With Heating Or Cooling Means Patents (Class 422/646)
  • Patent number: 11052373
    Abstract: The present invention relates to processes and apparatus useful for (fast) ionic polymerisation of liquid monomer(s) containing reaction mixture for the production of the corresponding polymer(s).
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: July 6, 2021
    Assignee: INEOS EUROPE AG
    Inventors: Erick Dominique Daire, Jean-Marc Galewski, Anthony Simoens, Arnaud Soulage
  • Patent number: 9352973
    Abstract: Described herein is an apparatus for the synthesis of ammonia from a synthesis gas containing N2 and H2, comprising at least one first reactor. The apparatus comprises a first non-cooled catalyst bed unit, at least one heat exchanger apparatus, and at least two cooled catalyst bed units. Each cooled catalyst bed unit is equipped with a plurality of cooling pipes. The apparatus further comprises a circuit line having at least one feed apparatus and at least one outlet apparatus, wherein the circuit line, starting from the feed apparatus, comprises in consecutive downstream arrangement the plurality of cooling pipes, the first non-cooled catalyst bed unit, the at least one heat exchanger apparatus, and the at least two cooled catalyst bed units up to the outlet apparatus.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: May 31, 2016
    Inventors: Gert Ungar, Jürg Dieter Ungar
  • Publication number: 20150137041
    Abstract: A fixed bed gasification system to convert solid organic matter (also called biomass), into synthesis gas. This gas can be burned in an engine, turbine, oven or boiler, which makes it possible to valorize the thermal energy that it harbors.
    Type: Application
    Filed: December 27, 2012
    Publication date: May 21, 2015
    Inventors: Louis Rousseau, Etienne Lebas, Christian Bedrossian, Bruno Da Silva
  • Publication number: 20150126628
    Abstract: An apparatus and a method for producing chemicals from a methane-containing gas are provided. More specifically, the method and an apparatus make use of heterogeneous catalysis, beginning with the partial oxidation of methane to produce synthesis gas followed by a reaction, such as a Fischer-Tropsch reaction, to produce the chemicals.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 7, 2015
  • Patent number: 9023297
    Abstract: A plant for preparing monosilane (SiH4) by catalytic disproportionation of trichlorosilane (SiHCl3) includes a reaction column having a feed line for trichlorosilane and a discharge line for silicon tetrachloride (SiCl4) formed, and at least one condenser via which monosilane produced can be discharged from the reaction column, wherein the reaction column has at least two reactive/distillative reaction regions operated at different temperatures and containing different catalytically active solids, at least one of the reaction regions containing a catalytically active solid based on vinylpyridine, and at least one of the reaction regions containing a catalytically active solid based on styrene.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: May 5, 2015
    Assignee: Schmid Silicon Technology GmbH
    Inventors: Adolf Petrik, Christian Schmid, Jochem Hahn
  • Publication number: 20150051367
    Abstract: Disclosed are processes and systems for manufacturing polyethylene terephthalate (PET) and pre-polymer. The processes and systems use a variable pressure drop up-flow-pre-polymerizer configuration. The pressure profile in the UFPP can be selected to beneficially change the relative reaction rates of the polymerization and esterification reactions. This design maximizes the esterification carried out in the UFPP, while still producing a pre-polymer with the optimum carboxyl end groups concentration (e.g., about 30? equiv./g to 60? equiv./g) to maximize finisher productivity. This can result in a reduction of the size and cost of the esterifier required for a given plant throughput.
    Type: Application
    Filed: June 4, 2012
    Publication date: February 19, 2015
    Inventor: Clive Alexander Hamilton
  • Patent number: 8882863
    Abstract: A fuel reformulation system for an engine comprising an annular body for a flow of fluids therethrough connected to the engine, a source of fuel for flowing through at least a portion of the annular body, and a catalytic member connected to the annular body for the flow of any fluids thereacross from the annular body.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: November 11, 2014
    Assignee: Alliant Techsystems Inc.
    Inventors: Dean Modroukas, Jason S. Tyll, John C. Leylegian, Florin Girlea, Richard Perlman
  • Publication number: 20140163260
    Abstract: Method and a reactor for performing exothermic catalytic reactions. The method comprises the steps of providing a feed gas stream comprising reactants for the exothermic catalytic reaction to a fixed bed catalytic reactor comprising one or more catalyst beds each with catalyst particles filled sections with a catalyst volume; providing a feed gas bypass inside the reactor by arranging within at least one of the catalyst beds a number of bypass passageways without catalytic active particles inside the passageways and having a cooling surface area; passing a part of the feed gas stream through the bypass passageways and reminder of the stream through the catalyst particles filled sections; and removing heat from the feed gas stream being passed through the catalyst filled sections by indirect heat transfer to the part of the feed gas stream being passed through the bypass passageways.
    Type: Application
    Filed: June 15, 2012
    Publication date: June 12, 2014
    Applicant: Haldor Topso A/S
    Inventor: Max Thorhauge
  • Patent number: 8696773
    Abstract: In a reforming apparatus, for use in a fuel cell, for reforming a raw fuel into a hydrogen-rich reformed gas, a reformer generates the reformed gas from the raw fuel. A shift reactor reduces carbon monoxide contained in the reformed gas through a shift reaction. A selective oxidation unit reduces the carbon monoxide contained in the reformed gas that has passed through the shift reactor by performing selective oxidation on the carbon monoxide. A reforming reaction tube houses linearly the reformer, the shift reactor and the selective oxidation unit in this order.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: April 15, 2014
    Assignee: JX Nippon Oil & Energy Corporation
    Inventors: Akira Fuju, Masataka Kadowaki, Kazumi Kobayashi, Kazuaki Nakajima, Yasushi Sato, Ken Samura
  • Publication number: 20140088330
    Abstract: Digestion of cellulosic biomass solids may be conducted in a pressure vessel that contains both a hydrothermal digestion unit and a catalytic reduction reactor unit. Biomass conversion systems incorporating such a feature may comprise: a pressure vessel that comprises a first section comprising a hydrothermal digestion unit and a second section comprising a first catalytic reduction reactor unit that contains a first catalyst capable of activating molecular hydrogen; wherein the hydrothermal digestion unit and the first catalytic reduction reactor unit are in fluid communication with one another; a biomass feed mechanism that is operatively connected to the pressure vessel, the biomass feed mechanism being capable of introducing cellulosic biomass solids to the pressure vessel and also capable of withdrawing a reaction product from the first catalytic reduction reactor unit; and a hydrogen feed line that is operatively connected to the first catalytic reduction reactor unit.
    Type: Application
    Filed: September 25, 2013
    Publication date: March 27, 2014
    Applicant: SHELL OIL COMPANY
    Inventors: Joseph Broun POWELL, Glenn Charles KOMPLIN
  • Patent number: 8673230
    Abstract: System for supporting a plate heat exchanger (10, 100, 200) inside an isothermal chemical reactor (1), comprising a circumferential ring structure (40) fixed at least to top radial sides (19s) of the plates (11), said structure being formed as a single or double ring.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: March 18, 2014
    Assignee: Methanol Casale SA
    Inventors: Enrico Rizzi, Ermanno Filippi, Mirco Tarozzo
  • Patent number: 8609913
    Abstract: An axial flow staged zone oligomerization reaction process includes the steps of passing a hydrocarbon feedstock into the lower portion of the axial flow staged zone reactor which includes axial circulation of the hydrocarbon reaction fluid serially in each of the reaction zones, passing catalyst through a constriction zone located between successive upper and lower catalytic reaction zones which includes heat exchanging of the fluids being the constriction zone within the reactor and further includes withdrawing the oligomerized product from the top of the reactor.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: December 17, 2013
    Assignee: IFP Energies Nouvelles
    Inventors: Sylvain Louret, Patrice Font, Sylvie Lacombe, Eric Sanchez, Laurent Simon
  • Patent number: 8568669
    Abstract: This invention relates to a device for cooling and distributing mixed charges on fixed catalyst beds for use in the cooling zone of descending flow reactors which comprises a flat tray fitted with collector and distributor tubes for liquid superimposed upon and connected to another flat tray of similar design to the upper tray. The device, which is of smaller size in comparison with other commercially available devices, is extremely simple to install industrially and compact, and has as its main characteristic the efficiency with which it promotes reduction of the temperature of the reaction medium when it receives the cooling fluid within the catalytic reactor.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: October 29, 2013
    Assignee: Petroleo Brasileiro S.A.—Petrobras
    Inventors: Wilson Kenzo Huziwara, Donizeti Aurelio Silva Belato, Jorge Roberto Duncan Lima, Rogério Michelan, William Victor Carlos Candido, Angelo Jose Gugelmin, Paulo Sérgio Freire, Nelson Patrício, Jr.
  • Patent number: 8535614
    Abstract: The present invention provides a reactor and a method for the production of high purity silicon granules. The reactor includes a reactor chamber; and the reaction chamber is equipped with a solid feeding port, auxiliary gas inlet, raw material gas inlet, and exhaust gas export. The reaction chamber is also equipped with an internal gas distributor; a heating unit; an external exhaust gas processing unit connected between a preheating unit and a gas inlet. The reaction chamber is further equipped with a surface finishing unit, a heating unit and a dynamics generating unit. The reaction is through decomposition of silicon containing gas in densely stacked high purity granular silicon layer reaction bed in relative motion, and to use remaining hear of exhaust gas for reheating. The present invention is to achieve a large scale, efficient, energy saving, continuous, low cost production of high purity silicon granules.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: September 17, 2013
    Assignee: Sunnyside Technologies, Inc.
    Inventor: Xi Chu
  • Publication number: 20130228494
    Abstract: A hydroprocessing method and system involves introducing heavy oil and well-dispersed metal sulfide catalyst particles, or a catalyst precursor capable of forming the well-dispersed metal sulfide catalyst particles in situ within the heavy oil, into a hydroprocessing reactor. The well-dispersed or in situ metal sulfide catalyst particles are formed by 1) premixing a catalyst precursor with a hydrocarbon diluent to form a precursor mixture, 2) mixing the precursor mixture with heavy oil to form a conditioned feedstock, and 3) heating the conditioned feedstock to decompose the catalyst precursor and cause or allow metal from the precursor to react with sulfur in the heavy oil to form the well-dispersed or in situ metal sulfide catalyst particles. The well-dispersed or in situ metal sulfide catalyst particles catalyze beneficial upgrading reactions between the heavy oil and hydrogen and eliminates or reduces formation of coke precursors and sediment.
    Type: Application
    Filed: April 19, 2013
    Publication date: September 5, 2013
    Inventors: Roger K. Lott, Lap Keung Lee
  • Patent number: 8518366
    Abstract: The present invention relates to a process and a device for the combustion of sulphur and/or sulphur-containing compounds, via which a sufficient production of SO2-containing gases having a high SO2 concentration is made possible. The combustion preferably proceeds using a combustion gas which has an oxygen fraction at least as high as air, but preferably a higher fraction of oxygen. The process and the device should be suitable, in particular, for providing sulphur dioxide as a source for further production of sulphuric acid or highly concentrated SO3-containing gases. In addition, the device and the process should be suitable for oxidizing hydrogen-sulphide-containing gases, such as occur, for example, in the refinery industry, in high concentrations to SO2.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: August 27, 2013
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Dieter Förtsch, Martin Kürten
  • Patent number: 8465710
    Abstract: There is provided a radial flow reactor having a multi-pass structure in which loading and unloading of granular packing are easy and which does not impair the reaction performance. The reactor includes, in an upright tubular reactor vessel: a packing region for housing a continuous packed bed of granular packing; and an outer and an inner passages disposed outside and inside the packing region, respectively, allowing a fluid to flow in the axial direction. The reactor is configured so that the fluid can pass between the packing region and the outer passage and between the packing region and the inner passage.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: June 18, 2013
    Assignee: Toyo Engineering Corporation
    Inventor: Kenji Sakai
  • Patent number: 8460473
    Abstract: The present invention provides an apparatus and a method for conversion of cellulosic material, such as chopped straw and corn stover, and household waste, to ethanol and other products. The cellulosic material is subjected to continuous hydrothermal pre-treatment without addition of chemicals, and a liquid and a fiber fraction are produced. The fiber fraction is subjected to enzymatic liquefaction and saccharification. The method of the present invention comprises: performing the hydrothermal pre-treatment by subjecting the cellulosic material to at least one soaking operation, and conveying the cellulosic material through at least one pressurized reactor, and subjecting the cellulosic material to at least one pressing operation, creating a fiber fraction and a liquid fraction; selecting the temperature and residence time for the hydrothermal pretreatment, so that the fibrous structure of the feedstock is maintained and at least 80% of the lignin is maintained in the fiber fraction.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: June 11, 2013
    Assignee: Inbicon A/S
    Inventors: Borge Holm Christensen, Lena Holm Gerlach
  • Patent number: 8444940
    Abstract: A reactor is described for the production of C2 to C8 olefins from gaseous oxygenate and H2O and one or more material flows containing C2 C4, C5, C6, C7, C8 olefin and paraffin at 400° to 470° C., wherein several reaction stages which the material flow can pass through from the top to the bottom, each consisting of a support base with a catalyst layer situated on it, are arranged in a closed, upright container.
    Type: Grant
    Filed: April 21, 2007
    Date of Patent: May 21, 2013
    Assignee: Lurgi GmbH
    Inventors: Hermann Bach, Lothar Brehm, Jurgen Bohle, Gunter Quass, Gunther Heinz, Katja Bartels, Heinrich Dörr, Harald Kömpel
  • Patent number: 8377156
    Abstract: The present subject matter is directed to a method for operating a fuel reformer. The method may generally include directing a fluid stream around a reactor assembly of the fuel reformer to cool the reactor assembly, and mixing a heated reformate stream produced by the reactor assembly with the fluid stream to cool the heated reformate stream.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: February 19, 2013
    Assignee: General Electric Company
    Inventors: Jonathan Dwight Berry, Hasan Karim, Abdul Rafey Khan
  • Patent number: 8361405
    Abstract: A reactor vessel for subjecting a first gas and a second gas to a chemical reaction to produce a third gas is provided. The reactor vessel includes a catalyst bed, an inlet for receiving the first gas and the second gas, and a first outlet for discharging the third gas. The first outlet includes a selective microporous conduit to separate the third gas from products of incomplete reaction or unreacted first gas and unreacted second gas. A second outlet for discharging one or more of the following: unseparated third gas is also included in this invention. The products of incomplete reaction, unreacted first gas, or unreacted second gas are removed from the system. At least one helical tube is disposed within the reactor vessel and in direct contact with the catalyst bed. The helical tube has an inlet end communicating with a hot gas source, and an outlet end exhausting cooled gas. Indirect heat exchange between the helical tube and the first and second gas, promoted by the catalyst, generates the third gas.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: January 29, 2013
    Assignee: Air Liquide Process & Construction, Inc.
    Inventor: Albertus J. Ekelmans
  • Patent number: 8357342
    Abstract: A multiphase multifunctional reactor, system and method is described which has the capacity to effect extractive oxidation of sulfur and nitrogen compounds and unstable unsaturated compounds that are present in raw hydrocarbon streams, in such a way that the reaction conditions are adjusted and avoid losses of yield of the treated hydrocarbon in the stages of the extraction and/or absorption. The objective is achieved by means of the conception of a reactor which comprises a column divided into five sections which can be classified as two reaction sections (1, 2) two decantation sections (3, 4) and an inert gas section (5) under pressure.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: January 22, 2013
    Assignee: Petroleo Brasileiro S.A.-Petrobras
    Inventors: Wladmir Ferraz de Souza, Adriana Moret Borges, Jose Antonio Vidal Vieira
  • Patent number: 8318100
    Abstract: Reactor vessels with pressure and heat transfer features for producing hydrogen-based fuels and structural elements, and associated systems and methods. A representative reactor system in accordance with a particular embodiment includes a first reaction zone and a heat path positioned to direct heat into the first reaction zone, a reactant source coupled to the first reaction zone, and a first actuator coupled to cyclically pressurize the first reaction zone. The system can further include a second reaction zone in fluid communication with the first, a valve coupled between the first and second reaction zones to control a flow rate therebetween, and a second actuator coupled in fluid communication with the second reaction zone to cyclically pressurize the second reaction zone.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: November 27, 2012
    Assignee: McAlister Technologies, LLC
    Inventor: Roy Edward McAlister
  • Patent number: 8298497
    Abstract: A delivery apparatus for selectively delivering one or more liquid reagents into a reaction or test chamber (2), especially of an assay apparatus, the apparatus comprising: one or more respective storage chambers (5,6) for containing the one or more liquid reagents and arranged generally above the reaction or test chamber (2); and a plunger element (4) arranged and operable for insertion into the mouth of a selected storage chamber so as to displace a selected reagent from therewithin into the reaction or test chamber (2) generally therebelow by gravitational liquid overflow from the mouth of the chamber. The apparatus may conveniently be provided as a discrete delivery unit, with the storage chambers (5,6) prefilled with the selected reagents.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: October 30, 2012
    Assignee: The Secretary of State for Defence
    Inventor: David James Squirrell
  • Patent number: 8273314
    Abstract: The invention concerns an exchanger-reactor (1) comprising: a vessel (2); means for distributing a feed through a fixed bed catalytic zone (10); means (6) for collecting effluent from the catalytic zone (10); means for heating the catalytic zone (10); in which said collection means (6) comprise conduits passing right through the catalytic zone (10), said conduits being distributed in the catalytic zone and interposed between the heating means, and in which the heating means of the catalytic zone are contained in sheaths (8) which are partially immersed in the catalytic zone (10), the sheaths (8) being open at one of their ends and closed at the other, the open end being fixed to an upper tube plate (21) defining the collection chamber (19) which is located above the catalytic zone (10), said heating means comprising at least one combustion zone (13) located close to the catalytic zone, means for supplying said combustion zone (13) with an oxidizing gas mixture (15) and with a gaseous fuel (17), and means
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: September 25, 2012
    Assignee: IFP Energies Nouvelles
    Inventors: Beatrice Fischer, Stephane Bertholin, Fabrice Giroudiere, Jerome Colin
  • Patent number: 8257668
    Abstract: A hydrogen generator according to the invention comprises: a combustion gas passage (5) configured to flow combustion gas coming from a combustor; a preheat-evaporator (6) which is supplied with a material gas and water and configured to evaporate the water and heat the material gas by heat transmitted from the combustion gas passage and a carbon monoxide reducer (10) through partition a wall; a reformer (7) configured to generate reformed gas from the material gas and steam fed from the preheat-evaporator by using a reforming catalyst (8) and heat transmitted from the combustion gas passage through the partition wall; the carbon monoxide reducer (10) configured to remove carbon monoxide from the reformed gas fed from the reformer by a carbon monoxide removing catalyst (9); a cylindrical body (3) closed at both ends thereof having an internal space is divided by the partition walls (1), (2), (30), (47) to form the combustion gas passage, preheat-evaporator, reformer and carbon monoxide reducer within the cyli
    Type: Grant
    Filed: September 3, 2007
    Date of Patent: September 4, 2012
    Assignee: Panasonic Corporation
    Inventors: Yuji Mukai, Akira Maenishi, Kunihiro Ukai, Toru Nakamura
  • Patent number: 8252251
    Abstract: The present subject matter discloses a fluid cooled reformer for gas turbine systems and a method for cooling both a fuel reformer and a heated reformate stream produced by such fuel reformer. The fluid cooled reformer may include a pressure vessel and a reactor assembly disposed within the pressure vessel. The reactor assembly may include a reactor and may be configured to receive and reform an oxygen/fuel mixture to produce a heated reformate stream. Additionally, the fluid cooled reformer may include an inlet configured to direct a fluid stream into the pressure vessel. At least a portion of the fluid stream may be used to cool the reactor assembly. A reformate cooling section may be disposed downstream of the reactor of the reactor assembly and may be configured to cool the heated reformate stream.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: August 28, 2012
    Assignee: General Electric Company
    Inventors: Jonathan Dwight Berry, Hasan Karim, Abdul Rafey Khan
  • Patent number: 8221692
    Abstract: Embodiments are disclosed that relate to increasing radiative heat transfer in a steam reformer from an exterior shell which includes a diffusion burner to an interior reactor via angled fins coupled to the exterior shell. For example, one disclosed embodiment provides a steam reformer, comprising an exterior shell which includes a diffusion burner and angled fins, the angled fins extending away from an inner surface of the exterior shell and downward toward the diffusion burner. The steam reformer further comprises an interior reactor positioned at least partly within the exterior shell.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: July 17, 2012
    Assignee: ClearEdge Power, Inc.
    Inventors: Bob Sorensen, Craig E. Evans, Brian Sonnichsen
  • Patent number: 8202499
    Abstract: A small cylindrical reformer having at least a combustion reaction unit and a fuel-converting catalytic reaction unit wherein the combustion reaction unit and the fuel-converting catalytic reaction unit are structured as six cylindrical pipes to realize optimal heat exchange efficiently, a route supplying a water gas shift reformate to a preferential oxidation reactor and a route supplying feed and water into reforming reaction parts from the feed/water inlet overlap each other at a lower portion of the reformer so as to increase heat transfer efficiency, and a preferential oxidation reactor provided outside the fuel-converting catalytic reaction unit to decrease the concentration of carbon monoxide in the water gas shift reformate to a predetermined level or lower and increase heat transfer efficiency with an air/fuel preheating passage communicating with the air/fuel inlet.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: June 19, 2012
    Assignee: SK Energy Co., Ltd.
    Inventors: Tae Woo Woo, Young Seek Yoon, Seong Ho Lee, Il Su Kim, Keun Seob Choi
  • Publication number: 20120141345
    Abstract: The invention includes an apparatus and process for the catalytic production of HCN from a feed gas of ammonia and a hydrocarbon gas by means of heat tubes supplying heat to the feed gas stream and heat tubes for removal of heat from the products. The invention further includes a process for N2O abatement comprising transferring heat from an exothermic N2O degradation reaction through a heat pipe.
    Type: Application
    Filed: May 14, 2008
    Publication date: June 7, 2012
    Inventor: Colin S. Slaten
  • Patent number: 8168131
    Abstract: A syngas reforming reactor has a shell-and-tube configuration wherein the shell-side fluid flow path through the tube bundle has a longitudinal configuration. The reactor can include a shell-side inlet fluid distributor plate below the lower end of the tube bundle.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: May 1, 2012
    Assignee: Kellog Brown & Root LLC
    Inventors: Robert Stevens Burlingame, Lloyd Edward Cizmar, Larry Gene Hackemesser, Laura Beth Aguilar
  • Patent number: 8133458
    Abstract: A reactor for converting methane, ammonia and oxygen and alkaline or alkaline earth hydroxides into alkaline or alkaline earth cyanides by two-stage reactions comprising a first stage with a gas inlet, wherein the first stage is formed by a cone with distribution plates providing an even gas distribution over the catalyst material wherein the distribution plates are located between the gas inlet of the reactor and catalyst material and the distribution plates being perforated with a number of holes, with the distribution plates spaced from each other in the flow direction of the gas, the first distribution plate(s) functioning mainly to distribute the gas, whereas the last distribution plate works as a heat radiation shield and as a distribution plate facing the catalyst material, and wherein the catalyst material is present in the form of catalyst gauze fixed by catalyst weights.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: March 13, 2012
    Assignee: EICPROC AS
    Inventor: Erik Fareid
  • Patent number: 8114353
    Abstract: Methods and systems for preparing catalyst, such as chromium catalysts, are provided. The valence of at least a portion of the catalyst sent to an activator is changed from Cr(III) to Cr(VI). The catalyst is prepared or activated continuously using a fluidization bed catalyst activator.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: February 14, 2012
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Elizabeth A. Benham, Max P. McDaniel, Ted H. Cymbaluk, Charles K. Newsome, Charles R. Nease, H. Kenneth Staffin, Thomas R. Parr
  • Patent number: 8110161
    Abstract: The invention relates to a process for the production of alkylated aromatic compounds comprising introducing olefin and aromatic compounds into at least first and second vertically spaced catalytic reaction zones in an alkylation unit under alkylation reaction conditions to provide an alkylated product, wherein the second catalytic reaction zone is positioned above the first catalytic reaction zone; wherein aromatic compound from each of the at least first and second catalytic reaction zones are contacted with a cooling means for re-condensing at least a portion of the aromatic compounds vaporized from the exothermic heat of reaction of the alkylation process; and wherein the olefin is introduced into the at least first and second catalytic reaction zones via respective first and second olefin feed streams at respective olefin feed rates such as to maintain olefin partial pressures at inlets to at least first and second catalytic reaction zones which vary by less than about ten percent.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: February 7, 2012
    Assignee: Lummus Technology Inc.
    Inventor: Kevin John Schwint
  • Patent number: 8110149
    Abstract: The present invention relates to a method for the continuous production of high-molecular polyesters by esterification of dicarboxylic acids and/or transesterification of dicarboxylic acid esters with diols and/or mixtures thereof in the presence of catalysts with formation of a prepolymer in a tower reactor and polycondensation thereof to form a high-molecular polyester in a polycondensation reactor, a prepolymer with >40 to 70 repeat units (DP) being produced in the tower reactor and this prepolymer being polycondensed in only one further reactor to form a polyester with >150 to 205 DP.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: February 7, 2012
    Assignee: Uhde Inventa-Fischer GmbH
    Inventor: Eike Schulz Van Endert
  • Patent number: 8097226
    Abstract: A catalytic reaction device for fluid-solid heterogeneous catalytic reactions including a distributor, flow controllers, parallel reactors, temperature controllers, coolers and product receivers with reactive fluids flowing into the flow controllers to control the total flow of a fluid is provided.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: January 17, 2012
    Assignee: Microvast Power Systems Co., Ltd.
    Inventors: Jiangping Yi, Li Huang, Wensheng Li, Xio Ping Zhou
  • Patent number: 8071059
    Abstract: A chemical reactor for catalytic reactions, comprises a substantially cylindrical shell (2) closed at the opposite ends by respective covers (3 and 4), at least one reaction zone (7, 8) in which a respective catalytic bed (9, 10) and a plurality of heat exchangers (25) placed in said at least one reaction zone (7, 8) are supported.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: December 6, 2011
    Assignee: Methanol Casale S.A.
    Inventors: Ermanno Filippi, Enrico Rizzi, Mirco Tarozzo
  • Patent number: 8067194
    Abstract: The invention relates to a method and hydrolysis tank for enzymatic hydrolysis of raw materials containing collagen and proteins to produce the three layers: a top layer containing fat, a mid-layer comprising water soluble constituents and denatured collagen, and a non-soluble bottom layer comprising bones and non-soluble proteins. These layers are separated and the second layer is further separated by cooling for a time period sufficient to form two layers: a bottom layer containing partially or wholly set collagen, and a liquid top layer containing the remaining water soluble proteins which are removed. The other is heated until it becomes liquid. The hydrolysis tank comprises a turnable stirring mechanism, a device for heat exchange and a reversible screw that is arranged in the bottom of the tank. A clearing sump for separation of collagen, includes an inlet for supply of hydrolysate.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: November 29, 2011
    Assignee: Wahl Process Systems AS
    Inventor: Tony Wahl
  • Patent number: 8066954
    Abstract: A plug flow reactor having an inner shell 27 surrounded by outer shell 21 and having at least one annular flow passage 35 therebetween can be used to prepare compositions, including polymers. The plug flow reactor also includes inlet port 36, an outlet port 37 and a plurality of exchanger tubes 26 wherein the exchanger tubes are in fluid communication to the at least one annular flow passage. Polystyrene and high impact polystyrene can be prepared using the reactor.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: November 29, 2011
    Assignee: Fina Technology, Inc.
    Inventors: Thanh T. Nguyen, Jay L. Reimers
  • Publication number: 20110274587
    Abstract: A method of hydroprocessing hydrocarbons is provided using a substantially liquid-phase reactor having first and second catalyst beds with a heat transfer section positioned therebetween. The first and second catalyst beds and the heat transfer section are combined within the same reactor vessel. Each catalyst bed having an inlet temperature and an exit temperature and having a hydroprocessing catalyst therein with a maximum operating temperature range.
    Type: Application
    Filed: July 20, 2011
    Publication date: November 10, 2011
    Applicant: UOP LLC
    Inventors: John Anthony Petri, Peter Kokayeff
  • Patent number: 7998345
    Abstract: A device for processing fluids includes a number of fin layers with a number of plates separating the fin layers so that a fluid flow passage is defined through each fin layer. A first fluid inlet is in communication with a first end portion of the fluid flow passage, a first fluid outlet is in communication with a second end portion of the fluid flow passage, a second fluid inlet is in communication with the second end portion of the fluid flow passage and a second fluid outlet in communication with the first end portion of the fluid flow passage. The fluid flowing through the second inlet is subjected to a shearing action by the fin layers so that mass transfer to the fluid flowing through the first inlet occurs. The device may be used for both liquid-liquid processes, such as extraction, or gas-liquid processes, such as adsorption, absorption or desorption and reactions.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: August 16, 2011
    Assignee: Chart Inc.
    Inventors: Zhijun Jia, Lawrence Andrew Stryker, Douglas Eugene Decker
  • Publication number: 20110081285
    Abstract: A system to control the emissions of a fluid stream in a cyclical fashion utilizing an up-flow cycle and a down-flow cycle. The system may include a first inlet and a first outlet at a first end of the system and a second inlet and a second outlet at a second end of the system, a catalyst zone between the first end and second end, two heat transfer zones, at least one heat transfer zone positioned between the catalyst zone and the first end of the system and between the catalyst zone and the second end of the system, and two heating zones, at least one heating zone positioned between the catalyst zone and each of the at least one heat transfer zones. The symmetrical arrangement permits a bi-directional fluid cycle to recover a portion of the energy supplied to the system during each cycle.
    Type: Application
    Filed: October 6, 2010
    Publication date: April 7, 2011
    Applicant: OnQuest, Inc.
    Inventor: Anu Vij
  • Publication number: 20110054169
    Abstract: A process for high-pressure, liquid phase conversion of urea into melamine is disclosed, where molten urea is fed to a first reaction zone (S1) where the melamine melt is under mechanical agitation, and a heat input (Q1) is provided to maintain the endothermic reaction, and the liquid is then passed to a second reaction zone (S2) kept at a lower temperature and where further agitation is provided. Embodiments of plants adapted to carry out the process are also disclosed, including multiple stirred reactors in cascade and a single reactor with multiple internal compartments defining said first and second reaction zones.
    Type: Application
    Filed: May 14, 2009
    Publication date: March 3, 2011
    Applicant: UREA CASALE S.A.
    Inventor: Giancarlo Sioli
  • Publication number: 20110005970
    Abstract: A process and apparatus are provided for upgrading steam cracker tars from steam crackers. The invention also relates to a steam cracking process and apparatus for reducing yields of tars produced from steam cracking while increasing yields of higher value products by heating steam cracker tar, in the presence of hydrogen donor compounds, e.g., tetralin. The hydrogen donor compounds can be provided in a hydrogen donor-rich hydrocarbon stream, e.g., light cycle oils, or low sulfur vacuum tower bottoms. The treated tar can be separated into gas oil, fuel oil and tar streams.
    Type: Application
    Filed: July 9, 2009
    Publication date: January 13, 2011
    Inventors: John D.Y. Ou, Glenn A. Heeter, Paul F. Keusenkothen, James N. McCoy, Judith Hey