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Class 422/141 - Plural reaction beds


Subclass of Class 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
Definition: Apparatus comprising multiple reaction beds.
No. of patents: 146
Last issue date: 03/20/2012


1        
NumberTitleIssue Date
8137631Unit, system and process for catalytic cracking
One exemplary embodiment can be a fluid catalytic cracking unit. The fluid catalytic cracking unit can include a first riser, a second riser, and a disengagement zone. The first riser can be adapted to receive a first feed terminating at a first reaction vessel havi...
03/20/2012
8034298Fluid bed reactors and associated methods
In one embodiment of the present invention a fluid bed reactor is provided, comprising: a housing, at least one tray disposed within the housing, at least one motor operatively connected to the at least one tray, wherein the motor ...
10/11/2011
7993594Multistage reactors for continuous production of carbon nanotubes
The present application provides multistage and multilayer reactors useful for the efficient and continuous production of carbon nanotubes and methods of using the apparatus in the preparation of carbon nanotubes. In one aspect, the multistage reactors include an ar...
08/09/2011
7722825Preparing a light-olefin containing product stream from an oxygenate-containing feed stream using reactors directing a flow of a fluidized dual-function catalyst system
The present invention provides a reactor system for converting an oxygenate-containing feed stream to an olefin-containing product stream. The system includes: (1) a first fluidized catalytic reactor for converting methanol to propylene, the first reactor having a f...
05/25/2010
7438863Multi-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
7414166Minimizing 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
7399450Cyclone 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
7390337Fuel gasification system
The present invention provides a fuel gasification furnace including a gasification chamber (1) for fluidizing a high-temperature fluidizing medium therein to form a gasification chamber fluidized bed having an interface, and for gasifying a fuel in the gasif...
06/24/2008
7364707Packing 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
7364708Multi-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
7338629Integrated metal processing facility
A system and method for forming and heat treating a metal casting are provided. ...
03/04/2008
7331374Method and apparatus for assisting removal of sand moldings from castings
Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractur...
02/19/2008
7290583Methods and apparatus for heat treatment and sand removal for castings
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ...
11/06/2007
7285694Thermobaric molecular fractionation
Systems and methods for converting organic material into commercially viable products, such as burnable low sulfur engine fuels. The system of the present invention includes an anaerobic stripping reactor for processing organic materials into a bio-softened slurry, ...
10/23/2007
7282152Selenium removal method
The present invention provides a method for removing selenium from an aqueous stream by passing the aqueous stream, in combination with a quaternary amine compound, through a filter and recovering a treated aqueous stream which is depleted in selenium content relati...
10/16/2007
7275582Methods and apparatus for heat treatment and sand removal for castings
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ...
10/02/2007
7276295Metal foil with an embossed structure for use in the purification of exhaust gas and a tool and method for its production
The subject matter of the present invention relates to a metal foil with an embossed structure for use in the purification of exhaust gas as well as to a tool and a method for its production. In the direction of the main flow, the metal foil has alternating peaks wi...
10/02/2007
7267697Fuel reforming inlet device, system and process
A fuel reforming system includes an inlet device for a reactor having a housing defining a frustoconical interior region having an inlet opening and an outlet opening. A tube mixer having a helical divider may be optionally employed to transfer fluid into the inlet ...
09/11/2007
7258755Integrated metal processing facility
An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a heat treatment station of th...
08/21/2007
7244868Process for the dehydrogenation of an unsaturated hydrocarbon
A process for the catalytic dehydrogenation of a first unsaturated hydrocarbon to form a second unsaturated hydrocarbon which has one olefinically unsaturated bond more than the first unsaturated hydrocarbon and otherwise an unchanged carbon skeleton, which process ...
07/17/2007
7241425Fluidized 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
7195741Multiple riser reactor
The present invention is directed to a hydrocarbon conversion apparatus. The apparatus comprises the following: a plurality of riser reactors, each of the riser reactors having a first end into which a catalyst can be fed and a second end through which the catalyst ...
03/27/2007
7182918Desulfurization process
A hydrocarbon desulfurization system that circulates fluidizable solid particles through a fluidized bed reactor, a fluidized bed regenerator, and a fluidized bed reducer to thereby provide for substantially continuous desulfurization of a hydrocarbon-containing flu...
02/27/2007
7172685Desulfurization 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
7169293Controllable 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
7153478Downflow catalytic cracking reactor and its application
A downflow catalytic cracking reactor, comprising the following components: catalyst delivery pipe (1), reactor top cover (2), feed nozzle (3), reactor vessel (6), downflow reaction pipe (9), the upper end of the outer body is clos...
12/26/2006
7141219Apparatus for carrying out a physical and/or chemical process, such as heat exchanger
An apparatus for carrying out a physical and/or chemical process, such as a heat exchanger, comprising a fluidized bed, through which a fluid flows, and a separator for separating fluidized bed particles from the medium for recirculation. According to the invention,...
11/28/2006
7128769Methanol steam reforming catalysts, steam reformers, and fuel cell systems incorporating the same
Methanol steam reforming catalysts, and steam reformers and fuel cell systems incorporating the same. In some embodiments, the methanol steam reforming catalyst includes zinc oxide as an active component. In some embodiments, the methanol steam reforming catalyst fu...
10/31/2006
7122160Reactor with multiple risers and consolidated transport
The present invention is directed to a hydrocarbon conversion apparatus. The apparatus comprises the following: a plurality of riser reactors, each of the riser reactors having a first end into which a catalyst can be fed and a second end through which the catalyst ...
10/17/2006
7101516Regenerator
Described is a catalyst regenerator system that includes a regenerator vessel within which is a verticaliy extending partition that divides a fluidized bed zone of the regenerator vessel into a dense phase fluidized bed zone and a fast-fluidized bed zone. Apparatus ...
09/05/2006
7087154Apparatus and process for downflow fluid catalytic cracking
An apparatus for downflow fluid catalytic cracking is described, which comprises a regenerated catalyst riser carrying regenerated catalyst and a carrying fluid, those being directed through a crossover section to a distributor that will centrifuge gas and separate ...
08/08/2006
7087097Facility for the gasification of carbon-containing feed materials
A pressure-supercharged fluidized-bed gasification chamber has a pressure-tight lock for supplying the feed materials which are to be gasified. The fluidized-bed gasification chamber is connected to a filter chamber via a connecting channel, with the result that the...
08/08/2006
7077998Catalytic cracking reaction-regeneration system
A catalytic cracking reaction-regeneration system, comprising a regenerator, a settler, a gas-solid separator, a buffer, a riser reactor, a horizontal reaction tube, a catalyst delivery pipe, and a down-flow reactor. This system can be used for experiments and resea...
07/18/2006
7029571Multi stage selective catalytic cracking process and a system for producing high yield of middle distillate products from heavy hydrocarbon feedstocks
According to this invention, there is provided a process and apparatus for catalytic cracking of various petroleum based heavy feed stocks in the presence of solid zeolite catalyst and high pore size acidic components for selective bottom cracking and mixtures there...
04/18/2006
7011740Catalyst recovery from light olefin FCC effluent
A method and system for recovering fines from a light FCC-type effluent gas. Cracked gases from the reactor are cooled by direct contact with circulating oil in an oil quench tower. The circulating oil also washes out the catalyst fines carried with the reactor effl...
03/14/2006
7008595Resid 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...
03/07/2006
6962676Method and apparatus in a fluidized bed heat exchanger
A method and an apparatus in a fluidized bed heat exchanger including a heat exchange chamber having a fluidized bed of solid particles, heat transfer surfaces, an inlet, and an outlet. Particles are fed through the inlet onto the upper surface of the bed of solid p...
11/08/2005
6949224Fuel gasification system
The present invention provides a fuel gasification furnace including a gasification chamber (1) for fluidizing a high-temperature fluidizing medium therein to form a gasification chamber fluidized bed having an interface, and for gasifying a fuel in the gasif...
09/27/2005
6946105Process and apparatus for the recovery of metal oxide particles
A process for the recovery of metal oxides from a solution containing metallic salts by spray roasting of these solutions. The process is particularly suitable for spray roasting spent pickling acids. The process feeds the solution to a reactor for spray roasting of...
09/20/2005
6919048Thin multi-stage catalytic reactor with internal heat exchanger, and use thereof
An elongate reaction vessel and process includes at least two stages in the vertical direction in which an endothermic or exothermic catalytic reaction is carried out and comprises: a catalytic reaction zone (12a, 12b) per stage (6, 7
07/19/2005
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