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| Number | Title | Issue Date |
| 7964156 | Method and apparatus for regenerating an iron-based fischer-tropsch catalyst Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, ... | 06/21/2011 |
| 7368090 | FCC spent catalyst distributor An distributor arrangement introduces spent FCC catalyst more uniformly across the dense bed of the regenerator to provide more even contact with regeneration gas in order to avoid hot spots and zones of incomplete combustion. The invention forms a fluidized hopper ... | 05/06/2008 |
| 7361199 | Combined water gas shift reactor/carbon dioxide adsorber for use in a fuel cell system An apparatus removes CO from a hydrogen-rich gas stream in a hydrogen fuel cell system. CO fouls costly catalytic particles in the membrane electrode assemblies. Both a catalyst adapted to perform a water gas shift reaction, and a carbon dioxide adsorbent are dispos... | 04/22/2008 |
| 7344686 | Desulfurization apparatus with individually controllable heaters Fuel is desulfurized with a rapid cycle desulfurization-regeneration method and apparatus. Regeneratable mass separating agents, including metals supported on high surface area materials, are used in a plurality of beds that are rotated into, through, and out of a d... | 03/18/2008 |
| 7326265 | Method for cleaning the upstream surface of a particulate filter The invention concerns a method for cleaning the upstream surface (14) of a particulate filter (10) of a heat engine exhaust line, the filter (20) being arranged in a casing (12) having an outlet (22) for exhaust gases. The method ... | 02/05/2008 |
| 7303731 | Method and apparatus for regenerating an iron-based fischer-tropsch catalyst Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, ... | 12/04/2007 |
| 7033554 | Apparatus for producing water for use in manufacturing semiconductors Disclosed is a process of treating semiconductor substrates, including the production of pure water, a method of producing the pure water for semiconductor fabrication, and a water-producing apparatus. Ammonia is catalytically oxidized in a catalytic conversion reac... | 04/25/2006 |
| 7005058 | Process and apparatus for removing sulfur from hydrocarbons Disclosed is an apparatus and process for controlling the sulfur content of effluent from a hydrocarbon fractionation column. The effluent includes a low boiling stream, a middle boiling stream and a high boiling stream. Either of the feed or the low boiling stream ... | 02/28/2006 |
| 6991770 | Hydrogen storage tank A hydrogen storage tank has an outer cylinder and a cylindrical hydrogen storage module within the outer cylinder spaced apart from an inner peripheral surface of the outer cylinder to provide a hydrogen passage therebetween. The cylindrical hydrogen storage module ... | 01/31/2006 |
| 6974496 | Apparatus for thermal swing adsorption and thermally-enhanced pressure swing adsorption The present invention provides compact adsorption systems that are capable of rapid temperature swings and rapid cycling. Novel methods of thermal swing adsorption and thermally-enhanced pressure swing adsorption are also described. In some aspects of the invention,... | 12/13/2005 |
| 6964692 | Carbon monoxide adsorption for carbon monoxide clean-up in a fuel cell system An apparatus removes carbon monoxide (CO) from a hydrogen-rich gas stream in a hydrogen fuel cell system. CO fouls costly catalytic particles in the membrane electrode assemblies of proton exchange membrane (PEM) fuel cells. A vessel houses a carbon monoxide adsorbe... | 11/15/2005 |
| 6939823 | Stripper and a stripping process for removing the flue gas carried by regenerated catalyst A stripper and a stripping process for removing the flue gas carried by regenerated catalyst. A cylindrical stripper mainly comprises a degassing pipe at the longitudinal axis, a horizontal pipe connected with the lower end of the degassing pipe, several sets of inn... | 09/06/2005 |
| 6913381 | In-line mixing apparatus, process for mixing reactive chemical solutions, and process for producing microcapsules An oil phase solution injected into a mixing flow path from an upstream injection inlet forms a flow from an upstream injection inlet to a discharge outlet, and a rotary blade is provided downstream of a mechanical seal. Thus, a reverse flow toward a mechanical seal... | 07/05/2005 |
| 6911057 | Apparatus for converting coal into fuel cell quality hydrogen and sequestration-ready carbon dioxide An apparatus for burning coal to produce substantially pure hydrogen for use in fuel cells, together with “sequestration ready” carbon dioxide and a stream of oxygen depleted air for powering gas turbines. The apparatus includes two fluidized bed reactors and a ... | 06/28/2005 |
| 6899855 | Hydrogen-occlusion alloy regenerating apparatus A hydrogen-occlusion alloy regenerating apparatus includes a deterioration detecting means for detecting that a hydrogen-occlusion alloy capable of occluding hydrogen in a reformed gas produced by a reformer and of releasing the hydrogen has been deteriorated due to... | 05/31/2005 |
| 6811578 | Fuel reforming apparatus and method of controlling same In a fuel reforming apparatus having a reformer for reforming a raw fuel containing a hydrocarbon-containing compound so as to produce a hydrogen-rich fuel gas for use in a fuel cell, a carbon removal process for removing carbon deposited on a reforming catalyst con... | 11/02/2004 |
| 6723292 | Stripper and a stripping process for removing the flue gas carried by regenerated catalyst A stripper and a stripping process for removing the flue gas carried by regenerated catalyst. A cylindrical stripper mainly comprises a degassing pipe at the longitudinal axis, a horizontal pipe connected with the lower end of the degassing pipe, several sets of inn... | 04/20/2004 |
| 6689331 | Staged combustion process and apparatus for regenerating a reforming or aromatic compound production catalyst in a moving bed An apparatus for regeneration a reforming or aromatic compound production catalyst comprises a first combustion zone wherein the first combustion zone receives catalyst and an oxygen-containing gas; a successive second combustion zone; and a conduit commu... | 02/10/2004 |
| 6632406 | Device for removing pollution from exhaust gases The device for removing pollution from the exhaust gases of an internal combustion engine includes an exhaust box (12) containing, in series, a catalytic purification unit (18) and a particle filter (20). The exhaust box (12) includes means (36; 60) provi... | 10/14/2003 |
| 6562306 | Apparatus for producing dimethyl ether An apparatus for producing dimethyl ether comprising: a slurry-bed reactor filled with a dimethyl ether synthesis catalyst and a medium oil therefor; a condenser for condensing a gasified medium oil discharged from the reactor; an adsorber for removing a ... | 05/13/2003 |
| 6475454 | Thermally limited selective oxidation methods and apparatus A method and apparatus are provided for selectively oxidizing carbon monoxide in the presence of hydrogen gas while leaving the hydrogen substantially unoxidized. This method utilizes a catalytic material, such as copper/copper oxide, silver/silver oxide,... | 11/05/2002 |
| 6426052 | Vessel for regenerating a catalyst for the production of aromatic compounds or for reforming, with improved oxychlorination A vessel for regenerating a catalyst for reforming or for aromatic compound production comprising a support, at least one noble metal and chlorine, the catalyst being in the form of a moving bed, said vessel comprising at least one combustion zone (A) pro... | 07/30/2002 |
| 6423275 | Regenerative devices and methods The present invention is directed to an apparatus for directing process fluids through regenerative systems using a Multi-Port Valve Assembly. Any number of process fluids can be directed through any number of regenerative devices in a regenerative system... | 07/23/2002 |
| 6277335 | Process and unit for regeneration of a catalyst for the production of aromatic compounds or for reforming The invention concerns a process and unit for regenerating a catalyst for the production of aromatic compounds, in particular for reforming, the catalyst being in a moving bed, comprising combustion, oxychlorination and calcining steps, in which at least ... | 08/21/2001 |
| 6248298 | FCC unit catalyst stripper An improved stripper section design is provided for use in fluid catalytic cracking (FCC) units. The stripper section contains means for imparting rotational movement to the FCC cracking catalyst as it traverses the stripping section. In one embodiment th... | 06/19/2001 |
| 6183699 | FCC apparatus with short primary contacting and controlled secondary contacting An FCC process combines ultra short catalyst and feed contacting with the blending of spent and regenerated catalyst in a disengaging vessel that recovers a primary product and passes the separated catalyst to a riser for controlled cracking of the adsorb... | 02/06/2001 |
| 6059961 | Method to alleviate thermal cycles in moving bed radial flow reactor A process and arrangement for contacting a moving bed of compact particulate material, usually catalyst, with a radial flow of fluid maintains an unconfined surface of catalyst particles in place by passing fluid axially into the upper surface of the bed ... | 05/09/2000 |
| 5909613 | Apparatus for removing harmful gas A method of removing harmful gas is performed by a manner that a mixture of photocatalyzer and active carbon with air containing harmful gas and the mixture of photocatalyzer and active carbon are mixed in a chamber so as to drift the mixture in the air, ... | 06/01/1999 |
| 5770165 | Regenerative thermal oxidizer with floor-mounted media support An improved structural support system for a regenerator used with a regenerative thermal oxidizer, including a perforated and corrugated rigid beam resting on a support surface. The perforated beam supports heat exchange materials either directly, or indi... | 06/23/1998 |
| 5730945 | Purge retention chamber incorporated into RTO inlet manifold A purge retention chamber is incorporated into an inlet manifold for a two heat exchanger RTO system. A bypass valve is mounted into the purge retention chamber adjacent a downstream end, and a purge face valve is mounted in the inlet manifold between ups... | 03/24/1998 |
| 5656244 | System for reducing NOx from mobile source engine exhaust A process and system for reducing cold start NOx, carbon monoxide, and hydrocarbon emissions from mobile source engine exhaust utilizes adsorption and desorption of NOx compounds on a regenerable sorbent material. Molecules of NO | 08/12/1997 |
| 5648051 | Apparatus and method for quenching in hydroprocessing of a hydrocarbon feed stream An apparatus for quenching in hydroprocessing of a hydrocarbon feed stream, which provides a substantially continuous flow of uniformly distributed hydrogen and hydrocarbon liquid across a densely packed catalyst bed which substantially fills the entire v... | 07/15/1997 |
| 5643539 | Regenerative incineration system A filter utilizes a filter bed having a ceramic media to remove particulates from process emissions upstream of a regenerative incinerator to prevent fouling of the incinerator. To prevent the filter from fouling, the filter is adapted to "bake-off" conta... | 07/01/1997 |
| 5628968 | Apparatus for purifying pollutant-containing waste air from industrial plants by regenerative afterburning An apparatus for purifying pollutant-containing waste or exhaust air from industrial plants by means of regenerative afterburning includes a heat exchanger in the form of a heat exchanger fill. The material for the heat exchanger fill is a sponge-like foa... | 05/13/1997 |
| 5607650 | Apparatus for removing contaminants from gaseous stream A method of decreasing the level of NOx, CO and SO2 emissions in a gas turbine is disclosed. A catalyst absorber, preferably made of alumina/platinum/carbonate salt, is used to oxidize the pollutant oxides and absorb them. The catalyst absorber... | 03/04/1997 |
| 5597537 | FCC feed contacting with catalyst recycle reactor An FCC process mixes spent and regenerated catalyst to obtain thermal equilibrium of a blended catalyst stream before contacting feed with the blended catalyst stream. The spent and regenerated catalyst from the reactor and regenerator catalyst may be mix... | 01/28/1997 |
| 5565176 | Catalytically cracking paraffin rich feedstocks comprising high and low concarbon components An apparatus for contemporaneously catalytically cracking a paraffin rich feedstock and a heavy feedstock wherein the feedstocks are segregated prior to catalytic cracking in separate reactors with regenerated particulate catalyst solids. The apparatus pr... | 10/15/1996 |
| 5498756 | Moving bed regeneration process with internally mixed chloride gas A regeneration process and apparatus eliminates the need for an external chlorination recycle loop. The method and apparatus uses two-pass internal mixing of a chlorine compound input stream and drying gas to both mix and heat the chlorination gas before ... | 03/12/1996 |
| 5427745 | Catalytic cracking apparatus using regenerator with multiple catalyst outlets An improved process and apparatus are disclosed for fluidized catalytic cracking of hydrocarbons using a cross-flow or swirl type catalyst regenerator. Instead of a single catalyst withdrawal outlet for regenerated catalyst, multiple catalyst withdrawal p... | 06/27/1995 |
| 5401475 | Process and apparatus for generating elemental sulfur and re-usable metal oxide from spent metal sulfide sorbents A process and apparatus for generating elemental sulfur and re-usable metal oxide from spent metal-sulfur compound. Spent metal-sulfur compound is regenerated to re-usable metal oxide by moving a bed of spent metal-sulfur compound progressively through a ... | 03/28/1995 |
