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| Number | Title | Issue Date |
| 8048380 | Process and plant for producing metal oxide from metal compounds A plant for producing metal oxide from metal compounds includes a fluidized-bed reactor in which the metal compounds are heated by a combustion of a fuel to produce metal oxide. The fluidized-bed-reactor reactor includes at least one gas supply tube at least partly ... | 11/01/2011 |
| 8012422 | System and process for injecting catalyst and/or additives into a fluidized catalytic cracking unit A preferred embodiment of a system for loading catalyst and/or additives into a fluidized catalytic cracking unit includes a bin for storing at least one of the catalyst and/or additives, and a loading unit in fluid communication with the storage bin and the fluidiz... | 09/06/2011 |
| 7875249 | Reactor-integrated syphon In order to improve sealing properties between a downcomer and a high-speed layer and in order to efficiently take out produced gas obtained through gasification of, for example, a solid reactant, a syphon for sealing between a downcomer and a high-speed layer throu... | 01/25/2011 |
| 7846399 | System and process for injecting catalyst and/or additives into a fluidized catalytic cracking unit A preferred embodiment of a system for loading catalyst and/or additives into a fluidized catalytic cracking unit includes a bin for storing at least one of the catalyst and/or additives, and a loading unit in fluid communication with the storage bin and the fluidiz... | 12/07/2010 |
| 7842250 | Mobile fluid catalytic cracking injection system An apparatus and method for loading catalyst to a fluid catalyst cracking unit are provided. In one embodiment, apparatus for loading catalyst to a fluid catalyst cracking unit includes a vessel disposed in a transportable housing. A plurality of catalyst storage re... | 11/30/2010 |
| 7803326 | Hydrocarbon conversion unit including a reaction zone receiving transferred catalyst One exemplary embodiment can include an apparatus for transferring catalyst from a regeneration zone to a reaction zone in a hydrocarbon conversion unit. The hydrocarbon conversion unit can include a transfer vessel, and first, second, and third lines. The transfer ... | 09/28/2010 |
| 7658889 | Device for redistribution of catalyst in the FCC risers In a catalytic FCC cracking unit comprising a vertically disposed riser housing a reaction zone, the improvement comprising at least one device for redistribution of catalyst inside said reaction zone, the catalytic cracking unit being equipped at a plane with feeds... | 02/09/2010 |
| 7611678 | Multi-zone moving-bed reaction device with an addition of regenerated or fresh catalyst in each zone A reaction device includes staged zones making it possible to implement strongly endothermic or exothermic reactions. The device reduces the differences in catalytic activity between these zones using an addition of fresh or regenerated catalyst at the inlet of each... | 11/03/2009 |
| 7611677 | Multi-zone fixed-bed or moving-bed reactor with an integrated heat exchanger This invention relates to a staged-zone reactor of the axial-flow type that makes it possible to implement strongly endothermic or exothermic reactions. The reactor comprises a constriction of the catalytic bed between an upper zone (3a) and a lower zo... | 11/03/2009 |
| 7601305 | FCC swirl impeding separation apparatus An apparatus and process is disclosed for the separation of solids from gases in a mixture which is most particularly applicable to an FCC apparatus. The mixture of solids and gases are passed through a conduit and exit through a swirl arm that imparts a swirl motio... | 10/13/2009 |
| 7588736 | Apparatus and method for generating a chemical precursor Embodiments of an apparatus for generating a chemical precursor used in a vapor deposition processing system are provide which include a canister having a sidewall, a top, and a bottom forming an interior volume which is in fluid communication with an inlet port and... | 09/15/2009 |
| 7585470 | Apparatus for mixing in fluidized beds Apparatus and process for increasing mixing in a fluidized bed. A slide, which may be in the form of a tube or trough, transports particles from an upper zone downward to a lower zone at a different horizontal position, thereby changing the horizontal position of th... | 09/08/2009 |
| 7560078 | Vacuum powered addition system An addition apparatus, a fluid catalytic cracking (FCC) system having an addition apparatus, and a method for adding material to an FCC unit are provided. In one embodiment, an addition system for an FCC unit includes a container, a first eductor and a sensor. The e... | 07/14/2009 |
| 7547419 | Two phase injector for fluidized bed reactor A fluidized-bed reactor for producing hydrogen from methane by steam reforming includes a flow splitter that splits a dense-phase flow of a gas having entrained calcium oxide particles into a plurality of equal flow streams. The reactor also incorporates an orifice ... | 06/16/2009 |
| 7470406 | Method and apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system A method and apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system are provided. In one embodiment, apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system includes a low pressure storage vessel coupl... | 12/30/2008 |
| 7438863 | Multi-catalyst injection system The invention is a multi-catalyst injection system. In one embodiment, the system comprises a plurality of catalyst storage regions associated with a vessel and a metering device associated with the vessel. The metering device is configured to provide a metric indic... | 10/21/2008 |
| 7429363 | Riser termination device The present invention provides an improved separator for use in hydrocarbon cracking process. ... | 09/30/2008 |
| 7422626 | Method and device for declogging filter A method of declogging at least one filter of a plant for manufacturing uranium oxide from uranium hexafluoride, including separating, from the wall of the filter, uranium oxyfluoride particles deposited, by a stream of inert gas such as nitrogen, injected into the ... | 09/09/2008 |
| 7414166 | Minimizing catalyst backflow in fluidized bed reactors This invention provides feed introduction devices, and processes for using same, which minimize catalyst clogging. In particular, the invention is to a feed introduction device having a first end in fluid communication with a feed source, a second end in fluid commu... | 08/19/2008 |
| 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 |
| 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 |
| 7368090 | FCC spent catalyst distributor An distributor arrangement introduces spent FCC catalyst more uniformly across the dense bed of the regenerator to provide more even contact with regeneration gas in order to avoid hot spots and zones of incomplete combustion. The invention forms a fluidized hopper ... | 05/06/2008 |
| 7364347 | Fluidising apparatus A fluidizing apparatus includes a supply duct (1) for supplying liquid under pressure to a lower portion of a vessel (11) containing a fluidizable material. The supply duct (1) extends into the vessel. The outlet end of the apparatus includes on... | 04/29/2008 |
| 7364708 | Multi-catalyst injection system The invention is a multi-catalyst injection system. In one embodiment, the system comprises a vessel suitable for storing fluid cracking catalyst and having a separator defining at least two compartments within the vessel. A plenum is defined in the vessel and is fl... | 04/29/2008 |
| 7350962 | Liquid recycle inlet distributor assembly A catalytic hydrocracking reactor vessel includes enhanced components for the conversion of a hydrogen gas and fossil fuel feedstream to light liquid hydrocarbons. The reactor vessel comprises one or more of a reactor cup riser with a helical cyclonic separator cond... | 04/01/2008 |
| 7344634 | Process and apparatus for contacting hydrocarbons with catalyst A reactor apparatus and process for contacting hydrocarbons with catalyst. The reactor apparatus comprises a plurality of tubular reactors each having a first end into which a catalyst is fed and a second end through which the catalyst and product exit the tubular r... | 03/18/2008 |
| 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 |
| 7332132 | Stripping apparatus and process An apparatus and process for stripping gases from solids comprises a structured packing in a stripping section of a vessel. The structured packing comprises a plurality of corrugated ribbons with each corrugated ribbon having at least two faces angular to each other... | 02/19/2008 |
| 7332134 | Fluid bed oxygenates to olefins reactor apparatus and process of controlling same A reactor apparatus and related method for controlling at least one process variable in a circulating fluid bed oxygenates to olefins reactor system comprising a riser are provided. The process variable is selected from at least one of (i) space velocity, (ii) avera... | 02/19/2008 |
| 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 |
| 7276210 | Stripping apparatus and process A stripping apparatus for desorbing gases from solid particles through which flows counter-currently a stripping fluid is described, which comprises a series of sets of at least two parallel, segmented, baffle plates each, with the segmented baffles being oriented s... | 10/02/2007 |
| 7273015 | Method and apparatus for combustion of residual carbon in fly ash A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into an array of process units for combustion. The fly ash particles are subjected to heat and motive air such that as the fly ash particles pass t... | 09/25/2007 |
| 7270791 | Angular flow distribution bottom head An improved angled annular deflector for a gas-phase polymerization reactor and improved method for delivery of a stream of polymerizable fluid to a gas-phase polymerization reator. The angled annular deflector has an outer surface with a conical shape, an inner sur... | 09/18/2007 |
| 7258841 | Reactor for gasifying granular fuels that form a fixed bed The inventive reactor contains a fixed bed into whose lower area an oxygen-containing gasifying agent is introduced. Said gasifying agent moves upwards in the fixed bed. Product gas containing hydrogen and carbon monoxide is guided out of the reactor over the fixed ... | 08/21/2007 |
| 7250140 | FCC reactor A fluid catalytic reactor vessel having at its upper end a single centrally positioned primary cyclone having a gas-solids inlet fluidly connected to the downstream end of a fluid catalytic riser, which riser is positioned externally from a fluid catalytic reactor v... | 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 |
| 7244400 | Fluidized bed reactor system having an exhaust gas plenum An arrangement for directing exhaust gases from at least one particle separator of a circulating fluidized bed reactor system to a heat recovery section includes a gas plenum located above a reaction chamber, the gas plenum being defined by a ceiling, a bottom, and ... | 07/17/2007 |
| 7241425 | Fluidized bed apparatus for batch-by-batch or continuous process control and method for operating a fluidized bed apparatus A fluidized bed apparatus for batch-by-batch or continuous process control is provided that allows the processes in the fluidization region to be influenced as desired, especially in terms of material movement and dwell time. The fluidized bed apparatus is formed fr... | 07/10/2007 |
| 7237574 | Controlled dispersion multi-phase nozzle and method of making the same A nozzle design and method for designing such a nozzle being adapted for three phase slurry flow from the choke into the flash tank during pressure let-down in autoclave mining operations that uses a selection of the expansion ratio in the choke to select a nozzle d... | 07/03/2007 |
