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| Number | Title | Issue Date |
| 8181942 | Liquid redistribution device for multibed reactors A liquid distribution device is presented for the collection and distribution of liquid between reactor or adsorbent beds. The device includes a liquid collection tray, a mixing chamber in fluid communication with the liquid collection tray, a rough distribution tra... | 05/22/2012 |
| 8177198 | Quench zone design using spray nozzles A liquid distribution device is presented for the collection and distribution of liquid between reactor or adsorbent beds. The device includes a liquid collection tray, a mixing chamber in fluid communication with the liquid collection tray, a liquid distribution tr... | 05/15/2012 |
| 8118284 | Collector-distributor combination A collector-distributor combination in a column, which is filled with a random packed bed or with a structured packing, is disclosed. The liquid phase is guided over a collector with inclined planes to a central opening, which is connected to an ascending pipe, from... | 02/21/2012 |
| 8104748 | Hollow fiber system Disclosed is a hollow fiber system for a humidifier, including hollow fibers that are permeable to steam. A first air flow can be conducted within the hollow fibers while a second air flow can be conducted outside the hollow fibers. The hollow fibers are located at ... | 01/31/2012 |
| 8096533 | Packing arranged for an exchange of heat and/or material A stacked packing column for heat and/or mass transfer has individual horizontal layers including a lower layer that has a greater density that initiates an accumulation, in particular flooding, and that is 1.5 to 10, preferably 2 to 3 times, greater than the densit... | 01/17/2012 |
| 8096534 | Water distribution tray A water distribution tray having an improvement including a first downwardly inclined surface therein commencing at a base of a water impingement pedestal within a first of a plurality of channels and ending at a corresponding first of a plurality of discharge apert... | 01/17/2012 |
| 7950631 | Water distribution tray A water distribution tray having an improvement comprising a first downwardly inclined surface therein commencing at a base of a water impingement pedestal within a first of a plurality of channels and ending at a corresponding first of a plurality of discharge aper... | 05/31/2011 |
| 7712728 | Liquid distributor The fine distributor for a liquid includes a primary distribution stage that has a plurality of outlet openings and a secondary distribution stage that has distribution gutters below the primary distribution stage. A mesh structure leads from the primary to the seco... | 05/11/2010 |
| 7581719 | Configurations and methods for ribbed downcomer wall An inclined fluid receiving surface (230) is positioned a short distance away from a pipe distributor (210) having a plurality of openings (212) and receives from the openings a liquid-containing fluid (220) with a horizontal momentum ( | 09/01/2009 |
| 7559540 | Stacked packing for heat exchange and mass transfer A stacked packing for a heat-exchange or mass-transfer column has a horizontal packing part formed of a plurality of upright layers. Some of the layers of the lower part are of substantially greater density and have a greater surface area than others of the layers. | 07/14/2009 |
| 7559539 | Stacked packing for heat exchange and mass transfer A stacked packing for a heat-exchange or mass-transfer column has a horizontal upper packing part and a horizontal lower packing part below the upper part. This lower part is formed of a plurality of upright layers, some of which are of substantially greater density... | 07/14/2009 |
| 7523923 | Fluid distribution tray and method for the distribution of a highly dispersed fluid across a bed of contact material A fluid distribution tray that is capable of providing for the distribution of a fluid across a surface area of a bed of contact material contained within a vessel, wherein the fluid distribution tray includes lost area due to a support element upon which the fluid ... | 04/28/2009 |
| 7506861 | Distribution device for two-phase concurrent downflow vessels A distribution tray for distribution of vapor and liquid across a vessel has a plurality of downcomers extending above the tray and having open upper and lower ends. A liquid conduit for each downcomer has an inlet, a section for upward liquid flow, and openings in ... | 03/24/2009 |
| 7445199 | Apparatus and process for distributing liquid A liquid distributor for use in a column having distillation trays has been developed. The liquid distributor functions to uniformly distribute a descending liquid stream across the tray for interaction with an ascending vapor stream. The liquid distributor has a fe... | 11/04/2008 |
| 7445198 | Apparatus and process for distributing liquid A liquid distributor for use in a column having distillation trays has been developed. The liquid distributor functions to uniformly distribute a descending liquid stream across the tray for interaction with an ascending vapor stream. The liquid distributor has a fe... | 11/04/2008 |
| 7424999 | Co-current vapor-liquid contacting apparatus The invention is a high capacity and high efficiency co-current vapor-liquid contacting apparatus for use in distillation columns and other vapor-liquid contacting processes. The apparatus is characterized by an arrangement of modules in horizontal stages rather tha... | 09/16/2008 |
| 7377498 | Device in process engineering column The liquid distributor includes a plurality of parallel spaced apart passages for receiving liquid, at least one carrier beam disposed transversely of and over the walls of the passages and at least one sheet metal plate slidably mounted on one of walls of the carri... | 05/27/2008 |
| 7370846 | Parallel flow fractionation tray The invention comprises multiple configurations of downcomers in a parallel flow multiple downcomer tray for vapor-liquid contacting processes such as the separation of chemical compounds via fractional distillation or the removal of a component of a gas stream with... | 05/13/2008 |
| 7368039 | Distiller employing cyclical evaporation-surface wetting A distillation unit (10) employs a rotary heat exchanger (32) forming a multiplicity of evaporation chambers (56) into which a liquid to be purified is sprayed for evaporation. Spray arms (58) spray at a steady rate into all of the evapor... | 05/06/2008 |
| 7364707 | Packing element comprising at least one recessed portion of specific volume and method of using thereof A packing element for use in a fluidised bed includes a continuous surface with at least one recessed portion. The recessed portion has a volume in the range of 0.2 to 30% of the volume of the packing element itself. ... | 04/29/2008 |
| 7357378 | Divided wall exchange column A divided wall exchange column includes a dividing wall strengthened by stiffening members and/or a double wall design to better withstand pressure differentials and minimize temperature differentials. When a double wall is used, cost of manufacture and installation... | 04/15/2008 |
| 7297249 | Heterogeneously catalyzed reactions and apparatus therefor A fixed-bed reactor is described for carrying out reactions of fluid reaction mixtures in the presence of a particulate heterogeneous catalyst having a structured packing which forms interstices in the reactor interior, in which the quotient of the hydraulic diamete... | 11/20/2007 |
| 7287745 | Liquid-continuous column distillation Bubble columns fractionate with vapor-liquid mass transfer efficiencies approaching that of distillation towers when vapor velocities in excess of 50% of jet flood are used. If the vapor velocities are pushed above about 70% of jet flood then the distillation perfor... | 10/30/2007 |
| 7287746 | Device in a process engineering column The device is arranged in a process engineering column (10) and serves in particular for the guiding of liquid. This device includes at least two parts (1, 2) made of sheet metal and releasably connected to one another. A recess (12) is arranged... | 10/30/2007 |
| 7279075 | Thermal separating process between at least one gaseous and at least one liquid stream, of which at least one comprises (meth)acrylic monomers In a thermal separating process between at least one gaseous and at least one liquid stream, of which at least one comprises (meth)acrylic monomers, in a separating column containing sieve trays as separating internals, at least some of the sieve trays are operated ... | 10/09/2007 |
| 7258328 | Method for designing radial distributors in mass transfer vessel Disclosed is a mass transfer vessel or a mass transfer tower, which is installed in water purification equipment, condensate water demineralization equipment, sewage treatment equipment, waste water treatment equipment, or chemical reactors to perform filtration, ad... | 08/21/2007 |
| 7255777 | Distillation system Improved HETP is obtained in the operation of a distillation column containing trays with a packing of a porous container containing a particulate material intimately associated with a resilient component having at least 50 volume % open space, preferably at least 7... | 08/14/2007 |
| 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 |
| 7232115 | Gas-liquid contacting tray A gas-liquid contacting tray equipped with downcomers having sidewalls with liquid outlet openings, which openings are provided with a liquid guiding device such as a lip or a spout. In one embodiment the contacting tray constitutes an upper tray having downcomer(s)... | 06/19/2007 |
| 7210671 | Fan-assisted wet cooling tower and method of reducing liquid loss The invention provides an improved natural draft cooling tower (10) having improved cooling capability and reduced liquid losses of evaporation and blow-out. To this end, the distribution of hot liquid to the packing assembly within the tower is increased aro... | 05/01/2007 |
| 7204477 | Parallel flow fractionation tray The invention comprises multiple configurations of downcomers in a parallel flow multiple downcomer tray for vapor-liquid contacting processes such as the separation of chemical compounds via fractional distillation or the removal of a component of a gas stream with... | 04/17/2007 |
| 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 |
| 7178793 | Replacement evaporative element and clip system for a humidifier An evaporative element and clip system for supporting the evaporative element in a humidifier includes a humidifier housing having an evaporative element support and an evaporative element having a water retaining media layer and at least one support layer, where th... | 02/20/2007 |
| 7172179 | Methods and apparatus for mixing fluids A bubble cap (400) has a cap (430) with at least one slot (495) and a riser (420), configured with a skirt height (460) of at least 4 cm, such that 1.5*Skirt Height (cm)+[Slot Length (cm)−Exposed Slot Height (cm)] is greater than... | 02/06/2007 |
| 7150809 | Thermal separating process (Meth)acrylic monomers are separated by a thermal separation process by ascending at least one ascending gaseous stream in a separating column containing a sequence of mass transfer trays and a liquid stream that contains dissolved polymerization inhibitor which des... | 12/19/2006 |
| 7131639 | Water distribution system for an evaporative cooler An evaporative cooler, including one or more media modules, distributes water from a source of water to each module through a constant flow valve. A distribution unit at each media module includes a spray bar for spraying water through a plurality of uniformly space... | 11/07/2006 |
| 7125004 | Liquid distributor for use in mass transfer column A flow distributor for liquid descending in a vertically elongated process column having an internal space. The distributor is made up of an elongated liquid distribution trough configured and arranged for being mounted in a process column in a position to extend ac... | 10/24/2006 |
| 7125005 | Contact tray having tray supported downcomers A plurality of fluid-fluid contact trays of the cross-flow type are provided for mounting within a shell of a mass transfer or heat exchange column. The trays include tray decks that may be supported on rings fixed to an inner surface of the shell and downcomers tha... | 10/24/2006 |
| 7121537 | Enclosed space for mixing and distribution of a gaseous phase and a liquid phase circulating in ascending flow Described is an enclosed space, a column, or a reactor including a device for mixing and distribution of at least one gaseous phase and at least one liquid phase. The device can be placed upstream of a reaction zone or of a gas/liquid contact zone that can contain a... | 10/17/2006 |
| 7118654 | Riser base A chimney tray for a column for thermal treatment of a liquid. The chimney tray includes a total take-off of liquid by a drain connection arranged at an edge of the chimney tray, and having one or more drain channels having a gradient in a direction of the drain con... | 10/10/2006 |
