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| Number | Title | Issue Date |
| 7389813 | Systems and methods for controlling local environment The present invention provides systems and methods of controlling local environment. In one embodiment, incoming air enters a contactor such the Direct Contact Cooler-Condenser (DCCC) where the air contacts water distributed on the contact media. After passing throu... | 06/24/2008 |
| 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 |
| 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 |
| 7288140 | Wet process gas treatment apparatus In a wet-process gas treatment method of treating an acid gas by using at least two treating columns connected in series, a ratio of the concentration of an acid gas at an outlet to a concentration of the acid gas at an inlet of a first treating column is set higher... | 10/30/2007 |
| 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 |
| 7246795 | Ceramic packing element The invention provides an improved ceramic packing element (1, 6, 8) suited to use as a bed limiter having a generally uniform cross-section in the length (l) direction with the basic shape of a bow-tie and having a plurality of through passages (5) pa... | 07/24/2007 |
| 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 |
| 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 |
| 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 |
| 7112240 | Sterilizing air filter A sterilizing air filter has a casing, a base, multiple spray devices, a cover, multiple fans and multiple bent tubes. The casing has an inlet and an outlet. The base is mounted in the casing and has multiple chambers in the base. Disinfectant can be poured into the... | 09/26/2006 |
| 7104529 | Method and apparatus for facilitating more uniform vapor distribution in mass transfer and heat exchange columns A vapor horn device for use in an elongated, generally upright mass transfer and/or heat exchange column having an internal region comprises an elongated, generally arcuate wall arranged to be located within the internal region and disposed to extend around a longit... | 09/12/2006 |
| 7101425 | Washer and method for purifying gases In a washer for cleaning gases that contain particulate and/or gaseous impurities, the gases are conveyed through an absorption column that is sprayed with washing fluid. An additionally provided jet pump (7) operates with the washing fluid, wherein said jet ... | 09/05/2006 |
| 7100906 | Evaporative cooler water distribution system A water distribution system for wetting an evaporative media pad includes a nozzle spraying a stream of water onto a water distributor that diverts the stream into at least two different portions. A plurality of fingers extend in at least two different directions to... | 09/05/2006 |
| 7091252 | 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... | 08/15/2006 |
| 7014175 | Packing for column Packing elements typically used in columns to enhance chemical reactions are illustrated. The packing element may be shaped as a sphere, ellipsoid or any shape of a revolution of a conic. Alternate embodiments illustrated may have faces analogous to crystal shapes. ... | 03/21/2006 |
| 6969495 | Mat element that has a distribution function For use in a separation column, a mat element or a beam element has at least: an upper part 2; at least one distributor-collector part (3) having one or more secondary orifices (7i) and at least one main orifice (6), whereby the pa... | 11/29/2005 |
| 6966364 | Systems and methods for controlling local environment The present invention provides systems and methods of controlling local environment. In one embodiment, incoming air enters a contactor such the Direct Contact Cooler-Condenser (DCCC) where the air contacts water distributed on the contact media. After passing throu... | 11/22/2005 |
| 6919000 | Diffusion driven desalination apparatus and process A diffusion driven desalination apparatus and related method includes structure for receiving a heated water stream and creating at least one region having a thin film of water and structure for forcing a low humidity air stream over the thin film of water, wherein ... | 07/19/2005 |
| 6905610 | Method, module and device for contacting a gas and a liquid A method, a module, and a device for gas-liquid contacting. The liquid is sent, in the presence of the gas, in jet form in a first direction onto a wall inclined at an angle of 35-55 degrees with respect to the first direction, the wall dispersing the liquid jet int... | 06/14/2005 |
| 6880813 | Outlet silencer for cooling tower, evaporator cooler or condenser A sound attenuating apparatus for mounting on a heat exchanging apparatus such as a cooling tower, this apparatus having an attenuator housing with vertically extending sides, a top cover and a bottom adapted for mounting on the tower. There is an annular air inlet ... | 04/19/2005 |
| 6575436 | Evaporative cooler An evaporative cooler (10) includes a housing having aligned upper and base panels (40, 50), and one or more air pervious side panels (70) peripherally disposed therebetween. An air inlet (52) is formed in the upper panel and the base panel collects exces... | 06/10/2003 |
| 6367277 | Evaporative cooling apparatus An evaporative cooling apparatus (20) includes a housing (22) and cooling media (48) contained in the housing (22). The cooling media (48) has an air inlet portion (46) and an air outlet portion (60). The air inlet portion (46) is positioned adjacent an a... | 04/09/2002 |
| 6209570 | Automatic flush valve An automatic flush water distribution system for use in an evaporative cooling system includes a water distribution pipe adapted to be connected to a source of pressurized water. The pipe has a plurality of water distribution ports formed therein and a ve... | 04/03/2001 |
| 6068686 | Scrubber system and method of removing pollutants from a fluid A scrubber for removing pollutants from a fluid and having an inlet for receiving the fluid and an outlet for emitting the fluid, the scrubber comprising a first scrubber coupled with the fluid intermediate the inlet and the outlet for removing a first me... | 05/30/2000 |
| 6019818 | Combination quenching and scrubbing process and apparatus therefor Quenching and scrubbing are accomplished simultaneously in a single downflow apparatus which functions both as an adiabatic quencher and a packed bed scrubber. A special feature of the quencher/scrubber is a hot-cool interface which is effective in contro... | 02/01/2000 |
| 5884658 | Liquid distributor for a packed tower A liquid distributor for use within a cylindrical tower containing tower packing to provide dispersed liquid to the packing comprising (a) a plurality of cordially disposed feed liquid conduits interconnected one to another to form, at least, one coplanar... | 03/23/1999 |
| 5839271 | Quench cooler A quench cooler for cooling a hot flowing gas includes a cylindrical shell which is connected to a hot-gas line and to a cold-gas line and which has a device for injecting water. A packed column filling the cross-section of the shell through which flow oc... | 11/24/1998 |
| 5776316 | Liquid redistribution system A liquid redistribution system for redistributing liquid descending in a packed distillation column in which liquid is distributed from one side of the column to the other side of the column and vice-versa. To this end, a plurality of parallel, spaced apa... | 07/07/1998 |
| 5707410 | Exhaust stack scrubber A system for removing contaminants from a gas in an exhaust stack. A cone structure having a plurality of stacked cones is located in the exhaust stack in combination with a spray system including a water input pipe with a misting spray nozzle. Air or gas... | 01/13/1998 |
| 5707563 | V-module fractionation tray High capacity, low cost fractionation trays are formed from a number of adjacent triangular (v-shaped) downcomer modules. The trays are free of the horizontal perforated decking surface of conventional trays. The downcomer modules have perforations only i... | 01/13/1998 |
| 5679290 | Packed absorption towers An improved packed tower for effecting the absorption of a gas into a liquid, comprising a cylindrical tower wall defining a packing zone; a plurality of packing pieces contained within the packing zone; a liquid distributor above the packing zone for dis... | 10/21/1997 |
| 5620503 | Humidifier and method for humidifying air A humidifier system includes a spray apparatus in a housing which sprays a mist of water droplets onto a mist eliminator to intercept the mist of water droplets. The mist of droplets is captured in a liquid phase by the mist eliminator and is substantiall... | 04/15/1997 |
| 5586995 | Filter for separating pollutants from flue gases A filter for separating pollutants from flue gases with a filter housing and with a plurality of filter boxes arranged therein at spaced locations horizontally one on top of another or vertically next to one another. These filter boxes contain the filter ... | 12/24/1996 |
| 5558687 | Vertical, packed-bed, film evaporator for halide-free, silicon-containing compounds A vaporizer (film evaporator) (13) for halide-free, silicon-containing liquid reactants used in producing preforms is provided. The vaporizer includes a plurality of packed-bed columns (22) surrounding a central tube (24). A mixture of liquid reactant, e.... | 09/24/1996 |
| 5554329 | Fractionation tray formed by triangular downcomer modules High capacity, low cost fractionation trays are formed from a number of adjacent triangular (v-shaped) downcomer modules. The trays are free of the horizontal perforated decking surface of conventional trays. The downcomer modules have perforations only i... | 09/10/1996 |
| 5407605 | Fractionation tray with side discharging triangular downcomers High capacity, low cost fractionation trays comprise a flat perforated decking surface sectioned into parallel contacting areas by triangular downcomers. The bottom edges of two inclined sidewalls join together to form V-shaped downcomers having a limited... | 04/18/1995 |
| 5403561 | Mixed phase fixed bed reactor distributor The uniform distribution of mixed phase fluid stream on to the top of a contact bed in a reactor chamber is provided by a horizontal tray with a plurality of spaced-apart, vertically disposed chimneys extending through the tray. These chimneys have a firs... | 04/04/1995 |
| 5273687 | Microbiological control of recirculating water in evaporative cooling systems at idle conditions The present invention provides apparatus and the method to treat process water of heat exchange systems with fluid flow through the system at an idling or inoperative system mode, which system may have a biocidal treatment arrangement coupled thereto.... | 12/28/1993 |
