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| Number | Title | Issue Date |
| 8153075 | Gas hydrate production apparatus The invention provides a gas hydrate production apparatus which can eliminate the need for an agitator in a generator, and at the same time, can make constant the percentage of gas hydration of the product. A shell-and-tube-type generator 2 is provided downst... | 04/10/2012 |
| 8062605 | Cooling system and shell-type reactor with such cooling system A cooling system for use in a shell-type reactor includes vertically extending double tubes with an inner tube and an outer tube closed at its lower end. The system also includes a distributor for supplying a fluid cooling medium into the upper end of the inner tube... | 11/22/2011 |
| 8007734 | Isothermal reactor The present invention concerns an isothermal reactor (1) for carrying out exothermal or endothermal heterogeneous reactions comprising: —a substantially cylindrical outer shell (2) with longitudinal axis (X), —at least one catalytic bed (6) ... | 08/30/2011 |
| 7988927 | Method of varying the temperature of a tube bundle reactor A method of varying the temperature of a tube bundle reactor for catalytic gas phase reactions upon start-up and shut-down, the tube bundle reactor comprising a major reactor portion which includes a bundle of vertically disposed reactor tubes, upper and lower tubes... | 08/02/2011 |
| 7981374 | Method for processing hydrocarbon pyrolysis effluent A method is disclosed for treating the effluent from a hydrocarbon pyrolysis process unit to recover heat and remove tar therefrom. The method comprises passing the gaseous effluent to at least one primary heat exchanger, thereby cooling the gaseous effluent and gen... | 07/19/2011 |
| 7947232 | HF alkylation reactor An improved reactor for an HF alkylation unit of the shell-and-tube heat exchanger type has an axial tube bundle to provide cooling for the reactor and a centrally-located axial sparger system for injecting and dispersing the hydrocarbon reactants into the flow path... | 05/24/2011 |
| 7850928 | Fixed-bed shell-and-tube reactor and its usage The present invention provides: a fixed-bed shell-and-tube reactor, which can stably produce an aimed product for a long period when a solid particulate material such as a catalyst is packed and used for each substance; and its usage. The fixed-bed shell-and-tube re... | 12/14/2010 |
| 7833498 | Pipe assembly reactor comprising a helically shaped cross section Process and apparatus for the continuous preparation of a chemical compound in at least one reactor, where at least one of the reactors is a shell-and-tube reactor which has a shell and at least one internal tube located within the shell, wherein at least one of the... | 11/16/2010 |
| 7815874 | Reactor A reactor including a reactor vessel and heat exchange tubes provided in the reactor vessel. The reactor vessel includes a tubesheet and is configured to receive a reaction fluid. The tubesheet has a first plate member configured to contact the reaction fluid and a ... | 10/19/2010 |
| 7803332 | Reactor temperature control The invention is directed to a reactor system comprising at least one reactor wherein makeup water for said system is preheated by water/steam exiting said reactor. In a preferred embodiment the system comprises plural reactors and the invention provides for each re... | 09/28/2010 |
| 7776287 | Internal exchanger for gas-liquid-solid reactor for fischer-tropsch synthesis This present invention describes a novel type of internal exchanger intended to carry out Fischer-Tropsch synthesis. This exchanger has a modular design and comprises a central tube with partitions allowing at the same time the supply of coolant to the hairpins of t... | 08/17/2010 |
| 7767172 | Shell-type reactor with radial baffles The object of the present utility model is to cope with the problems of large volume of the presently known cellpacking type of reactor and the poor effect of heat transfer, and to provide a shell-type reactor with radial baffle, which transfers heat well and reduce... | 08/03/2010 |
| 7767171 | Shell-type reactor with radial baffles The object of the present utility model is to cope with the problems of large volume of the presently known cellpacking type of reactor and the poor effect of heat transfer, and to provide a shell-type reactor with radial baffle, which transfers heat well and reduce... | 08/03/2010 |
| 7758824 | Internal exchanger for gas-liquid-solid fluidized bed reactor employing a highly exothermic reaction The present invention describes a novel type of internal exchanger for a gas-liquid-solid fluidized bed reactor employing a strongly thermal reaction. Said exchanger is modular in concept and comprises a central tube with separations allowing both supply of cooling ... | 07/20/2010 |
| 7670574 | Methods and apparatus to facilitate cooling syngas in a gasifier A method of cooling syngas in a gasifier is provided. The method includes channeling cooling fluid through at least one tube-bundle that includes at least three tubes coupled together within a radiant syngas cooler and extends through a reaction zone of the gasifier... | 03/02/2010 |
| 7521029 | Shell-and-tube type reactor for carrying out catalytic gaseous phase reactions and a procedure for operating the same The invention relates to a tubular reactor for carrying out catalytic gas-phase reactions, containing a catalyst tube bundle (8) that is traversed by the relevant reaction gas mixture, is filled with a catalyst, extends between two tube sheets (4, 148)... | 04/21/2009 |
| 7468167 | Method for starting up reactor and reactor system A method for quickly starting up a reactor and a reactor system therefor are provided. A shell-and-tube reactor in the system is adapted to circulate a heat medium having a solid point in the range of 50-250° C. to the outside of the reaction tubes and characterize... | 12/23/2008 |
| 7438871 | Catalytic oxidation reactor with enhanced heat exchanging system A heat exchange-type reactor includes a reaction chamber (1) having mounted therein a plurality of contact tubes (5) filled with a catalyst material; at least one shield plate (11) mounted within the reaction chamber to partition an inner space ... | 10/21/2008 |
| 7402288 | Reactor for testing catalyst systems A reactor for testing catalyst systems which has a plurality of catalyst tubes (2) which are arranged parallel to one another in the interior space of the reactor and whose ends are welded into tube plates and also has caps (3) at each end of the react... | 07/22/2008 |
| 7377307 | Vertical heat exchanger A vertical heat exchanger is described, which allows efficient elimination of the gas generated therein and efficient removal of the sludge accumulated therein. The vertical heat exchanger has at least part of one end of a vent pipe formed of an upper tube sheet par... | 05/27/2008 |
| 7367996 | Heat transfer optimization in multi shelled reformers A hydrocarbon fuel processing reactor for generating a hydrogen-enriched reformate from hydrocarbons is disclosed. A plurality of shells are arranged coaxially having a gap defined between each of the successive shells, thereby forming a plurality of coaxial zones. ... | 05/06/2008 |
| 7351384 | Hydroformylation Olefins having at least 6 carbon atoms are bydroformylated in the presence of a homogenous catalyst in a continuous process in which a) a vertical tall cylindrical reactor (1) whose interior space is divided by means of internals (2). into at least two... | 04/01/2008 |
| 7326389 | Method of producing unsaturated aldehyde and/or unsaturated acid Disclosed is a shell-and-tube reactor that may be used in a method for producing unsaturated aldehydes and/or unsaturated acids from olefins by means of fixed-bed catalytic partial oxidation. The reactor includes at least one reaction zone of a first-step reaction z... | 02/05/2008 |
| 7316804 | Flow reactors for chemical conversions with heterogeneous catalysts Improved apparatus for use in process systems which include exothermic chemical conversions of organic compounds to value added products is disclosed, more particularly, flow reactors for exothermic chemical conversions using a fixed heterogeneous catalyst with mean... | 01/08/2008 |
| 7314603 | Heterogeneous catalytic reactor with a modular catalytic cartridge An heterogeneous chemical reactor of the type with a partial opening, incorporating a catalytic cartridge comprising a substantially cylindrical basket (11) suitable for containing a predetermined amount of a predefined catalyst is distinguished by the fact t... | 01/01/2008 |
| 7294317 | Exothermic reaction system A reactor and heat exchanger assembly is provided with the heat exchanger integrally affixed to the reactor exit head and adapted to immediately cool reactor gases from the reactor. ... | 11/13/2007 |
| 7273593 | Reactor having a heat exchange medium circulation A reactor including a bundle of catalyst tubes through which a reaction mixture is passed, and wherein a heat exchange medium is passed through a space surrounding the catalyst tubes and including ring lines at both reactor ends with jacket orifices for feeding in a... | 09/25/2007 |
| 7252693 | Carbon monoxide conversion process and reactor A process and reaction unit for isothermal shift conversion of a carbon monoxide containing feed gas. The process comprises the steps of introducing the feed gas in a reaction unit into reactor tubes with a fixed bed of a shift conversion catalyst in a reaction zone... | 08/07/2007 |
| 7253309 | Method for production of methacrylic acid This invention is related to a shell-and-tube type reactor provided with reaction tubes packed with a catalyst and adapted to circulate a heat medium to the fluid outside the tubes and is characterized by a method introducing a gas into the catalyst beds so as to re... | 08/07/2007 |
| 7220392 | Fuel conversion reactor A fuel conversion reactor includes a shell-and-tube heat exchanger for controlling the temperature of a hot gaseous mixture produced by catalytic or non-catalytic reaction of a fuel with a gaseous fluid, and for controlling the temperature of the gaseous fluid and/o... | 05/22/2007 |
| 7220505 | Autothermal reformer-reforming exchanger arrangement for hydrogen production Low-energy, low-capital hydrogen production is disclosed. A reforming exchanger 14 is placed in parallel with an autothermal reformer (ATR) 10 to which are supplied a preheated steam-hydrocarbon mixture. An air-steam mixture is supplied to the burner/m... | 05/22/2007 |
| 7214721 | Pre-converter for methanol synthesis A reactor system, plant and a process for the production of methanol from synthesis gas is described in which the reactor system comprises: (a) a first reactor adapted to be maintained under methanol synthesis conditions having inlet means for supply of... | 05/08/2007 |
| 7198655 | Method and apparatus for thermally upgrading carbonaceous materials Carbonaceous materials are thermally upgraded in a pressurized steam environment to remove moisture and other byproducts. A variety of water/solid separation devices may be employed in a process vessel to maximize moisture removal from the upgraded charge. Heating m... | 04/03/2007 |
| 7195059 | Heat exchanger and method of performing chemical processes A heat exchanger including a passageway having an internal passage adapted to form a first flow path, and an array of conduits having internal passages that collectively form a second flow path. The conduits extend through the internal passage of the passageway, and... | 03/27/2007 |
| 7186389 | Method for carrying out chemical reactions in pseudo-isothermal conditions Method for carrying out in continuous, under so-called pseudo-isothermal conditions and in a predetermined reaction environment, such as a catalytic bed, a selected chemical reaction, comprising the steps of providing in the reaction environment at least one tubular... | 03/06/2007 |
| 7177063 | Bouncing mode operated scanning micro-mirror A MEMS apparatus for scanning an optical beam comprises a mirror operative to perform a rotational motion to a maximum rotation angle around a mirror rotation axis formed in a double active layer silicon-on-insulator (SOI) substrate. The apparatus may include a boun... | 02/13/2007 |
| 7172737 | Fuel conversion reactor A conversion reactor (10) including an outer shell (12) having first (14) and second (16) ends and an inner surface (16) a primary inner shell (30) extending into the outer shell (12), the primary inner shell (30 | 02/06/2007 |
| 7144557 | Multitube reactor, vapor phase catalytic oxidation method using the multitube reactor, and start up method applied to the multitube reactor A multitube reactor, wherein tubes having smaller tolerance between a nominal size and actual sizes are used as reaction tubes to stably perform a high yield reaction for a long period, a catalyst is filled into the reaction tubes so that the catalyst layer peak tem... | 12/05/2006 |
| 7141223 | Fuel reformer A fuel reformer for reforming hydrocarbon base fuel into hydrogen rich gas, with one embodiment comprised of material containing at least 15 to 25% by mass Cr, 8 to 35% by mass Ni, 2 to 4% by mass Si and the remainder Fe and inevitable impurities (C, Mn, P, S or oth... | 11/28/2006 |
| 7138096 | Method for decomposition oxidation of gaseous pollutants An apparatus is provided for treating pollutants in a gaseous stream. The apparatus comprises tubular inlets for mixing a gas stream with other oxidative and inert gases for mixture and flame production within a reaction chamber. The reaction chamber is heated by he... | 11/21/2006 |
