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| Number | Title | Issue Date |
| 7547387 | 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... | 06/16/2009 |
| 7534341 | Discontinuous metering of catalysts and process auxilliaries into a gas-phase fluidized-bed reactor Method of metering at least one solid, particulate catalyst into a reactor containing a fluidized bed (11) of particles in an at least partly gaseous medium, in which the catalyst is metered discontinuously at prescribed time intervals into the fluidized bed ... | 05/19/2009 |
| 7399450 | Cyclone layer reactor A fluidized-bed reactor is disclosed. The fluidized-bed reactor steadies the gas flow through the fluidized bed chamber of the reactor. The swirl chamber of the reactor consists of a conical housing in which a conical insert is also situated. This creates an annular... | 07/15/2008 |
| 7390396 | Catalyst injection system with pressure control The invention is a catalyst injection system and method for injecting catalyst. In one embodiment, a fluid catalytic injection system includes vessel configured to store one or more catalysts, a pressure transmitter, a pressure control valve, a discharge valve, and ... | 06/24/2008 |
| 7381322 | Resid cracking apparatus with catalyst and adsorbent regenerators and a process thereof This invention provides a resid cracking apparatus comprising a riser, reactor, stripper cum separator with adjustable outlets in flow communication with adsorbent and catalyst regenerators for converting hydrocarbon residues containing higher concentration of conra... | 06/03/2008 |
| 7326389 | Method of producing unsaturated aldehyde and/or unsaturated acid Disclosed is a shell-and-tube reactor that may be used in a method for producing unsaturated aldehydes and/or unsaturated acids from olefins by means of fixed-bed catalytic partial oxidation. The reactor includes at least one reaction zone of a first-step reaction z... | 02/05/2008 |
| 7281702 | Methods and apparatus for mixing and distributing fluids A flow distribution device (100) has a vane distributor (111) at least partially disposed within a cartridge (102) and is operationally coupled to a second distributing device (112) that receives output from the vane distributor (111 | 10/16/2007 |
| 7275565 | Multi-conduit, multi-nozzle fluid distributor An apparatus for distributing a fluid is disclosed. The apparatus comprises a plurality of conduits and outlet ports that are capable of providing improved distribution of fluids. One or more conduits are arranged within a single conduit, which provides a compact an... | 10/02/2007 |
| 7270743 | Products produced form rapid thermal processing of heavy hydrocarbon feedstocks The present invention is directed to the upgrading of heavy hydrocarbon feedstock that utilizes a short residence pyrolytic reactor operating under conditions that cracks and chemically upgrades the feedstock. The process of the present invention provides for the pr... | 09/18/2007 |
| 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 |
| 7247233 | Apparatus and process for minimizing catalyst residence time in a reactor vessel A reactor conduit discharges into a disengaging chamber that is directly connected to a separator. A dipleg of the separator is directly connected to the disengaging chamber or to an intermediate chamber which is in direct communication with the disengaging chamber.... | 07/24/2007 |
| 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 |
| 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 |
| 7179428 | FCC apparatus The invention is related to a fluid catalytic cracking (FCC) reactor having an elongated reactor riser and a reactor vessel. The reactor vessel has a dense phase fluidized stripping zone and a catalyst outlet at its lower end and at its upper end a cracked vapor out... | 02/20/2007 |
| 7169293 | Controllable space velocity reactor and process Disclosed is an apparatus and process for controlling space velocity in a fluidized catalytic conversion reactor. The catalyst flux rate can be adjusted during the process of the reaction to adjust the space velocity and maintain a fast fluidized flow regime therein... | 01/30/2007 |
| 7121537 | Enclosed space for mixing and distribution of a gaseous phase and a liquid phase circulating in ascending flow Described is an enclosed space, a column, or a reactor including a device for mixing and distribution of at least one gaseous phase and at least one liquid phase. The device can be placed upstream of a reaction zone or of a gas/liquid contact zone that can contain a... | 10/17/2006 |
| 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 |
| 7094380 | Distribution apparatus for short time contact of hydrocarbon compounds with particles Disclosed is an apparatus for injecting a plurality of uniform jets into an extended dispersion of moving catalyst particles within a reactor vessel. The apparatus comprises a plurality of outer conduits each for carrying contacting fluid and being fixed to a respec... | 08/22/2006 |
| 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 |
| 7056371 | Liquid cleaning device A liquid cleaning device comprises a vessel (1), a bottom plate (3), a heating device and a tubular riser (12) arranged in the vessel for heated liquid ascending through the riser, the heated liquid from the upper, open end of the riser running ... | 06/06/2006 |
| 7029638 | Device for separate injection and homogeneous distribution of two fluids A device that is placed in a vessel for carrying out separate injection (1,6) of two fluids in two different physical states, or which are not miscible, and for homogeneous distribution of at least one of the two fluids in the vessel downstream of said device... | 04/18/2006 |
| 7025874 | Nozzle/mixer assembly A bitumen/steam pre-mixer and atomizing nozzle combine to produce a jet of minute liquid droplets (bitumen) in carrier gas (steam). The jet is injected into a draft tube mixer positioned in a fluid bed of hot coke particles suspended in steam and contained within a ... | 04/11/2006 |
| 7008527 | Process for catalytic cracking two integrated cracking zones of different degrees of severity followed by a cooling zone The invention consists in implanting an inner tube fed at its lower portion by a fraction of regenerated catalyst inside a riser (1) of an FCC unit that is fed by catalyst via a line (14) and a feedstock via a line (3), whereby the fluid that al... | 03/07/2006 |
| 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 |
| 6984311 | Fluid-solid contacting method An apparatus and method for contacting fluids in a fluid-solids contacting chamber is disclosed. The fluid-solid contacting chamber has a plurality of beds, and the chamber comprises a plurality of conduits and outlet ports that are capable of providing improved flu... | 01/10/2006 |
| 6955342 | Fluidized spray tower A fluidized spray vessel. A vessel design is provided for recovering heat from gaseous heat streams. The vessel utilizes a semi-fluidized bed for obtaining desirable liquid/vapor contact times. A spray section is provided in which liquid is sprayed through nozzles d... | 10/18/2005 |
| 6916416 | Apparatus and process for enhanced feed atomization A process and apparatus for atomizing a fluid is disclosed herein. The fluid is mixed with an atomizing fluid in a plurality of locations and passed through a nozzle. ... | 07/12/2005 |
| 6824675 | Distribution device for producing a polyphase mixture, and associated reactor A device for producing and distributing a polyphase mixture between two fluids comprises a chamber for the passage of a first fluid, said chamber being pierced by perforated tubes or conduits to pass a second fluid in a different physical state than the first fluid ... | 11/30/2004 |
| 6814857 | 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... | 11/09/2004 |
| 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 |
| 6673236 | Method for the production of hydrocarbon fuels with ultra-low sulfur content The present invention provides a method for producing hydrocarbon fuels with ultra-low levels of sulfur. The method involves catalytic oxidation of the sulfurous compounds within the hydrocarbon fuel, followed by extraction of the oxidized (and polarized)... | 01/06/2004 |
| 6656344 | Fluidized catalytic cracking process A sequential processing for heavy petroleum residues is disclosed which uses a separate mixture of catalyst and adsorbent. The solid adsorbent and FCC (fluids catalytic cracking) catalyst particles differ significant at least on particle size or density o... | 12/02/2003 |
| 6627068 | Fluidized bed reactor and process The present invention is directed to a continuous process for producing a desired hydrocarbon product using a heterogeneous slurry catalyst, to the product of said process, and to the reactor utilized in such process.... | 09/30/2003 |
| 6613219 | Device for distributing a poly-phase mixture over a bed of a granular solid, comprising a porous jet disturber element A device for distributing a poly-phase mixture comprises: at least one gas phase and at least one liquid phase, said mixture being in downflow mode through at least one bed of granular solid, comprising: at least one tray (P) located above one of said bed... | 09/02/2003 |
| 6610259 | High efficiency catalytic carbon monoxide conversion process A process for high-efficiency catalytic conversion of carbon monoxide (CO) to carbon dioxide (CO2) of the type comprising the steps of feeding at predetermined speed a gaseous flow comprising carbon monoxide to a reaction space (3) and reacting... | 08/26/2003 |
| 6511635 | Fluid state catalytic cracking reactor having solid fastened packing element for homogeneously distributing particle flow The upstream portion of a reactor (1), contains, between the feeding area of the catalyst flow and the injection area of the charge to be cracked, at least one solid and attached packing element (6, 6'), that extends over all or part of the cross section ... | 01/28/2003 |
| 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 |
| 6352638 | Two-stage process for converting residua to gasoline blendstocks and light olefins A two-stage process for converting petroleum residua and other low value oils to high valued gasoline blendstocks and light olefins. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizontal moving bed of ... | 03/05/2002 |
| 6187174 | Process for converting heavy petroleum fractions in an ebullated bed, with addition of a pre-conditioned catalyst A process for converting a heavy hydrocarbon fraction comprises a step a) for treating a hydrocarbon feed in a hydroconversion section in the presence of hydrogen, the section comprising at least one three-phase reactor containing at least one ebullated b... | 02/13/2001 |
| 6165353 | Distribution apparatus and method for patterned feed injection An arrangement for the controlled production of an essentially linear array of hydrocarbon feed injection jets maintains stable and reliable jets by passing individual piping for each jet through a support shroud that is located in a contacting vessel. Co... | 12/26/2000 |
