonia using a proton-conducting ceramic membrane An apparatus and method for decomposing NH3. A fluid containing NH3 is passed in contact with a tubular membrane that is a homogeneous mixture of a ceramic and a first metal, with the ceramic being selected from one or more of a cera... | 10/07/2003 |
| 6569317 | Trickle valve An apparatus comprising a trickle valve positioned at the lower end of a vertical dipleg of a gas-solids separator comprising a pair of co-operable clamshell doors arranged in such a manner that mutual opposite swinging movement between a closed position ... | 05/27/2003 |
| 6524540 | Materials and methods for water purification A catalyst for the purification, e.g., disinfection, of water is disclosed. The catalyst of the invention comprises a substrate, a first metal, and at least one additional metal. The metals are codeposited on the substrate to form a unified structure. Met... | 02/25/2003 |
| 6500309 | Dimensions in reactive distillation technology A system for separating products from reactants within a reactive distillation column is revealed. Reaction products heavier than reactants are discouraged to re-enter the reaction zone by a rectifying section in between the reaction zone and the strippin... | 12/31/2002 |
| 6489132 | Methods and apparatus for determining specific analytes in foods and other complex matrices Methods and apparatus for qualitatively or quantitatively determining one or more analytes in matrices such as foods, biological fluids, etc. An embodiment for determination of a single analyte comprises a sample receiving vessel, a first membrane and a r... | 12/03/2002 |
| 6468418 | Sorbent treating of lubricating oils to remove haze precursors A base oil feed having a tendency to form a haze at ambient or sub-ambient temperatures is contacted with a solid adsorbent to remove at least a portion of the haze precursors, thereby reducing the haze-forming tendency of the base oil feed.... | 10/22/2002 |
| 6464949 | Steam cracking installation with means for protection against erosion A steam-cracking unit comprises at least one multitube quenching exchanger, equipped with a non-obstructive impact separator for preventing the erosion of the tubular input plate. The impact separator is at least 50% opaque when viewed from transfer pipe.... | 10/15/2002 |
| 6432369 | Apparatus for controlling reaction temperatures An apparatus for contacting reactants with a particulate catalyst while indirectly contacting the reactants with a heat exchange medium amid simultaneous exchange of catalyst particles by an operation that sequentially restricts reactant flow while moving... | 08/13/2002 |
| 6387247 | Feed injection system for catalytic cracking process A catalytic cracker riser reactor is connected to a regenerator standpipe through which hot, regenerated catalyst enters the riser bottom region. A hydrocarbon feed, such as gas oil, and dispersing gases, such as steam, are introduced through a single bot... | 05/14/2002 |
| 6284104 | Apparatus and process for hydrogenations An apparatus for conducting reactive distillations comprising a first distillation column, a first primary catalyst bed for carrying out a hydrogenation of unsaturated compounds comprising diolefins. The first primary catalyst bed is positioned in the dis... | 09/04/2001 |
| 6190624 | Simplified plate channel reactor arrangement The apparatus for indirectly exchanging heat with narrow channels in a heat exchange type channel reaction zone uses plates containing partially perforated sections to simplify or eliminate the use of manifolds to distribute to and collect different fluid... | 02/20/2001 |
| 6177053 | Devices for removing acetic acid from cyclohexane in the production of adipic acid This invention relates to methods and devices for removing acetic acid from cyclohexane in the direct oxidation of cyclohexane to adipic acid, especially after recycling catalyst which is precipitated by introduction of additional cyclohexane. The removal... | 01/23/2001 |
| 6149882 | Parallel fixed bed reactor and fluid contacting apparatus The present invention discloses an apparatus and method for rapid analysis of members of a combinatorial library. The apparatus includes a plurality of vessels for containing individual library members and a fluid handling system that apportions a test fl... | 11/21/2000 |
| 6090351 | Moving bed chamber with a regularized flow A chamber comprising a moving bed of solid particles, delimited by at least one screen with thickness e, circulating in a downward direction substantially parallel to the screen, the bed being traversed by at least one fluid flowing in the bed in a princi... | 07/18/2000 |
| 6080373 | Method of contacting catalyst particles with gas and liquid Catalyst particles are contacted with a liquid and a gas in a vertically extending cylindrical vessel. The particles and liquid are placed in the vessel into which the gas and liquid are continuously fed from the bottom thereof so that an upwardly flowing... | 06/27/2000 |
| 6051109 | Apparatus for distributing fluffed pulp into a static bed reactor A process and apparatus for treating and particularly bleaching pulp contacts a pulp with a gaseous reaction medium in a reactor tower. The pulp is fluffed and refined before being added to the pulp bed and then homogeneously permeated with the gaseous re... | 04/18/2000 |
