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| Number | Title | Issue Date |
| 7338551 | Device and method for generating micro bubbles in a liquid using hydrodynamic cavitation A device and method for generating micro bubbles in a liquid. The method includes the steps of: providing a flow-through channel containing at least two local constrictions of flow therein; passing the liquid at a velocity of at least at least 12 m/sec through a fir... | 03/04/2008 |
| 7135058 | Polluted air treatment method and system A system for removing at least one pollutant from an air stream exhaust, the system including a plurality of enclosures through which the air stream exhaust is directed to cool the air stream exhaust, a plurality of barriers within each respective enclosure to imped... | 11/14/2006 |
| 7014177 | Process for effecting mass transfer between a liquid phase and a gaseous phase A process for effecting mass transfer between a liquid phase and a gaseous phase in a filled-type column having an external shell which accommodates at least one filler-containing basket wherethrough the phases are caused to flow in countercurrent relationship. The ... | 03/21/2006 |
| 6953495 | Low-energy venturi pre-scrubber for an air pollution control system and method A low-energy venturi pre-scrubber optimized for removing abrasive particles from a gaseous effluent is disclosed. While venturi scrubbers are efficiently used for at removing entrained particulates in air pollution control systems, they can be damaged due to the abr... | 10/11/2005 |
| 6926759 | Air filter An air filter baffle unit that works with large type canister wet/dry type vacuums. The baffle unit also can be used in large air filter systems and can be ganged to increase filtering. The baffle unit has two sections that are connected for use. An inlet pipe is co... | 08/09/2005 |
| 6852146 | Pocket vane particle and droplet eliminator A vane-type mist eliminator is provided with pocket-like channels extending along the lengths fo the vanes. The pockets allow droplets entrained in a gas stream to impinge and cling to the vane, and then drain, without being re-entrained in the gas stream because th... | 02/08/2005 |
| 6565625 | Method and apparatus for separation and recovery of a liquid from a gas stream This invention provides an improved method and apparatus for collecting a liquid overspray from a gaseous mist and separating the liquid from the gas stream. The invention has utility in a wide variety of chemical application processes such as to reduce t... | 05/20/2003 |
| 6547855 | Mass transfer system A mass transfer machine removes dissolved gases or volatile organic compounds from air or a liquid. The mass transfer machine includes a vessel capable of containing a liquid and having a liquid inlet and an air inlet at a near end. It further includes a ... | 04/15/2003 |
| 6467758 | Process for effecting mass transfer between a liquid phase and a gaseous phase A process for effecting mass transfer between liquid phase and a gaseous phase in a filled-type column having an external shell which accommodates at least one filler-containing basket wherethrough the phases are caused to flow in countercurrent relations... | 10/22/2002 |
| 6402815 | Methods and apparatus for purifying air using mixing liquid Methods and apparatus for purifying contaminated air using mixed liquid are disclosed. The invention includes an air inlet structure for taking in contaminated air, an air purifying compartment connected to the air inlet structure at one end for purifying... | 06/11/2002 |
| 6322055 | Gas dissolving apparatus and method An apparatus for dissolving a gas into a fluid which may contain at least one dissolved gas. The apparatus includes a first vertically oriented tube defining a first inner space and a second vertically oriented tube of diameter larger than the first tube ... | 11/27/2001 |
| 6221133 | Fluid separation packing The invention provides a cellular packing including a vapor/liquid separation device that can be stacked vertically with minimum wasted space. The packing uses static vanes in each cell to direct the liquid component of a vapor/liquid mixture to exit slot... | 04/24/2001 |
| 6183541 | Baffled horizontal dehydrator A natural gas dehydrator and process for dehydrating natural gas employ a longitudinal horizontal pressure vessel containing a threshold level of liquid desiccant. A plurality of spaced-apart baffles divides the vessel into a series of pneumatically discr... | 02/06/2001 |
| 6019819 | Apparatus and method for extracting heat from contaminated waste steam Disclosed is a contaminated waste steam heat recovery apparatus 10 and method therefore which includes a primary condensing unit 38, a low pressure water washing unit 26, a liquid to liquid heat exchanger 36 and a vent fan 31. Waste gas is ducted from fry... | 02/01/2000 |
| 6010559 | Mixing apparatus for gas scrubbing systems Gases containing solubles or suspended particles are mixed with a scrubbing liquid in a mixing apparatus having a chamber with a rotatable wheel mounted therein. The gas is mixed with a scrubbing liquid by the rotating wheel which has first and second scr... | 01/04/2000 |
| 5695548 | Method and apparatus for producing co-current fluid contact An improved packing system and method are disclosed wherein a packing section includes a liquid distributor and a separator placed above the distributor so that gas rising through the liquid distributor contacts liquid in the distributor, forming a gas-li... | 12/09/1997 |
| 5512252 | Dissipator for flue gas desulfurization system A dissipator for percolating a mixture of flue gases and powdered lime through a body of water to remove SO2 from the flue gases includes an elongate tubular body having first and second ends. The first end of the tubular body has an inlet thro... | 04/30/1996 |
| 5509946 | Indoor air filter An indoor air filter is provided. The indoor air filter has a housing including a water tank, an air pump, an air inlet, an air outlet, an air pump positioned between the air inlet and outlet, and an air circulation section between the air inlet and the a... | 04/23/1996 |
| 5308385 | Pollution abatement apparatus and method An apparatus and method for removing pollutants from a gas stream wherein a spray of steam is directed against a primary deflector plate to disperse a portion of the spray and repel the spray off of the primary deflector plate against a secondary deflecto... | 05/03/1994 |
| 5302361 | Multi-bed mass transfer column with mobile packing A packed mass transfer tower for establishing intimate gas/liquid contact and efficient mass transfer that is less susceptible to gas or liquid channeling, gas surging and uneven distribution of gas or liquid across the cross-sectional area of the tower. ... | 04/12/1994 |
| 4995894 | Enclosures for slag pelletization apparatus and method of operation An enclosure for slag pelletizers, and a method of operating such an enclosure, that minimizes the escape into the ambient atmosphere of airborne fibres produced by the pelletization process, while permitting the necessary free passage of the steam and ga... | 02/26/1991 |
| 4878925 | Apparatus for removing foreign substances in gas A blade is formed integrally on the inner peripheral surface of a cylindrical passage tube, thus constituting an element. A porous or meshed auxiliary body is disposed on the surface of the blade or the inner peripheral surface of the passage tube. The au... | 11/07/1989 |
| 4732585 | Fluid treating for removal of components or for transfer of heat, momentum-apparatus and method Apparatus for treating fluids flowing at high velocity, for mass and heat transfer, for gas-liquid contacting and for contaminant particulate, mist or fume separation, including a plurality of perforated or unperforated cylinders arrayed staggered in rows... | 03/22/1988 |
| 4701185 | Process for separating fly-ash Process for depressurizing fly-ash being contained in a first vessel comprising a pressurized gas by expanding the gas through at least one long and narrow pipe. The inlet of the pipe(s) dips under the upper level of the fly-ash in the first vessel. The o... | 10/20/1987 |
| 4582515 | Wet separator for and method of purifying polluted conditioning air A wet separator for purifying polluted conditioning air and separating solid and semi-liquid particles therefrom, especially paint particles in the outlet of a spray painting booth. For this purpose, there is a series of outlets with surfaces converging i... | 04/15/1986 |
| 4439274 | Method and chimney for reducing the emission of solid particles The emission of solid particles during the discharging of a horizontal coking oven or furnace is substantially reduced or eliminated. For this purpose the hot air and gas convection flow which carries the solid particles substantially vertically upwardly ... | 03/27/1984 |
| 4341536 | Method for continuously removing fine dust particles from gases A method for continuously removing fine dust from gases which contain them, consisting of: introducing the gas at a gas linear velocity of 10 to 80 m/sec and a liquid at a rate such that the liquid-to-gas ratio; L/G, is 1 to 50 l/m3, in paralle... | 07/27/1982 |
| 4298367 | Method of and device for cleansing in a fibre blanket manufacturing plant In a plant of making a blanket from fibres which are thrown or set together with polymerizable binder particles or droplets onto a perforated conveying belt, a method of cleansing consisting in: associating means for sucking air loaded with fibre dust and... | 11/03/1981 |
| 4257784 | Method and apparatus for cleaning used air from spray booths wherein articles are lacquered For cleaning a flow of used air from a spray booth wherein articles are lacquered, a duct is provided with a first constriction where the flow of used air is brought into contact with washing fluid so as to wet lacquer particles in the used air. Downstrea... | 03/24/1981 |
| 4005999 | Vapor reactor Improvements in air pollution control and polluted gas effluent treatment, both processes and apparatus; Processes and devices for sequentially several times drawing a polluted gas stream against a liquid surface under a barrier approaching the liquid sur... | 02/01/1977 |
| 3957465 | Pollution control apparatus and method Apparatus operating at low pressure drop and low initial velocity for removing pollutants down to sub-micron sizes from gas streams comprising a nozzle of specified dimensions within a vertical casing and an impingement means below the nozzle outlet where... | 05/18/1976 |
