Including Solid Reactant And Means Charging Solids Into, Or Dischanging Solids From, Reaction Chamber Patents (Class 422/232)
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Patent number: 7105146Abstract: An improved system for slaking of lime which does not rely on the weighing of materials delivered to the vessel where the mixing takes place. A control system is utilized to control the volume of lime and water delivered to insure that a preselected temperature is obtained during the chemical reaction in the vessel. In a batch process the volume of lime and water is controlled based on the temperature sensed to maintain the temperature at the desired level. Once the reaction is complete the resultant slurry is discharged from the vessel for further processing. The vessel is then cleansed and prepared for the next batch.Type: GrantFiled: March 4, 2003Date of Patent: September 12, 2006Assignee: Chemco Systems L.P.Inventor: Mohamad Hassibi
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Patent number: 7067107Abstract: A steam reforming furnace has a plurality of substantially vertical reformer tubes. Each reformer tube has a feed inlet at its lower end, an outlet at its upper end, and a catalyst containment zone disposed intermediate its upper and lower ends and contains a charge of a particulate steam reforming catalyst which is insufficient to fill completely the catalyst containment zone. An upper retainer means is mounted at the upper end of the catalyst containment zone and is permeable to gas or vapor but retains particles of the catalyst in the catalyst containment zone. A follower means is movably mounted in the catalyst containment zone beneath the charge catalyst for movement upwardly from a lower end of the containment zone upon upward flow of gas through the catalyst containment zone at a rate beyond a threshold rate.Type: GrantFiled: June 5, 2002Date of Patent: June 27, 2006Assignee: Davy Process Technology LimitedInventors: Peter Hinton, Roger K. Bence, Michael Hilton, Mark A. Linthwaite
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Patent number: 7063821Abstract: Apparatus for producing molybdenum carbide from a precursor material includes a supply of process gas and a furnace defining at least a first heating zone and a second heating zone. The furnace heats the first heating zone to a first temperature and the second heating zone to a second temperature. The second temperature is at least about 100° C. hotter than the first temperature. A transfer system operatively associated with the furnace and the supply of process gas moves the precursor material through the first and second heating zones and in the presence of the process gas to form molybdenum carbide (MoC and Mo2C).Type: GrantFiled: September 3, 2003Date of Patent: June 20, 2006Assignee: Cyprus Amax Minerals CompanyInventors: Mohamed H. Khan, Joel A. Taube
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Patent number: 7029635Abstract: A system for treating a treatable material containing a noxious component, which comprises a mixer for mixing a treatment agent containing alkali material with the treatable material to form a mixture, at least one first heat treating furnace for producing a low oxygen concentration atmosphere, a first heating device located outside the first furnace to heat it at a first temperature at which the treatable material is decomposed to generate a substance containing the noxious component, at least one separate second heat treating furnace, and a second heating device located outside the second furnace for heating the treatable material residue at a second temperature at which carbonization of the treatable material residue takes place.Type: GrantFiled: March 12, 2002Date of Patent: April 18, 2006Assignee: Kabushiki Kaisha MeidenshaInventors: Yoshiyuki Kashiwagi, Haruhisa Ishigaki, Nobuyuki Yoshioka
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Patent number: 6974562Abstract: Novel devices for synthesizing ferrate and uses thereof are described. One aspect of the invention relates to devices and systems for synthesizing ferrate at a site proximal to the site of use.Type: GrantFiled: September 17, 2002Date of Patent: December 13, 2005Assignee: Ferrate Treatment Technologies, LLCInventors: Lee Edward Ciampi, Gregory F. Smith, Bernie Knoble
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Patent number: 6969496Abstract: An apparatus provides for increased feed throughput without loss of conversion or selectivity by increasing the catalyst volume in a final reactor of at least three reaction zones. The catalyst volume of the final reactor may be larger because the inner and outer screens that define a radial flow bed are extended. A low LHSV is maintained by increasing the catalyst volume in the final reactor.Type: GrantFiled: June 24, 2002Date of Patent: November 29, 2005Assignee: UOP LLCInventors: Michael J. Vetter, Paul R. Cottrell, Joseph E. Zimmermann
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Patent number: 6960325Abstract: A catalytic hydrocracking reactor vessel for the conversion of a hydrogen gas and fossil fuel feedstream to light liquid hydrocarbons. The reactor vessel comprises reactor cup riser with a helical cyclonic separator conduit for separating a liquid and vapor product stream to provide an essentially vapor-free liquid recycle stream, a grid plate bubble cap with a tapered bell cap wall housing having serrated edges for producing small hydrogen bubbles of increased total surface area of bubbles at lower pressure drop, optionally a feedstream inlet pipe sparger containing rows of downward directed slots for even distribution of the feedstream across the cross-sectional area of the reactor and providing free drain of solid particles from the sparger, and optionally a liquid recycle inlet distributor containing vertically curved plates for creating a whirling motion in the liquid recycle stream for better mixing with the feedstream with minimal solids settling.Type: GrantFiled: August 22, 2002Date of Patent: November 1, 2005Assignee: Hydrocarbon TechnologiesInventors: Thomas Kao, Robert Chang
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Patent number: 6949231Abstract: A PCB decomposition reactor includes: an injector for injecting a mixture of water and sodium hydroxide connected to the lower part of the reaction vessel; an outlet pipe for withdrawing treated fluid connected to the sidewall of the reaction vessel and a cyclone for separating sodium carbonate from the treated fluid; a discharge pipe connected to the top of the cyclone to discharge treated fluid from which precipitated sodium carbonate has been removed; a downcomer for the separated fluid connected to the bottom of the cyclone so that precipitated sodium carbonate and fluid containing it are discharged therethrough and to an injector which is connected to a feed pipe for feeding a mixture of PCB and mineral oil; and a gas supply nozzle for injecting a gas into the reaction vessel installed at the bottom of the reaction vessel.Type: GrantFiled: October 10, 2001Date of Patent: September 27, 2005Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Yasuhiro Yamauchi, Kan Ogata, Takashi Moribe, Masakazu Tateishi, Tadatsugu Fukuzumi, Mitsuji Iwao, Nobuyuki Ikeda, Naoki Shindo, Nobuhiro Hokao
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Patent number: 6936226Abstract: The present invention relates to an improved catalyst delivery method for introducing a supported bulky ligand metallocene-type catalyst system to a reactor for polymerizing one or more olefin(s). In particular, the invention provides for a method of introducing a supported metallocene-type catalyst system into a polymerization reactor by and in the presence of a carrier solution of an antistatic agent and a liquid diluent. Also, the invention is directed toward a catalyst feeder for use in a polymerization process.Type: GrantFiled: March 14, 2001Date of Patent: August 30, 2005Assignee: Univation Technologies, LLCInventors: Agapios K. Agapiou, Kathryn A. Russell
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Patent number: 6929783Abstract: Elastomer masterbatch is processed in a continuous compounder having multiple parallel elongate rotors axially oriented in an elongate processing chamber. Optionally, additional materials are compounded into the masterbatch, e.g., additives, other elastomeric compositions, etc. Preferably, the masterbatch then is further processed in an open mill. Excellent control of Mooney Viscosity is achieved. In certain preferred embodiments, elastomer composites are produced by novel continuous flow methods and apparatus in which fluid streams of particulate filler and elastomer latex are fed to the mixing zone of a coagulum reactor to form a coagulated mixture in semi-confined flow continuously from the mixing zone through a coagulum zone to a discharge end of the reactor.Type: GrantFiled: January 18, 2002Date of Patent: August 16, 2005Assignee: Cabot CorporationInventors: Bin Chung, Susan W. Green, Ivan Z. Podobnik, Joseph Cianciolo
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Patent number: 6923940Abstract: A bath tub solids container for containing solids separated from cracked product vapors produced in a riser reactor and issuing from a separator. The bath tub solids container receives and contains solids from the separator, has a collar which fits around the riser reactor to keep the solids from contacting the riser reactor, an aeration device for fluidizing the solids within the container and an outlet for the solids.Type: GrantFiled: July 10, 2003Date of Patent: August 2, 2005Assignee: Stone & Webster Process Technology, Inc.Inventor: Kelly Benham
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Patent number: 6919048Abstract: 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); introducing (2) a reaction fluid to a stage adapted for transverse motion of the fluid across the whole vertical extent of the reaction zone; introducing and extracting the catalyst; a heat exchanger (5a) for reaction fluids located inside the vessel between two successive reaction zones; means (6) for transporting reaction fluids from one stage to another preferably connected to the exchanger of the stage under consideration and to the inlet for reaction fluids of the subsequent stage; and means for recovering reaction fluids downstream of the last stage. The temperature variation in each zone and the temperature level are respectively adjusted by the thickness of each zone and by heat exchange.Type: GrantFiled: February 28, 2002Date of Patent: July 19, 2005Assignee: Institut Francais du PetroleInventors: Frédéric Hoffmann, Eric Lenglet, Philippe Mege
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Patent number: 6905660Abstract: There is provided a method for loading solid particles into a multi-tube reactor having an upper tube-sheet holding together the upper ends of the multitude of reactor tubes, the method comprising positioning a loading device having a plurality of holes on top of the upper tube-sheet such that the loading device rests on and substantially covers the upper tube-sheet and the holes correspond to the reactor tubes, the loading device comprising a plurality of adjacent polygonal plates, each polygonal plate having from 1 to 30 holes, each hole corresponding to one reactor tube; pouring the particles over the combined polygonal plates covering the tube-sheet; sweeping the particles through the holes in the plates into the respective reactor tubes; removing residual particles and any dust remaining on and between the plates; and removing the loading device.Type: GrantFiled: March 29, 2002Date of Patent: June 14, 2005Assignee: Cat Tech, Inc.Inventors: Jamie Stewart Harper, Karl Barry Thew
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Patent number: 6814945Abstract: A catalyst dumping device (10) for unloading a catalyst (50) inside a reactor (1), in which smashed used catalyst is thrown into a dumping pipe (11) formed of a plurality of pipe member (12) provided to the reactor (1) to unload to outside of the reactor (1) by fall by dead weight. Accordingly, the catalyst can be unloaded only by throwing the catalyst into the dumping pipe (11), thereby improving work efficiency. Furthermore, no special apparatus such as a vacuum apparatus is unnecessary, thereby reducing cost for the special apparatus.Type: GrantFiled: February 7, 2001Date of Patent: November 9, 2004Assignee: Softard Industries Co., Ltd.Inventors: Katsuhiko Kawakami, Nobuyoshi Sawamura, Shinichi Nagata
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Patent number: 6814878Abstract: A batch process for carrying out a hydrogenation reaction comprises mixing a pyrophoric catalyst with reactants and solvents to form a reaction mixture in a reaction vessel. Hydrogen is added to the reaction vessel. After hydrogenation, the desired hydrogenation product is removed from the reaction vessel and the pyrophoric catalyst-rich material from the reaction vessel is delivered to a pressure filter. Water is added to the pyrophoric catalyst-rich material in the filter and the spent pyrophoric material is removed from the pressure filter in a water wet form.Type: GrantFiled: June 2, 2003Date of Patent: November 9, 2004Assignee: Pfizer Science and Technology Ireland LimitedInventor: William Tully
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Publication number: 20040191138Abstract: A molten metal reactor (10) quickly entrains a feed material in the molten reactant metal (16) and provides the necessary contact between the molten reactant metal and the feed material to effect the desired chemical reduction of the feed material. The reactor (10) includes a unique feed structure (24) adapted to quickly entrain the feed material into the molten reactant metal (16) and then transfer the molten reactant metal, feed material, and initial reaction products into a treatment chamber (12). A majority of the desired reactions occur in the treatment chamber (12). Reaction products and unspent reactant metal are directed from the treatment chamber (12) to an output chamber (14) where reaction products are removed from the reactor. Unspent reactant metal (16) is then transferred to a heating chamber (15) where it is reheated for recycling through the system.Type: ApplicationFiled: April 2, 2004Publication date: September 30, 2004Inventor: Anthony S. Wagner
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Patent number: 6773668Abstract: A solid detergent dispenser for use with a dishwashing machine includes a chamber and a lid. The chamber is configured and arranged to receive a solid detergent having a particular composition. A water inlet receives water from a water source, and the water flows through a tunnel into the bottom of the chamber. The chamber is flooded with water from the bottom to ensure relatively constant erosion of the solid detergent, which ensures that a relatively constant concentration of the solid detergent is used in the dishwashing machine. A water outlet allows water to flow out of the chamber into the dishwashing machine. The water must flow into the chamber faster than it flows out of the chamber to ensure that the appropriate amount of dissolution of the solid detergent occurs. The only valve used in the preferred embodiment is a valve to control the amount of water flowing into the water inlet.Type: GrantFiled: April 17, 2000Date of Patent: August 10, 2004Assignee: Ecolab, Inc.Inventors: Terrence P. Everson, Lee M. Monsrud, Michael P. Kremer, Edward D. Sowle
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Publication number: 20040129177Abstract: The invention concerns a process and an installation for dehydroxylation treatment of aluminium silicate, in which particles containing aluminium silicate are exposed to a temperature of at least 500° C. The particles are in the form of a dry powder, and the dry powder (26) is optionally transported in a gas stream (30) at a temperature of from 600 to 850° C., for a time which is sufficient to achieve the desired degree of dehydroxylation. The powder may be obtained from a hydrated base paste by reducing the base paste into fragments (23), and by disaggregating the fragments (23) of base paste by mechanical action (at 3) in the presence of a hot gas (24) at a temperature of from 500° C. to 800° C., in order to form the dry powder (26).Type: ApplicationFiled: February 11, 2004Publication date: July 8, 2004Inventor: Gael Cadoret
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Patent number: 6759014Abstract: A parallel reactor system including a reactor and vessels in the reactor for holding reaction mixtures, and a cannula for introducing fluid reaction material into the vessels. A robot system is operable to insert the cannula into cannula passages in the reactor for delivery of reaction materials, including slurries, to respective vessels, and to withdraw the cannula from the cannula passages after delivery. Related methods are also disclosed.Type: GrantFiled: January 26, 2001Date of Patent: July 6, 2004Assignee: Symyx Technologies, Inc.Inventors: G. Cameron Dales, Jonah R. Troth, Kenneth S. Higashihara, Gary Diamond, Vince Murphy, William H. Chandler, Jr., Trevor G. Frank, J. Christopher Freitag
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Patent number: 6749816Abstract: A high-pressure treatment apparatus comprises a first solid reservoir, a second solid reservoir connected to the first solid reservoir through a first connecting pipe, a high-pressure reactor connected to the second solid reservoir through a second connecting pipe, means for feeding reaction medium into the high-pressure reactor, a first sealing unit and a second sealing unit intervened respectively in the first connecting pipe and second connecting pipe, a first fluid feed unit for feeding a first fluid between the first sealing unit and the second sealing unit, a second fluid feed unit for feeding a second fluid between the second sealing unit and the high-pressure reactor, and means for opening the second sealing unit at the time of shut-off of the first sealing unit and controlling the first fluid and the second fluid to form a pressure-gradient so that pressure between the first sealing unit and the second sealing unit and pressure between the second sealing unit and the high-pressure reactor decrease grType: GrantFiled: December 27, 1999Date of Patent: June 15, 2004Assignee: Kabushiki Kaisha ToshibaInventors: Yutaka Hasegawa, Kazuya Yamada, Yoshie Akai, Norihisa Saito, Yoshikazu Matsubayashi, Yasushi Yamaguchi, Hisao Oomura, Yumiko Abe, Atsushi Ohara
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Patent number: 6746497Abstract: A waste is dry-distilled in a gasification furnace and generated combustible gas is combusted in a combustion furnace. A temperature in the combustion furnace is set to be substantially constant at a first preset temperature or more. When the temperature in the combustion furnace is greater than the first preset temperature by combustion of other fuels, the combustible gas is introduced. When the temperature in the combustion furnace reaches a second preset temperature or more by the combustion of only the combustible gas, the combustion of the other fuels is finished. When the temperature in the combustion furnace falls below a third preset temperature the combustion of the other fuels is resumed. When the temperature in the gasification furnace falls below a fourth preset temperature, the combustion of the other fuels is finished.Type: GrantFiled: February 27, 2001Date of Patent: June 8, 2004Assignee: Kinsei Sangyo Co., Ltd.Inventor: Masamoto Kaneko
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Publication number: 20040071618Abstract: A system for substantially continuously providing a solid material, for example pulverized coal, to a pressurized container. The system provides the solid material to a first container of a first pressure elevated above an initial pressure of the solid material. Generally, a screw conveyor augmented with a jet port is used to move the material where the jet port provides a gas to provide a make-up volume of the solid material. The system also provides the material to a second high pressure container after the material has been formed into a slurry. Therefore, the solid material may be substantially continuously provided in a system to a high pressure container.Type: ApplicationFiled: October 15, 2002Publication date: April 15, 2004Inventors: Kenneth Michael Sprouse, David R. Matthews, Albert E. Stewart
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Publication number: 20040047801Abstract: Hydrogen is generated through the use of a fuel solution that is prepared using solid fuel component, e.g., a metal borohydride, and a liquid fuel component, e.g. water. Both of these components are dispensed in response to control signals. The solid fuel component can take different forms, including but not limited to granules, pellets and powder. Various devices, which operate in response to control signals, are disclosed for dispensing predetermined amounts of the solid and liquid components. Advantageously, this solution can be prepared, as needed, so as to obviate the need for storing and disposing of large amounts of highly alkaline fuel and discharged fuel solutions.Type: ApplicationFiled: April 2, 2002Publication date: March 11, 2004Inventors: Phillip J. Petillo, Stephen C. Petillo
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Patent number: 6696027Abstract: A reformation reactor that can be used especially for steam reformation of methanol for generating hydrogen in motor vehicles operated by fuel cells. A gas stream to be reformed is conducted through a reaction chamber into which a charge of a catalyst material is added. A catalyst supply container connected with the reaction chamber is so arranged that the catalyst material is automatically added from the supply container to the reaction chamber.Type: GrantFiled: March 27, 1998Date of Patent: February 24, 2004Assignee: Ballard Power Systems AGInventors: Rainer Autenrieth, Andreas Christen
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Publication number: 20040022703Abstract: Apparatus allowing a powdered reagent to be introduced into a reactor under a controlled atmosphere and allowing its introduction to be regulated as a function of time and traceability to be obtained.Type: ApplicationFiled: June 2, 2003Publication date: February 5, 2004Applicant: Aventis Pharma S.A.Inventor: Michel Borgne
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Patent number: 6673211Abstract: An apparatus for loading fibers in a fiber suspension with calcium carbonate has a housing with an inlet and an accept outlet. A rotatable distribution member is positioned within the housing. A rotor and stator assembly is positioned within the housing radially outside of the distribution member. A toothed ring is interposed between the distribution rotor and the rotor and stator assembly. The toothed ring and the rotor and stator assembly define a gas ring therebetween. A reactant gas supply is fluidly coupled with the gas ring.Type: GrantFiled: July 11, 2001Date of Patent: January 6, 2004Assignee: Voith Paper Patent GmbHInventor: Klaus Doelle
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Patent number: 6648932Abstract: A gasification reactor apparatus (10) comprising a gasification vessel (12), a gas-fired combustion chamber (70) and a combination fan and cyclone unit (20) in an upper part (12′) of the vessel (12) with two functions: first, the fan (62, 64) impels incoming feedstock (14, 14′) centrifugally into contact with the hot inside surface of the vessel to produce rapid onset of gasification. Second, the unit (20) exerts a cyclonic motion on the product gas causing outward separation of particulate matter from the gas, which passes to the outlet via a path through the middle of the vessel (12).Type: GrantFiled: March 15, 2000Date of Patent: November 18, 2003Assignee: Graveson Energy Management Ltd.Inventor: Maurice Edward George Maton
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Publication number: 20030211024Abstract: This invention relates to pollution control requirements for fossil fuel burning facilities, such as power plants, incinerators and cement kilns, and more particularity, to improved methods of generating ammonia from urea. Ammonia is the critical chemical additive used to reduce the emissions of nitrogen oxides from the combustion effluent by both selective non-catalytic reduction and selective catalytic reduction techniques.Type: ApplicationFiled: February 11, 2003Publication date: November 13, 2003Inventor: David Lee Wojichowski
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Publication number: 20030211193Abstract: A device for processing thermoplastic materials has a melting unit for melting an initial thermoplastic material and forming a flow of liquid thermoplastic material, a pyroliser for processing the liquid thermoplastic material by pyrolysis, an element for connecting the melting unit with the pyroliser, an element for withdrawing from the pyroliser products of pyrolysis, and an element for recirculating at least a part of products of pyrolysis back into the pyroliser.Type: ApplicationFiled: May 10, 2002Publication date: November 13, 2003Inventors: Boris Timoshevsky, Mikhailo Tkach, Victor Bozhenar
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Patent number: 6623537Abstract: The raw syngas generated in a partial oxidation gasifier also includes carbon soot which is removed and recovered from the syngas by scrubbing with water. The scrubbing water contains one or more high temperature surfactants which allow greater soot concentrations in the water-scrubbing quench zone of the gasifier. The carbon soot is separated from the scrubbing water with the aid of a scrubbing oil. The separation of the carbon soot from the scrubbing water is enhanced with the aid of one or more surfactants that render the soot particles hydrophobic and oleophilic. The recovered carbon soot is ultimately recycled to the gasifier to recover the energy value of the carbon during the partial oxidation reaction. The overall energy efficiency of the gasification process can be increased by removing all or a significant portion of the water from the soot mixture before recycling the soot.Type: GrantFiled: March 9, 2001Date of Patent: September 23, 2003Assignee: Texaco Inc.Inventor: Frederick C. Jahnke
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Publication number: 20030140558Abstract: The refractory protected, replaceable insert for a gasifier includes a replaceable floor edge insert that is formed with a predetermined mating profile that is complementary to a finished mating profile of the gasifier floor. The geometry of the mating profiles of the replaceable floor edge insert and the gasifier floor permit removable engagement between the floor edge insert and the mating profile of the gasifier floor. The replaceable floor edge insert is protected by a ring-like arrangement of hanging refractory bricks that each include an appendage. Each brick appendage covers a portion of the inner radial edge of the replaceable floor edge insert and also covers an upper surface portion of an underlying quench ring, thus prolonging the life of the floor and the quench ring. A refractory ceramic fiber paper can be provided between the hanging brick and the floor edge and quench ring.Type: ApplicationFiled: January 16, 2003Publication date: July 31, 2003Applicant: Texaco Development Corporation and Texaco, Inc.Inventors: John Corwyn Groen, John D. Winter
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Publication number: 20030127312Abstract: A method and system for extracting hydrocarbon fuel products from contaminated soil provides extraction of usable fuel components from waste materials such as oil contaminated materials and soils. The materials (or hydrocarbon portion thereof) are liquified and introduced to a chamber where the liquid material is agitated and a negative relative pressure (vacuum) is applied. The liquid is maintained at a substantially constant temperature and the vacuum draws the off-gas hydrocarbon products out for condensation and further processing, while unconverted char is removed to an ash dump. An auger feed unit with agitator buckets is used to propel the char through a feed while agitating the liquid to enhance the rate of gas removal.Type: ApplicationFiled: March 19, 2002Publication date: July 10, 2003Inventors: Donald W. Lemmons, Richard William Scheu
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Publication number: 20030127310Abstract: A method and system for extracting hydrocarbon fuel products from waste material provides extraction of usable fuel components from waste plastic materials and waste materials such as oil contaminated materials and soils. The materials (or hydrocarbon portion thereof) are liquified and introduced to a chamber where the liquid material is agitated and a negative relative pressure (vacuum) is applied. The liquid is maintained at a substantially constant temperature and the vacuum draws the off-gas hydrocarbon products out for condensation and further processing, while unconverted char is removed to an ash dump. An auger feed unit with agitator buckets is used to propel the char through a feed while agitating the liquid to enhance the rate of gas removal.Type: ApplicationFiled: January 7, 2002Publication date: July 10, 2003Inventors: Donald W. Lemmons, Richard William Sheu
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Publication number: 20030109768Abstract: A molten metal reactor (10) quickly entrains a feed material in the molten reactant metal (16) and provides the necessary contact between the molten reactant metal and the feed material to effect the desired chemical reduction of the feed material. The reactor (10) includes a unique feed structure (24) adapted to quickly entrain the feed material into the molten reactant metal (16) and then transfer the molten reactant metal, feed material, and initial reaction products into a treatment chamber (12). A majority of the desired reactions occur in the treatment chamber (12). Reaction products and unspent reactant metal are directed from the treatment chamber (12) to an output chamber (14) where reaction products are removed from the reactor. Unspent reactant metal (16) is then transferred to a heating chamber (15) where it is reheated for recycling through the system.Type: ApplicationFiled: December 11, 2001Publication date: June 12, 2003Inventor: Anthony S. Wagner
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Publication number: 20030072691Abstract: A method and apparatus for alkylating an alkylation substrate with an alkylating agent in the presence of solid catalyst particles in a transport reactor is disclosed. Solid catalyst particles in the transport reactor effluent recirculate to the inlet of the transport reactor through one or more conduits. The rate through each conduit is regulated by fluid-controlled valves that use the alkylation substrate as the regulating fluid. This method and apparatus help ensure uniform or symmetric flow of catalyst from the effluent of the transport reactor to the bottom of the transport reactor. This method and apparatus also help ensure uniform or symmetric flow of alkylation substrate to the bottom of the transport reactor with minimal bypassing by the alkylating agent around of the transport reactor. This invention finds use in the production of motor fuels by the alkylation of liquid hydrocarbons in the presence of solid catalyst particles.Type: ApplicationFiled: November 19, 2002Publication date: April 17, 2003Inventors: William H. Radcliffe, Wesley L. Kiel, Christopher D. Gosling, Paul A. Sechrist, Paul Anderson
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Publication number: 20030059354Abstract: A method of manufacturing fine particles of the invention includes introducing a reactive gas flow containing a fine particle source material into a reactor from one side, growing fine particles in a gas phase by heating the fine particle source material in the reactive gas flow, introducing a diluting gas flow into the reactor from another side being almost counter-flow to the reactive gas flow, equalizing flow rates of the reactive gas flow and the diluting gas flow substantially with respect to a cross section of a flow channel, and then stopping growth of the fine particles by merging the reactive gas flow and the diluting gas flow.Type: ApplicationFiled: September 13, 2002Publication date: March 27, 2003Applicant: Kabushiki Kaisha ToshibaInventor: Isao Matsui
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Publication number: 20030044332Abstract: A fluid contactor is taught for mixing and reacting of fluids. Mixing is enhanced by providing a suitable residence time and suitable surface area contact by forming eddy flow within the fluid and thereby the formation of vortexes. Such a contactor does not require the use of mechanical mixers. The contact chamber of the present invention can enhance chemical modification by use of chemical modifiers such as ultraviolet lamps, by allowing the positioning of such modifiers adjacent the vortexes.Type: ApplicationFiled: February 15, 2002Publication date: March 6, 2003Inventors: Wayne E. Conrad, Helmut Gerhard Conrad, Richard Stanley Phillips, Andrew Richard Henry Phillips
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Publication number: 20030012713Abstract: The invention relates to a device for the transfer between a solid matter and a liquid, comprising an outer drum (1) and a perforated inner drum (2), means (4-5) for commonly rotating the drums (1 and 2), and means (18) situated inside the inner drum (2) for moving the solid matter (10). In between the two drums (1 and 2), a number of troughs (21) are formed which, during the rotation of the drums (1 and 2), bring up liquid (8) and pour it out higher up through the inner drum (2). Along the front rim of each trough (21), the drum (2) is provided with a drain opening (23), opposite to which means (24;26) are provided for preventing, when the drain opening (23), during the rotation of the drums (1-2), is at the bottom, the penetration of solid matter (10) through said opening.Type: ApplicationFiled: August 22, 2002Publication date: January 16, 2003Inventors: Jean Baie, Federico Lopez, Etienne Le Clef
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Patent number: 6468489Abstract: The apparatus comprises a NOX reducing unit, a duct to receive a flue gas stream from said NOX and reducing unit, and an activation source associated with the duct. In use, the activation source applies energy to the flue gas stream to facilitate the removal of contaminants from the flue gas stream. Further, the method comprises providing an activation source is downstream of a NOX reducing unit. The activation source is then activated to facilitate the removal of contaminants from the flue gas stream.Type: GrantFiled: February 13, 2001Date of Patent: October 22, 2002Assignee: Electric Power Research Institute, Inc.Inventors: Ramsay Chang, Sharon Sjostrom, Richard Slye
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Patent number: 6436356Abstract: The present invention relates to an apparatus for self-propagating high temperature synthesis of an inorganic compound from a combustible charge mixture of initial ingredients. The apparatus comprises mechanisms for continuously feeding the combustible charge into a reaction chamber and removing the synthesized compound therefrom. The apparatus also contains sensors to control and contain the combustion inside a combustion zone of the reaction chamber.Type: GrantFiled: March 28, 2000Date of Patent: August 20, 2002Assignee: Comsyntech Ltd.Inventor: Yuri Kopyt
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Patent number: 6428757Abstract: The instant invention relates to an apparatus for contacting solids in the form of flowable lumps with liquids and, optionally, gases, particularly for producing aluminum alcoholates by reacting aluminum with an excess of an aliphatic C3 to C10 alcohol, wherein solids charged to a reactor from the top are contacted in a spouted bed with liquid or a mixture of liquids and a rotary grate is provided for holding at least temporarily the aluminum lumps in the form of ingot off-cuts.Type: GrantFiled: May 4, 1999Date of Patent: August 6, 2002Assignee: SASOL Germany GmbHInventor: Gert Albert
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Patent number: 6409977Abstract: A loading device for distributing solid particles into a multi-tube reactor in which the reactor tubes are substantially vertical and held together by an upper and a lower tube sheet, the loading device comprising a plurality of discrete polygonal, i.e. triangular, quadrangular or hexagonal, plates, each polygonal plate having from 1 to 30 holes, each hole corresponding to one reactor tube, each hole having an diameter not greater than 95% of the inner diameter of the reactor tube and not smaller than 1.1 times the greatest dimension of a single particle to be loaded, the polygonal plates also comprising fixing means for holding the holes in correspondence with the respective reactor tubes.Type: GrantFiled: May 11, 1999Date of Patent: June 25, 2002Assignee: Shell Oil CompanyInventors: Jamie Stewart Harper, Karl Barry Thew
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Patent number: 6399032Abstract: The plant for continuously regenerating foundry sand comprises a combustion chamber, in which a combustible gas is added to the sand, and a cooling chamber, in which the sand coming from the combustion chamber is cooled, both chambers being provided with systems for maintain the sand in a fluidized state. The chambers are also in direct communication with one another in the manner of communicating vessels in such a way that, during normal operation in equilibrium, the free surface of the sand may be at the same level in the two chambers.Type: GrantFiled: August 11, 1999Date of Patent: June 4, 2002Assignee: Fata Aluminium Division of Fata Group SPAInventor: Bartolomeo Tosco
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Patent number: 6375903Abstract: The synthesis of arrays of DNA probes sequences, polypeptides, and the like is carried out using a patterning process on an active surface of a substrate. An image is projected onto the active surface of the substrate utilizing an image former that includes a light source that provides light to a micromirror device comprising an array of electronically addressable micromirrors, each of which can be selectively tilted between one of at least two positions. Projection optics receives the light reflected from the micromirrors along an optical axis and precisely images the micromirrors onto the active surface of the substrate, which may be used to activate the surface of the substrate. The first level of bases may then be applied to the substrate, followed by development steps, and subsequent exposure of the substrate utilizing a different pattern of micromirrors, with further repeats until the elements of a two dimensional array on the substrate surface have an appropriate base bound thereto.Type: GrantFiled: February 22, 1999Date of Patent: April 23, 2002Assignee: Wisconsin Alumni Research FoundationInventors: Francesco Cerrina, Michael R. Sussman, Frederick R. Blattner, Sangeet Singh-Gasson, Roland Green
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Patent number: 6372190Abstract: The present invention relates to an apparatus for the safe filling and emptying of a pressurized vessel charged with flammable and/or aggressive gas. The apparatus features an upper flap combination, an intermediate lock vessel having a flushing apparatus, and a lower flap combination. The present invention also relates to a pressurized reactor which is charged with flammable and/or aggressive gas and is equipped with a filling lock apparatus and an emptying lock apparatus for the simultaneous preparation of tetrachlorosilane, trichlorosilane and hydrogen. In addition, the present invention relates to a special process for filling and emptying such a reactor.Type: GrantFiled: June 13, 2000Date of Patent: April 16, 2002Assignee: Degussa AGInventors: Lothar Zehe, Mieczyslaw Kuzma, Hartwig Rauleder
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Patent number: 6358480Abstract: There is provided a plastic waste decomposing apparatus which is capable of quickly and efficiently separating from a liquid phase polymer a vapor component produced from the liquid phase polymer so as to suppress generation of carbon following a decomposition reaction, and further capable of performing the decomposition reaction in the state where the temperature of the whole liquid phase polymer is uniform, so as to efficiently recover the vapor component of a desired molecular weight, so that decomposition of plastic waste can be carried out at a reasonable cost.Type: GrantFiled: July 8, 1999Date of Patent: March 19, 2002Inventor: Takeshi Kuroki
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Publication number: 20020025462Abstract: A metal hydride is supplied into a reactor while being converted into fine particles. By injecting water from an injector, the metal hydride is hydrolyzed to generate hydrogen. The water supplied to the reactor is water generated by a fuel cell. This allows omission or a size reduction of a water tank for the hydrolysis, and therefore allows a size reduction of the system as a whole. It is possible to adopt a construction in which waste heat from the fuel cell is supplied to pyrolyze the metal hydride, a construction in which heat generated by the hydrolysis is used to pyrolyze another metal hydride, etc.Type: ApplicationFiled: June 29, 2001Publication date: February 28, 2002Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Haruyuki Nakanishi, Shinichi Matsumoto
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Patent number: 6346221Abstract: A waste tire processing apparatus (10) reacts waste tires (26) with a molten reactant metal (19) to recover primarily carbon and stainless steel. The apparatus (10) includes a tire positioning arrangement (20) for positioning the waste tires (26) in the molten reactant metal (19) for a reaction period. After the reaction period, the tire positioning arrangement (20) removes from the molten metal non-reacted solids remaining after the reaction. The non-reacted solids comprise primarily stainless-steel included in the waste tires. As the waste tires (26) are reacted in the molten reactant metal (19), a gas recovery arrangement (14) collects process gases released from the molten metal. The gas recovery arrangement (14) recovers primarily carbon, metal salts, hydrogen, and nitrogen.Type: GrantFiled: September 17, 1998Date of Patent: February 12, 2002Assignee: Clean Technologies International CorporationInventor: Anthony S. Wagner
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Publication number: 20020006533Abstract: A hydrogen gas generator for producing hydrogen gas from the controlled reaction of the alkaline metal sodium contained in a supply tube assembly which is introduced in incremental amounts to water within a pressure tank. Hydrogen produced in the pressure tank, and air bubbled through sodium hydroxide produced in the pressure tank are fed to a fuel cell to produce electricity.Type: ApplicationFiled: June 6, 2001Publication date: January 17, 2002Inventor: Thomas W. Bergman
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Publication number: 20010046463Abstract: A loading device for distributing solid particles into a multi-tube reactor in which the reactor tubes are substantially vertical and held together by an upper and a lower tube sheet, the loading device comprising a plurality of discrete polygonal, i.e. triangular, quadrangular or hexagonal, plates, each polygonal plate having from 1 to 30 holes, each hole corresponding to one reactor tube, each hole having an diameter not greater than 95% of the inner diameter of the reactor tube and not smaller than 1.1 times the greatest dimension of a single particle to be loaded, the polygonal plates also comprising fixing means for holding the holes in correspondence with the respective reactor tubes.Type: ApplicationFiled: May 11, 1999Publication date: November 29, 2001Inventors: JAMIE STEWART HARPER, KARL BARRY THEW