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| Number | Title | Issue Date |
| 7803333 | Apparatus for catalytically processing slurry In a method and apparatus for thermal processing of slurry, slurry is combined with a bio-mass to produce a mixture. The mixture is subjected in a heated mixer pump to a cracking temperature, thereby allowing the mixture to catalytically undergo a cracking reaction ... | 09/28/2010 |
| 7322565 | Stirring device and process for carrying out a gas-liquid reaction The invention describes a stirring device made from a gassing stirrer and a liquid mixer or two liquid mixers, which are arranged on a shaft and each have a feed and at least one exit opening, wherein the exit openings of the gassing stirrer and of the liquid mixer ... | 01/29/2008 |
| 7267328 | Aeration of wastewater ponds using airlift pumps The subject of this invention is a submerged airlift pump using multiple concentric pipes with diameters that increase as they near the water surface. Water initially accelerated into the lowest pipe section is progressively decelerated in subsequent pipe sections, ... | 09/11/2007 |
| 7250142 | Device for mixing and distributing a dense fluid and a light fluid, placed upstream from a granular bed, and its use in descending flow Device for mixing and distributing a dense, generally liquid, fluid and a light, generally gaseous, fluid, placed in a reaction chamber upstream from a granular bed (70) or between two successive granular beds, the said device being characterized by a tubular... | 07/31/2007 |
| 7182922 | Device for mixing and distributing a gas phase and a liquid phase supplied to a granular bed For mixing and distributing a gas phase and a liquid phase over a granular bed, employing an annular peripheral zone inside a reactor via which liquid is introduced and which acts as a buffer zone against fluctuations in the flow of the liquid phase. The device is a... | 02/27/2007 |
| 7179433 | Production process and production apparatus for polybutylene terephthalate An apparatus for continuously producing polybutylene terephthalate, which comprises a first reactor for reacting an aromatic dicarboxylic acid with a glycol, thereby producing an oligomer, a second reactor for polycondensating the oligomer, thereby preparing a low p... | 02/20/2007 |
| 7166260 | Reactor for producing ultra fine particles A reactor containing a plurality of porous rotors is disclosed. A liquid sprayed in a direction from a rotating axis to the rotors is hit by the porous rotors, creating fine liquid particles, so that a mass transfer takes place between the surfaces of the liquid par... | 01/23/2007 |
| 7122161 | Taylor reactor for materials conversion in the course of which a change in viscosity of the reaction medium occurs A Taylor reactor for conducting material conversions, having an external reactor wall (1) located within which there is a concentrically or eccentrically disposed rotor (2), a reactor floor (3) and a reactor lid (4), which together define... | 10/17/2006 |
| 7112241 | Protein crystallography hanging drop multiwell plate The present invention includes a microplate for performing crystallography studies. In particular, the microplate has a frame that includes a plurality of wells formed therein. Each well includes a first well and a second well. The first well includes a relatively l... | 09/26/2006 |
| 7100905 | Reactor for gas/liquid or gas/liquid/solid reactions A reactor (1) for gas/liquid or gas/liquid/solid reactions having a vertical longitudinal axis and an inlet (2) for a liquid or liquid/solid feed stream in the upper region of the reactor and an inlet (3) for a gaseous stream in the lower region... | 09/05/2006 |
| 7074962 | Catalyst holder and agitation system for converting stirred tank reactor to fixed bed reactor This invention relates to apparatus particularly a monolith catalytic reactor in a stirred tank reactor. The stirred tank reactor including the fixed bed catalytic reactor apparatus comprises: an housing having an open top and open... | 07/11/2006 |
| 7056473 | Method and apparatus of quantitative assays A sample testing apparatus (100) for use in measuring an analyte in a sample (105) is disclosed. The apparatus includes a sample well (104) for receiving the sample. A solid analyte binding agent (160) is disposed in the sample well. The ... | 06/06/2006 |
| 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 |
| 6613290 | System for fluidized catalytic cracking of hydrocarbon molecules A fluidized catalytic cracking system includes a riser for contacting catalyst and hydrocarbon feedstock. The riser has an inner surface that defines a central passage. The central passage acts as a flow path for the catalyst and the hydrocarbon feedstock... | 09/02/2003 |
| 6596242 | Reactor riser of a fluidized-bed catalytic cracking plant Apparatus comprising a fluidized-bed catalytic cracking plant riser reactor having an axial passageway extending between said inlet end for receiving hydrocarbonaceous feed and catalyst particles and wherein said outlet end discharges effluent and catalys... | 07/22/2003 |
| 6562109 | Acceleration assisted particle/gas separation system Trap apparatus and method for removing contaminants from the gaseous effluent flows from chemical vapor deposition chambers and processes by flowing the particle laden gas into an upper chamber of the trap apparatus, imparting additional kinetic energy to... | 05/13/2003 |
| 6517706 | Hydrocracking of heavy hydrocarbon oils with improved gas and liquid distribution A slurry feed of a heavy hydrocarbon feedstock and coke-inhibiting additive particles together with a hydrogen-containing gas, are fed upward through a confined hydrocracking zone in a vertical, elongated, cylindrical vessel with a generally dome-shaped b... | 02/11/2003 |
| 6511635 | Fluid state catalytic cracking reactor having solid fastened packing element for homogeneously distributing particle flow The upstream portion of a reactor (1), contains, between the feeding area of the catalyst flow and the injection area of the charge to be cracked, at least one solid and attached packing element (6, 6'), that extends over all or part of the cross section ... | 01/28/2003 |
| 6299657 | Process for carrying out chemical reactions using a microlaminar mixer In the reaction process, at least two educts A, B are divided by a system, assigned to each of them, of slit-like microchannels 1a, 1b into spatially separate fluid lamellae, which then emerge into a common mixing and reaction space 4. The fluid lamellae ... | 10/09/2001 |
| 6146519 | Gas solid contact riser with redistribution An dilute phase transport riser for the contacting of particles with a gas uses redistributors along the length of the riser to prevent the formation of localized regions of high particle concentration along the wall of the riser. A series of redistributo... | 11/14/2000 |
| 6080370 | Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent A wet-type flue gas desulfurization method and plant making use of a solid desulfurizing agent in which exhaust gas exhausted from a combustion apparatus such as a boiler is brought into contact with absorbing liquid to absorb sulfur oxide from the exhaus... | 06/27/2000 |
| 6080372 | Two stage reactor for continuous three phase slurry hydrogenation and method of operation A continuous stirred tank reactor is paired with a bubble column reactor to enhance conversion in a continuous process, e.g. hydrogenation, wherein a gaseous reactant is mixed with a liquid. The continuous stirred reactor is fitted with a specialized impe... | 06/27/2000 |
| 5935413 | Interbed gas-liquid mixing system for cocurrent downflow reactors An apparatus for mixing vapor and liquid reactants within a column. The apparatus forms a first mixing zone into which a first reactant (e.g., vapor) is homogenized by swirl flow and flows vertically downward. The apparatus further forms a second mixing z... | 08/10/1999 |
| 5851380 | Process and apparatus for fluidized catalytic cracking of a hydrocarbon feed An improved apparatus and method for the fluidized catalytic cracking (FCC) of hydrocarbons. Turbulence generation means disposed on the internal surface of an FCC riser-reactor are utilized to provide for a more uniform catalyst flow pattern within the r... | 12/22/1998 |
| 5837208 | Hydroprocessing reactor mixer/distributor Quench fluids being charged to a hydroprocessing reactor and liquid flowing downward within the reactor are admixed between the catalyst beds located in the reactor by an apparatus comprising three circular trays (16, 21, 22) and a mixing chamber (20). Th... | 11/17/1998 |
| 5788944 | Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent Exhaust gas from combustion equipment such as a boiler is brought into contact with an absorbing liquid to absorb sulfur oxide from the exhaust gas into the absorbing liquid. Limestone particles having larger diameters are selectively retained in a zone w... | 08/04/1998 |
| 5785933 | Sulfuric acid alkylation reactor system with static mixers A sulfuric acid-catalyzed alkylation reactor system is provided for alkylating isoparaffins with olefins to produce hydrocarbon alkylates. The reactor vessel has a vertical cylindrical wall, a top, an inverted conical bottom portion, internal perforated b... | 07/28/1998 |
| 5779995 | Sludge phase reactor and process for performing sludge phase reactions A reactor is described for exothermic sludge phase reactions which comprises as the heat exchanger an annular chamber which is covered at the top and the bottom by the reaction mass in the reactor, the annular chamber comprising a plurality of vertical pa... | 07/14/1998 |
| 5605552 | Wet type flue gas desulfurization apparatus A wet type flue gas desulfurization apparatus in which desulfurization of flue gas is carried out through gas/liquid phase contact of flue gas with an absorbent slurry. More particularly, disclosed in a combined absorption tower comprising an absorbent sl... | 02/25/1997 |
| 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 |
| 5457251 | Method for partially hydrogenating a monocyclic aromatic hydrocarbon Disclosed is a method for partially hydrogenating a monocyclic aromatic hydrocarbon to produce a cycloolefin, comprising reacting a monocyclic aromatic hydrocarbon with hydrogen in the presence of a particulate hydrogenation catalyst comprised mainly of m... | 10/10/1995 |
| 5433928 | Absorption column with internal mixing chamber for absorption of acetylene In the absorption of acetylene from a crude gas mixture containing mostly C2 hydrocarbons, a substantially acetylene-free liquid C2 stream is introduced into a mixing chamber located in the column between the feed points for the crud... | 07/18/1995 |
| 5130105 | Protein crystal growth tray assembly A protein crystal growth tray assembly includes a tray that has a plurality of individual crystal growth chambers. Each chamber has a movable pedestal which carries a protein crystal growth compartment at an upper end. The several pedestals for each tray ... | 07/14/1992 |
| 4741807 | Apparatus for extracting valuable substances from a granular feedstock In a reactor, granular feedstock having particle sizes in the range from about 0.5 to 15 mm is subjected in a moving bed to a countercurrent extraction at a temperature in the range from 20° to 150° C. and under a pressure in the range from 50 to 400 ba... | 05/03/1988 |
| 4738770 | Apparatus and method of removal of catalyst blockage from reactor recycle pumps A process and apparatus of preventing the plugging of the discharge and/or suction line of an internal recycle pump utilized in an expanded bed reactor of the type having a partition transversely extending through the lower portion thereof and defining a ... | 04/19/1988 |
| 4675099 | Flowing catalyst particles in annular stream around a plug in lift pot Catalyst/oil mixing in a catalytic cracking unit can be effected at approximately right angles by introducing the liquid oil axially into the mouth of the riser and bringing the catalyst radially inwardly into the mouth of the riser from substantially the... | 06/23/1987 |
| 4269805 | Reactor for the oxidation of alkyl aromatics with oxygen-containing gases in the liquid phase A multi-stage reactor for the oxidation of alkyl aromatics, e.g. a mixture of p-xylene and methyl p-toluate in a liquid phase reaction mixture with oxygen-containing gases, e.g. air, under elevated pressure and at an elevated temperature in the presence o... | 05/26/1981 |
| 4224286 | Regeneration equipment for spent activated carbon A regeneration equipment for spent activated carbon comprises a regeneration reactor provided vertically through a vertical heating furnace and an integrated body of a longitudinal series of numerous spiral elements fixedly provided almost throughout the ... | 09/23/1980 |
| 4159307 | Apparatus for producing aromatic dicarboxylic acids An apparatus for producing an aromatic dicarboxylic acid by oxidizing a benzene derivative with molecular oxygen in the liquid phase in a lower aliphatic carboxylic acid as a solvent in the presence of an oxidation catalyst, wherein a starting material li... | 06/26/1979 |
