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| Number | Title | Issue Date |
| 8133442 | Method to enhance clarification in a mixing reactor and said mixing reactor The invention relates to a mixing reactor for mixing a liquid and pulverous solid, clarification the solution that is formed and discharging the clarified solution from the mixing reactor, in the lower section of which a fluidized bed is formed. The invention also r... | 03/13/2012 |
| 8119073 | Method and device for particulate scrubbing and conditioning Described is a device for conditioning a comminuted light alloy feedstock to heat and remove impurities from the feedstock. The conditioner device includes a reaction chamber having a substrate feed port for feeding the comminuted light alloy feedstock into the reac... | 02/21/2012 |
| 8071034 | Rotary fluidized bed device and method for using said device The present invention relates to a device with a rotating fluidized bed in one or a succession of cylindrical chambers, in which injectors (12), distributed around the fixed circular wall (2) of said cylindrical chamber(s), inject along this wall, in s... | 12/06/2011 |
| 7879294 | Method and apparatus for fine solids recycle A fine solids recycle apparatus for a fluidized bed reactor comprises an eductor connected to a dipleg extending from a cyclone connected to the reactor, wherein the fine solids particles are removed from the dipleg, mixed with an eductor gas to form an eductor gas-... | 02/01/2011 |
| 7718140 | FCC separator without a reactor This invention is directed to a process for fluid catalytic cracking, including, fluidizing a hydrocarbon stream in a riser, cracking the hydrocarbon stream with catalyst in the riser to produce a cracked stream and spent catalyst, separating the cracked stream and ... | 05/18/2010 |
| 7713491 | Dual riser venting method and system Two or more cyclone systems can be contained in a single vessel. Each cyclone system can be in fluid communication with an inlet stream and a fluid discharge line. First cyclone system can include a vent open to the cyclone containing vessel. Second cyclone system c... | 05/11/2010 |
| 7666364 | FCC closed cyclone with snorkel Thermal cracking in a riser cracking, closed cyclone, fluidized catalytic cracking process is reduced. A snorkel or flow conduit having an inlet just above the catalyst stripper moves stripper vapor into the closed cyclone. The system preferably operates without a s... | 02/23/2010 |
| 7442345 | Reactor apparatus A new reactor apparatus that can be used to carry out chemical reactions in a fluidized catalyst bed at high temperatures with reduced afterburning or other undesirable downstream side reactions. ... | 10/28/2008 |
| 7431894 | Catalyst withdrawal apparatus for regulating catalyst inventory in a fluid catalyst cracking unit A catalyst withdrawal apparatus and method for regulating catalyst inventory in a fluid catalytic cracking catalyst (FCC) unit is provided. In one embodiment, a catalyst withdrawal apparatus for removing catalyst from a FCC unit includes a pressure vessel having a m... | 10/07/2008 |
| 7429363 | Riser termination device The present invention provides an improved separator for use in hydrocarbon cracking process. ... | 09/30/2008 |
| 7419637 | Oxides of manganese processed in continuous flow reactors Methods and systems for regenerating and pretreating oxides of manganese and precipitation of oxides of manganese from manganese salt solutions. Oxides of manganese, a slurry containing oxides of manganese or manganese salt solutions are mixed with heated aqueous ox... | 09/02/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7332133 | Cyclone system for disengaging solid and gaseous particles in FCC systems with reduced coke formation in disengager vessels An improved cyclone system for disengaging solid and gaseous particles in fluid catalytic cracking (FCC) processes with reduced coke formation in disengager vessels, without favoring release of the disengaged catalyst into cyclones in subsequent stages, said system ... | 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 |
| 7316733 | Diffuser for separator vessel A third stage separator vessel includes a diffuser to promote uniform flow among an array of separation cyclones in the vessel. The vessel has an inlet to receive a gas stream containing solid particles, and the diffuser is mounted at the inlet so that at least some... | 01/08/2008 |
| 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 |
| 7297314 | Fluidized bed device A fluidized bed apparatus has a rotary rotor 4 arranged at the bottom center thereof, a disintegrator mechanism 5 arranged above the rotary rotor 4, and a cylindrical draft tube 6 installed above the disintegrator mechanism 5. A fl... | 11/20/2007 |
| 7287477 | Cyclone bypass for a circulating fluidized bed reactor A method of and an apparatus for operating a circulating fluidized bed reactor having a furnace with a discharge port for exhaust gas, and a particle separator having an inlet connected to the exhaust gas discharge port and an outlet duct for the exhaust gas and a r... | 10/30/2007 |
| 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 |
| 7271151 | Polypeptide hormone phosphatonin The present invention relates to a novel human protein called phosphatonin, and isolated polynucleotides encoding this protein. Also provided are vectors, host cells, antibodies, and recombinant methods for producing this human protein. The invention further relates... | 09/18/2007 |
| 7261008 | Air sampler An air sampler having a fan; an air inlet tube; a main body having a cyclonic cup, a stripping column and a demister; and fluidic circuitry for inputting fluids to the main body and the air inlet tube, and for outputting fluids from the main body. Air flow through t... | 08/28/2007 |
| 7262384 | Reaction vessel and method for synthesizing nanoparticles using cyclonic gas flow A reaction vessel and a method for efficiently producing and collecting nanoparticles in the reaction vessel using cyclonic gas flow. Gas is injected through an inlet tangentially positioned relative to the axis of the vessel to cause the gas to form an outer helica... | 08/28/2007 |
| 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 |
| 7223470 | Drawn gel-spun polyethylene yarns Drawn multi-filament polyethylene yarns and articles thereof having unique signatures in dynamic mechanical analysis reflective of unique microstructures, and having superior ballistic resistant properties. ... | 05/29/2007 |
| 7220351 | Method and device for catalytic cracking comprising in parallel at least an upflow reactor and at least a downflow reactor An apparatus and a process for catalytic cracking of a hydrocarbon feed is described, carried out in at least two reaction zones, one (30) operating in catalyst riser mode, wherein the feed and catalyst from regeneration zone (3) are circulated from bo... | 05/22/2007 |
| 7220397 | Modified oxygen reduced valve metal oxides Pressed material such as anodes are described and formed from oxygen reduced oxide powders using additives, such as binders and/or lubricants. Methods to form the pressed material are also described, such as with the use of atomizing, spray drying, fluid bed process... | 05/22/2007 |
| 7214252 | Method and device for pyrolyzing and gasifying organic substances or substance mixtures An apparatus for pyrolysis and gasification of organic substances and mixtures thereof is provided with a pyrolysis reactor (1), a fluidized-bed firing (3) for pyrolysis residue, a reaction zone (2) for the pyrolysis gases (13) and circul... | 05/08/2007 |
| 7208649 | External second stage cyclones in olefin production process The present invention comprises a process and apparatus for producing olefins from oxygenates in a reactor. This process comprises these oxygenates with a catalyst to produce a gaseous mixture comprising light olefins and by-products, sending the mixture to a single... | 04/24/2007 |
| 7189273 | Inducing air A mechanism configured to interact with air, which has been sucked through a device that imparts turbulence to the air, causes a redistribution of components (e.g., oxygen and nitrogen) in the air so that when the air arrives at a location where the oxygen is to be ... | 03/13/2007 |
| 7179427 | Apparatus for countercurrent contacting of gas and solids An apparatus for the countercurrent contacting of a gas and downflowing solid particles includes a housing and a plurality of baffles positioned within the housing. The baffles are arranged in at least first and second vertically spaced levels in successively lower ... | 02/20/2007 |
| 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 |
| 7172685 | Desulfurization system with novel sorbent transfer mechanism A hydrocarbon desulfurization system employing regenerable solid sorbent particulates in a fluidized bed desulfurization reactor. The sulfur-loaded sorbent particulates are continuously withdrawn from the reactor and transferred to a regenerator. A novel solids tran... | 02/06/2007 |
