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| Number | Title | Issue Date |
| 7419585 | Process for upgrading residua A process for upgrading a residua feedstock using a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles. The residua feedstock is preferably atomized so that the Sauter mean diameter of the residua feedstock ... | 09/02/2008 |
| 7364707 | Packing element comprising at least one recessed portion of specific volume and method of using thereof A packing element for use in a fluidised bed includes a continuous surface with at least one recessed portion. The recessed portion has a volume in the range of 0.2 to 30% of the volume of the packing element itself. ... | 04/29/2008 |
| 7357980 | Nonmagnetic powder comprising acicular iron and having specific porosity for a magnetic recording medium, method of manufacturing same, and magnetic recording medium using same A nonmagnetic powder, used for the nonmagnetic layer of a coated type magnetic recording medium having a multilayer structure, has good dispersibility in the binder in which it is dispersed to prepare a coating material that is applied to the nonmagnetic layer. The ... | 04/15/2008 |
| 7332131 | Apparatus and method for achieving a desireable feed/catalyst contacting condition in fluid catalytic cracking units A feed nozzle assembly located near the bottom of an FCC riser reactor includes a plurality of feed nozzles, each feed nozzle including a discharge end which is angled toward the center of the riser. The angled discharged ends provide a combined discharge of hydroca... | 02/19/2008 |
| 7172733 | Device for injection of hydrocarbons into a fluidized chamber A device suitable for atomization and injection of a hydrocarbon batch into a reaction chamber comprises an admission and mixing chamber (5) for the liquid hydrocarbon batch introduced into the device by a tube (8) and for an atomization gas introduced... | 02/06/2007 |
| 7112311 | Cooling method of hydrotreating plant and cooling unit therefor A cooling method of a hydrotreating plant having a desulfurization section (1) including a furnace (12) for heating liquid to be processed, reactors (14, 15) for hydrotreating sulfur to generate hydrogen sulfide, a hydrogen sulfide absorber (... | 09/26/2006 |
| 7101474 | Method and process with refractory shelf for hydrodynamic mixing zone A shelf is incorporated into a typical FCC riser that permits the tips of the nozzles to extend past the wall of the riser while preventing the tips from promoting coke build-up and protecting the tips from erosion. The shelf can be part of an angled section that of... | 09/05/2006 |
| 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 |
| 7060228 | Internal device for separating a mixture that comprises at least one gaseous phase and one liquid phase Device that is integrated in a chamber that allows a separation of a mixture that comprises at least one gaseous fraction and one liquid fraction, whereby said mixture is obtained from a zone for bringing into contact a liquid phase, a gaseous phase and solid partic... | 06/13/2006 |
| 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 |
| 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 |
| 6936227 | Feed-dispersion system for fluid catalytic cracking units A feed-dispersion system for hydrocarbon feeds of fluid catalytic cracking units is described, which comprises: a feed-injection system made up of two concentric conduits, where the atomization fluid flows through the inner conduit... | 08/30/2005 |
| 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 |
| 6902707 | 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. ... | 06/07/2005 |
| 6783662 | Cavitation enhanced liquid atomization A cavitation enhanced atomizing process comprises forming a flowing solution of the liquid to be atomized and a lower boiling cavitating liquid. This flowing solution is then contacted with a pressure reducing means, at a temperature below the bubble point of the ca... | 08/31/2004 |
| 6755962 | Combined thermal and catalytic treatment of heavy petroleum in a slurry phase counterflow reactor A slurry phase reactor is designed to treat extra heavy petroleum crude in a combination of thermal-zone and catalytic-zone in a counterflow system where liquid feed is added to the top and hydrogen at the bottom. Feed enters the gas-phase thermal zone, where it pas... | 06/29/2004 |
| 6692634 | Method for modifying of hydrocarbon fuel and devices for modifying hydrocarbon fuel The invention relates to chemistry and in particular to technology for processing hydrocarbon fuel, including engine fuel. The invention makes it possible to obtain a fuel with high cetane and octane numbers by means of the following: the initial fuel sup... | 02/17/2004 |
| 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 |
| 6558530 | Process for the fluid catalytic cracking with pre-vaporized feed A process for the catalytic cracking in a fluidized bed where the feed stock is fully and previously vaporized before made to contact the cracking catalyst which has its origin in the regenerator. The pre-vaporization of the feed dispenses with the heat e... | 05/06/2003 |
| 6454933 | Fluid atomization process A process and apparatus for atomizing a fluid is disclosed. The processes and apparatuses are useful for atomizing a feed oil for a fluid cat cracking (FCC) or other suitable process.... | 09/24/2002 |
| 6436279 | Simplified ebullated-bed process with enhanced reactor kinetics This invention teaches an improved ebullated-bed reactor hydrotreating/hydrocracking process for treating heavy vacuum gas oil (HVGO) and deasphalted oil (DAO) feeds. The reactor is designed to operate at minimum catalyst bed expansion so as to maximize r... | 08/20/2002 |
| 6352639 | Superheating atomizing steam with hot FCC feed oil An atomizing gas, such as steam, and a hot fluid comprising a hot liquid to be atomized, are passed under pressure, through separate fluid conduits in a heat exchange means, in which the hot liquid heats the steam to a superheat temperature, by indirect h... | 03/05/2002 |
| 6270654 | Catalytic hydrogenation process utilizing multi-stage ebullated bed reactors A process for catalytic multi-stage hydrogenation of heavy carbonaceous feedstocks using catalytic ebullated bed reactors is operated at selected flow and operating conditions so as to provide improved reactor operations and produce increased yield of low... | 08/07/2001 |
| 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 |
| 6179997 | Atomizer system containing a perforated pipe sparger A novel apparatus and process, including a perforated-pipe sparger, for atomizing a liquid stream is disclosed. This novel apparatus and process can be utilized in a fluidized catalytic cracking process or in a coking process for atomizing an oil stream p... | 01/30/2001 |
| 6171476 | Cavitation enhanced liquid atomization A cavitation enhanced atomizing process comprises forming a flowing solution of the liquid to be atomized and a lower boiling cavitating liquid. This flowing solution is then contacted with a pressure reducing means, at a temperature below the bubble poin... | 01/09/2001 |
| 6093310 | FCC feed injection using subcooled water sparging for enhanced feed atomization Atomization of a high boiling point, hot liquid, such as a hydrocarbon feed oil for a fluid cat cracker, is enhanced by injecting subcooled water into the hot liquid, to form a two-phase fluid of the liquid and steam, upstream of the atomization. The hot ... | 07/25/2000 |
| 6059958 | Process for the fluid catalytic cracking of heavy feedstocks A process for the fluid catalytic cracking of heavy feeds under a heat balance regime is described, where one or more catalyst coolers external to the regenerator cool a stream of regenerated catalyst. A portion of said stream returns to the regenerator a... | 05/09/2000 |
| 6045688 | Method based on a fluidized-bed reactor for converting hydrocarbons The invention relates ro a method of converting hydrocarbons. According to the method, a gaseous or liquid hydrocarbon feed is passed into a circulating fluidized-bed reactor, wherein the feed is converted at a high temperatue under the influence of parti... | 04/04/2000 |
| 5958222 | Standpipe distributor for short time contact of hydrocarbon compounds with particles An arrangement for the controlled production of an essentially linear array of hydrocarbon feed injection jets reduces required clearances and elevation while facilitating modification of the contacting locating a feed distributor containing a linear arra... | 09/28/1999 |
| 5948241 | Orifice plate feed nozzle and atomization process A nozzle, and hydrocarbon conversion process using the nozzle for atomizing heavy feed to conversion zone, are disclosed. A liquid feed stream is atomized by radial out-to-in impingement of atomizing vapor, discharged onto an imperforate central region of... | 09/07/1999 |
| 5944982 | Method for high severity cracking A process for the dual riser contacting of a primary feed and a secondary recycle feed fraction uses independent recovery of the separate streams from the riser cracking zone to improve the product yields and properties. Separate recovery segregates the u... | 08/31/1999 |
| 5868923 | Hydroconversion process An improved ebullated bed hydroconversion process is disclosed that utilizes a bimodal heterogeneous catalyst and a metal containing oil-miscible-catalysts compound to achieve a reduction in sediment, an increase in conversion, a reduction in the energy u... | 02/09/1999 |
| 5733440 | Catalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed This invention makes possible substantially continuous flow of uniformly distributed hydrogen and hydrocarbon liquid across a densely packed catalyst bed to fill substantially the entire volume of a reactor vessel by introducing the fluids as alternate an... | 03/31/1998 |
| 5723041 | Process and apparatus for promoting annularly uniform flow An apparatus is described for promoting annularly uniform flow in a reaction space of a mixed phase reactor. The apparatus defines ports which face a shared direction relative to the axis. The apparatus is useful in a process, also described, in which flu... | 03/03/1998 |
| 5660715 | Apparatus and method for quenching in hydroprocessing of a hydrocarbon feed stream This invention makes possible substantially continuous flow of uniformly distributed hydrogen and hydrocarbon liquid across a densely packed catalyst bed which substantially fills the entire volume of a reactor vessel. Catalyst are selected to be essentia... | 08/26/1997 |
| 5599440 | Catalyst method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed This invention makes possible substantially continuous flow of uniformly distributed hydrogen and hydrocarbon liquid across a densely packed catalyst bed to fill substantially the entire volume of a reactor vessel by introducing the fluids as alternate an... | 02/04/1997 |
| 5552119 | Method and apparatus for contacting solid particles and fluid A method and apparatus are described for contacting solid particles and fluid. A liquid is sprayed as liquid droplets from the discharge tip of a nozzle into hot solid particles passing upwardly in a vertical pipe. A venturi is formed in the pipe, and the... | 09/03/1996 |
| 5536392 | Fluid catalytic cracking In fluid catalytic cracking of oils, the feedstock oil is atomized so that its average particle size relative to the average catalyst particle size is such that most oil particles contacting a catalyst particle will form a film having a thickness substant... | 07/16/1996 |
| 5501789 | Process for improved contacting of hydrocarbon feedstock and particulate solids A process wherein a fluidized particulate solid is contacted with a hydrocarbon feedstock in a vertically extending contacting zone, which process comprises introducing a stream of the particulate solid into the contacting zone and introducing a plurality... | 03/26/1996 |
