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| Number | Title | Issue Date |
| 8178059 | Systems and methods for supplying chlorine to and recovering chlorine from a polysilicon plant A system for supplying chlorine to and recovering chlorine from a polysilicon plant may include a brine treatment system, at least one membrane cell, a chlorine drying system, a chlorine compression system, a hydrogen drying system, a hydrogen compression system, a ... | 05/15/2012 |
| 7943099 | Reactor and method for reacting at least two gases in the presence of a liquid phase A reactor for reacting at least two gases in the presence of a liquid phase, provided with an external liquid phase circulation device and including at least one injector for injecting the gases and the externally circulated liquid phase. In the injector the mixing ... | 05/17/2011 |
| 7906082 | Method and apparatus for refining biodiesel Method and apparatus for producing biodiesel fuel, i.e., alkyl ester, from vegetable and/or animal oil. A transesterification catalyst is prepared in a base catalyst tank by spraying alkyl alcohol under pressure through jets at metal hydroxide pellets until the pell... | 03/15/2011 |
| 7897124 | Continuous process and plant design for conversion of biogas to liquid fuel Biogases such as natural gas and other gases capable of being biologically derived by digestion of organic matter are converted to a clean-burning hydrocarbon liquid fuel in a continuous process wherein a biogas is fed to a reaction vessel where the biogas contacts ... | 03/01/2011 |
| 7842262 | Process and apparatus for separating gas from a multi-phase mixture being recycled in a reactor A reactor in which a multi-phase mixture, including gas and a catalyst slurry or liquid, is to be conducted. The reactor includes a reaction chamber having a substantially unencumbered center portion through which the multi-phase mixture is conducted upwardly. A dow... | 11/30/2010 |
| 7785549 | Recycling system for hydroxylamine formation and oximation A recycling system for hydroxylamine formation and oximation is proposed. The recycling system includes a hydroxylamine formation zone, an oximation zone, a purification zone, and an adjusting zone having a nitrate absorption tower. An inorganic process solution, us... | 08/31/2010 |
| 7776289 | Method and apparatus for producing decabromodiphenyl alkanes A method of producing decabromodiphenyl alkanes includes the steps of charging a reaction vessel with bromine and a bromination catalyst and introducing a diphenyl alkane into the vessel at a location above the level of the charge bromine and catalyst. A dip tube ap... | 08/17/2010 |
| 7713499 | Fluidized bed reaction apparatus and methods for using the same Apparatuses and methods for preparing sol-gel solutions are provided. Specifically, apparatuses include a vessel optionally containing a stirrer; a pump; a fluidized bed reaction column; and multiple fluid lines. The multiple fluid lines connect the vessel and the p... | 05/11/2010 |
| 7713500 | Leaching process A process for the oxidative leaching of sulphide mineral species, the method characterized by the method steps of: leaching a slurry containing the mineral species in one or more reaction vessels; circulating a stream of leach liquor to a flash cooler; flashing the ... | 05/11/2010 |
| 7632473 | Process and apparatus for alkylation of aromatic with olefin using impure aromatic recycle Processes and apparatus for the alkylation of aromatic compound with mono-olefin aliphatic compound in the presence of solid alkylation catalyst use a lights distillation for obtaining desired selectivities to arylalkane in a energy efficient manner. The processes a... | 12/15/2009 |
| 7601311 | Integrated process for producing xylenes and high purity benzene Processes and apparatus are provided that provide high yields of xylenes per unit of aromatic-containing feed while enabling a high purity benzene co-product to be obtained without the need for an extraction or distillation to remove C6 naphthenes. The pr... | 10/13/2009 |
| 7435864 | Method and device for the production of alkylates Disclosed is a device for the production of alkylate(s) by sulfuric acid alkylation of at least one isoparaffin such as isobutane with at least one olefin, such as butylenes. The device includes a mixing chamber for preparing a mixture of the isoparaffin with recycl... | 10/14/2008 |
| 7419643 | Methods and apparatus for recovering gypsum and magnesium hydroxide products The present invention provides methods and apparatus for treating flue gas containing sulfur dioxide using a scrubber, and more particularly relates to recovering gypsum and magnesium hydroxide products from the scrubber blowdown. The gypsum and magnesium hydroxide ... | 09/02/2008 |
| 7402188 | Method and apparatus for coal gasifier A method and apparatus for efficiently forming a gaseous material from a solid starting material. The produced gaseous material includes a CGE HHV having a high percentage of an original HHV of the starting material. The gaseous product may be used to form a plurali... | 07/22/2008 |
| 7368087 | Gas re-using system for carbon fiber manufacturing processes A gas re-use system for carbon fiber manufacturing processes based on hydrocarbon thermal decomposition. The system permits re-use of the output gas from the carbon fiber manufacturing process, a process based on the use of an industrial gas as the main raw material... | 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 |
| 7335296 | System and device for processing supercritical and subcritical fluid A system for processing supercritical and subcritical fluid capable of bringing the inside of at least one processing container (1) formed in a flow passage into a supercritical or subcritical high pressure field, wherein thermal operation is applied to proce... | 02/26/2008 |
| 7329395 | Treatment apparatus and treatment method for organic waste A treatment apparatus for organic waste including a reaction vessel for introducing and decomposing organic waste and pulling out decomposed organic waste as a treated fluid. The reaction vessel includes an internal vessel made of corrosion-resistant material, an ex... | 02/12/2008 |
| 7326263 | Method and apparatus for hydrogenating hydrocarbon fuels In the present invention, there is provided a process and an apparatus for hydrogenating hydrocarbon fuels. A receptacle is partly filled an aqueous solution containing sodium hydroxide. A hydrocarbon fuel is then introduced inside the receptacle atop the aqueous so... | 02/05/2008 |
| 7311885 | Batch reaction system A batch reaction system for simultaneously conducting reactions in at least two separate reactors (CSTR reactors), is provided wherein the at least two batch reactors, containing mixing means and a fluid inlet, a fluid feed common conduit is present for feed fluid t... | 12/25/2007 |
| 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 |
| 7279319 | Method and apparatus for injecting oxygen into fermentation processes A sparger for delivering fluid comprising a sparger pipe for carrying the fluid from a fluid source and downwardly directed nozzles to direct the delivery of fluid is disclosed. A substantially vertical connection pipe connects the sparger to the nozzles. Also, a me... | 10/09/2007 |
| 7223374 | Hydroformylation process employing a cobalt-based catalyst in a non-aqueous liquid with improved catalyst recycling A process for hydroformylating olefinically unsaturated compounds by means of a cobalt-based catalyst is carried out in a non-aqueous ionic liquid which is a liquid at a temperature below 90° C. and comprises at least one ammonium and/or phosphonium and/or sulfoniu... | 05/29/2007 |
| 7220290 | System for hydrogen generation The present invention relates to a composition and method for storage and controlled release of hydrogen. In particular, the present invention relates to the use of borohydride based solutions as a hydrogen storage source and a catalyst system to release hydrogen th... | 05/22/2007 |
| 7179434 | Integrated apparatus for aromatics production Enabling a transalkylation process to handle both C10 alkylaromatics and unextracted toluene permits the following improvements to be realized. No longer extracting toluene allows a reformate-splitter column to be eliminated. The extraction unit can be mo... | 02/20/2007 |
| 7172687 | Wastewater treatment system A water treatment system for treating water. The water treatment system includes a primary water treatment station and a solid-based sulfurous generator downstream from the primary water treatment station for producing aqueous sulfurous acid for further treatment of... | 02/06/2007 |
| 7169368 | Integrated apparatus for aromatics production Enabling a transalkylation process to handle both C10 alkylaromatics and unextracted toluene permits the following improvements to be realized. No longer extracting toluene allows a reformate-splitter column to be eliminated. The extraction unit can be mo... | 01/30/2007 |
| 7159444 | Combustible gas detection systems and method thereof A system and method are provided for monitoring the levels of combustible gas in a gas stream. The system includes means for controlling the relative humidity of the the gas stream to maintain a humidity level in the performance range of combustible gas sensors. A n... | 01/09/2007 |
| 7144559 | Device and process optimizing the circulation of a suspension in an installation comprising a Fischer-Tropsch reactor Installation for chemical conversion of a feedstock by Fischer-Tropsch reaction comprising a reactor that contains a slurry constituted by at least one suspension of at least one solid in a liquid, a gas feed, a circuit, external to the reactor, of continuous circul... | 12/05/2006 |
| 7144568 | Method and device for carrying out a reaction in liquid medium with gas evolution Described is a process and a device for carrying out a reaction in liquid medium during which evolution of gas occurs. The process can be applied in particular to a reaction employing a peroxide such as hydrogen peroxide and, in particular, to the reduction of chlor... | 12/05/2006 |
| 7132044 | Device that comprises recycling to a separator a liquid effluent that is obtained from an absorber and is mixed with a feedstock A device comprising at least one absorber, at least one cold separator from which is extracted a gaseous phase that feeds the absorber, at least one recycling to said cold separator of at least a portion of liquid effluent that is obtained from the absorber and whic... | 11/07/2006 |
| 7128768 | Hydrogen generator for hydrogen desulfurization of hydrocarbon feeds A hydrogen-rich reformate gas generator (36), such as a mini-CPO, POX, ATR or other hydrogen generator provides warm, dry, hydrogen-rich reformate gas to a hydrogen desulfurizer (17) which provides desulfurized feedstock gas to a major reformer (14 | 10/31/2006 |
| 7083658 | Hot solids gasifier with COremoval and hydrogen production A gasifier 10 includes a first chemical process loop 12 having an exothermic oxidizer reactor 14 and an endothermic reducer reactor 16. CaS is oxidized in air in the oxidizer reactor 14 to form hot CaSO4 which is dischar... | 08/01/2006 |
| 7081233 | Method and apparatus for degassing liquid sulfur A vessel is mounted external to a liquid sulfur storage pit for degassing liquid sulfur at atmospheric pressure. Liquid sulfur is re-circulated from the pit to a static mixing device extending from a head space to the liquid sulfur which provides intimate contact of... | 07/25/2006 |
| 7077884 | Hydrogen sulfide scrubber using polymeric amine and associated methods A hydrogen sulfide scrubber includes first and second scrubber tanks with scrubber media contained therein. Scrubbing solution circulators each include a dispenser for dispensing scrubbing solution into contact with the scrubber media, a sump for collecting the scru... | 07/18/2006 |
| 7070988 | Oligosaccharide synthesizer After various sugar nucleotide solutions and glycosyltransferases (or primers) have been mixed, they are introduced into a reaction tank (column) with primers (or glycosyltransferases) immobilized thereon. Then solutions coming out of the reaction tank are led to an... | 07/04/2006 |
| 7048262 | Method and apparatus for injecting oxygen into fermentation processes A sparger for delivering fluid including a sparger pipe for carrying the fluid from a fluid source and downwardly directed nozzles to direct the delivery of fluid is disclosed. A substantially vertical connection pipe connects the sparger to the nozzles. Also, a met... | 05/23/2006 |
| 7029554 | Method for brightening pulp with hydrosulfite solution generated from borohydride and bisulfite A method for brightening pulp at a pH from 4.5 to 9. The method comprises the steps of: (a) combining an alkali metal borohydride, an alkali metal hydroxide, an alkali metal bisulfite and phosphoric acid to form a reducing solution; and (b) adding the reducing solut... | 04/18/2006 |
| 7022295 | Installation for carrying out a three phase chemical reaction under pressure A gas siphon type reactor (10) is used to carry out a three phase chemical reaction under pressure, such as the reduction of uranyl nitrate to uranous nitrate by hydrogen, in the presence of a catalyst made up of platinum on a silica carrier. The control of t... | 04/04/2006 |
| 6994117 | Piping elbow liners Liners useful as piping elbow liners comprising a body liner, a tangential inlet liner, and a tangential outlet liner. The tangential inlet liner and the tangential outlet liner can be removably inserted into a cavity in the body liner. The body liner can comprise t... | 02/07/2006 |
