Class 95/246 - And reduction of pressure (e.g., flashing, etc.)

Subclass of Class 95 - Gas separation: processes
Definition: Process in which the pressure acting on the liquid is decreased.
No. of patents: 33
Last issue date: 05/12/2009

Number	Title	Issue Date
7531025	Method of creating a turbulent flow of fluid between a mold and a substrate The present invention is directed toward a method of controlling a turbulent flow of a fluid between a substrate and a template, and more specifically, controlling a turbulent flow of a fluid between droplets disposed on a substrate and a template. To that end, the ...	05/12/2009
7316554	System to control an atmosphere between a body and a substrate The present invention is directed towards a system to control an atmosphere about a substrate, the system including, inter alia, a body spaced-apart from a surface of the substrate a distance; a supply of fluid coupled to introduce a flow between the body and the su...	01/08/2008
7264655	Gas/liquid separation in water injection into hydrocarbon reservoir A water stream is treated to remove oxygen before injecting the water into an underground hydrocarbon reservoir. The water-oxygen mixture is separated by centrifugal action using fixed spin blades (20). Oxygen is removed from the center of the conduit through...	09/04/2007
7150793	Method of reducing materials contained in juice A process system that uses a reduced amount of lime or other base to clarify or purify juice obtained from plant material such as sugar cane, sugar beets, or sweet sorghum. Specifically, apparatus and methods to reduce volatile materials in juice providing a product...	12/19/2006
7141100	Low flow phase separator with intermittent pumping A low flow rotary separator includes a housing that defines a separator chamber and a liquid/gas mixture inlet. A shaft driven by a motor includes a plurality of disks in frictional contact with the mixture to drive the liquid outward against an inner wall of the se...	11/28/2006
7125438	Method and an apparatus for continuously deaerating a liquid The invention relates to a method for continuously deaerating a liquid. The method comprises the step that the liquid is led into a closed container (1) so that a liquid surface (7) is formed within the container (1). The space above the liquid ...	10/24/2006
7090716	Single phase fluid imprint lithography method The present invention is directed toward a method for reducing pattern distortions in imprinting layers by reducing gas pockets present in a layer of viscous liquid deposited on a substrate. To that end, the method includes varying a transport of the gases disposed ...	08/15/2006
7074259	Method and apparatus for thermal degassing In a process for thermally degassing the water in a steam system, in particular a heat recovery steam generator, which steam system preferably includes at least one steam drum, at least one economizer connected upstream of it, and at least one evaporator, economic, ...	07/11/2006
6488743	Metal melt treatment equipment Equipment for the treatment of a liquid such as a metal melt has one or more rotors (5) for the supply of gas and/or particulate material to the liquid in a reaction chamber (1). The reaction chamber (1) is closed and has an inlet (3) and an outlet (13) a...	12/03/2002
6277175	Method and apparatus for removing trihalomethanes and dissolved oxygen from water A method for removing THMs and dissolved oxygen from water, including supplying the water into an upper portion of an air stripping container, passing the water generally downward toward a lower portion and through a first packing material, introducing ai...	08/21/2001
5980613	Pressurized radon stripper The present invention is a method and device for removing radon from groundwater without substantially reducing wellhead pressure. The pressurized radon stripper of the present invention has two principal components: a novel Venturi injector assembly whic...	11/09/1999
5948144	Lyophilizer system Apparatus and methods are disclosed for lyophilization of protein and/or pharmaceutical products, wherein said apparatus utilizes a dry vacuum pump for the direct removal of water vapor, rather than a cold trap condenser. A freeze dryer has a vacuum pump ...	09/07/1999
5634963	Degassing apparatus and use thereof An apparatus suitable in particular for degassing fluoropolymers which have been subjected to thermal degradation contains--in the direction of flow of the product--a product intake, a coolable conveyor section, a comminution apparatus, a heated conveyor ...	06/03/1997
5439594	Method for subsurface vapor extraction Methods for vacuum extraction of contaminants from subsurface media which involves vacuum withdrawal through a conduit, of vaporized contaminant, assisted by a tube for allowing air bubbles to flow through the liquid-phase hydrocarbon zone thereby causing...	08/08/1995
5423979	Liquid decontamination apparatus In a multi-pass system for purifying oil or other liquids, an improved apparatus and method for mixing air with the contaminated liquid for separation after a phase change from liquid to gas. The contaminated liquid is drawn from a reservoir by a pump, fi...	06/13/1995
5415681	Process for removing inorganic components from water A process for removing inorganic components from water is disclosed. The process involves gas stripping followed by membrane separation treatment of the stripping gas. The stripping step can be carried out using one or multiple gas strippers and using air...	05/16/1995
5403475	Liquid decontamination method In a multi-pass system for purifying oil or other liquids, an improved apparatus and method for mixing air with the contaminated liquid for separation after a phase change from liquid to gas. The contaminated liquid is drawn from a reservoir by a pump, fi...	04/04/1995
5352276	Water remediation A portable modular water air stripper system for remediation of contaminated water, such as groundwater at an outdoor contamination site, has its primary components, including the frames of a vertical assembly of individually demountable tray units, a sum...	10/04/1994
5190665	Process and apparatus for removing carbon dioxide and stripping another component from a liquid stream The continuous treatment of a liquid stream for removing a selected component therefrom, includes depressurizing the liquid stream to remove carbon dioxide, forming a carbon dioxide stream and a component-laden stream (17); raising the pH of the component...	03/02/1993
5122166	Removal of volatile compounds and surfactants from liquid A process system for removal of toxic volatile organic compounds (VOCs) from contaminated groundwater is described. This process system involves groundwater pumping, groundwater treatment by air stripping in an enclosed sparging aeration chamber, air puri...	06/16/1992
4840648	Process for regenerating absorbents containing CO₂ and COS Two absorbent solution streams are laden with CO2 and optionally with COS, which are physically dissolved. The COS content of the second absorbent solution stream is at least three times the COS content of the first absorbent solution stream. F...	06/20/1989
4752399	Method of removing dissolved oil from produced water A process for removing dissolved and undissolved oil and chemical additives from waste and/or produced water streams involves contacting a first gas with the produced water stream, the first gas utilizing hydrogen bonding and dipole interactions with the ...	06/21/1988
4738754	Method of recovering ammonia from an aqueous effluent which contains NH.sub . ₂ and H₂ S An aqueous effluent is supplied to a stripping column (total stripping column) from which a mixture that is rich in NH3, CO2 and H2 S is withdrawn as a head product. In at least one additional stripping column the mixture ...	04/19/1988
4609384	Multiple temperature level regeneration of CO₂ from physical solvent To regenerate a physical solvent, loaded with sour gases, especially CO2 and H2 S, the loaded solvent is treated with a stripping gas and/or is expanded to separate absorbed CO2 and the resultant solvent is subjected to th...	09/02/1986
4565634	Method for the removal of oxygen from water Water intended for injection into an oil reservoir is freed from oxygen by gravitating the water through a vacuum tower. Gases liberated from the water by the vacuum process are drawn off at the bottom of the respective stages of the tower. Liberated nitr...	01/21/1986
4534774	Method of degassing a liquid The concentration of air in water is rapidly reduced by 80% in a separation enclosure (28) at reduced pressure by virtue of prior injection of microbubbles of air into the enclosure (26). Degassed water is useful for scaling cavitation effects in a hydrau...	08/13/1985
4456535	Process for the removal of urea, ammonia, and carbon dioxide from dilute aqueous solutions An improved process for the removal of urea, ammonia, and carbon dioxide from dilute aqueous solutions thereof by hydrolyzing the urea, and thereafter desorbing ammonia and carbon dioxide. The dilute solution containing urea is passed into the top portion...	06/26/1984
4384875	Process and installation for regenerating an absorbent solution containing gaseous compounds The present invention relates to a process for regenerating an absorbent solution, for example an aqueous solution of an alkanolamine, containing acid compounds such as CO2 and/or H2 S, in which said compounds are released by heating...	05/24/1983
4378978	Degassing of liquid mixtures The invention relates to a method of, and system for, degassing a mixture of a liquid first material, e.g. white water, and at least one second material, e.g. paper-making stock, the mixture being regeneratively pumped through cleaning means, e.g. a vorte...	04/05/1983
4268280	Method of continuously degassing water A method of continuously degassing water in which the vapor phase components melted in the water are continuously degassed by heating the water and reducing the pressure of the water. An in-line heater is used to continuously mix saturated steam into wate...	05/19/1981
4248608	Process for purifying liquids and/or regenerating absorbent solutions The process for the purification of liquids and in particular the regeneration of spent absorbent solutions is essentially based on the use of a first preliminary regeneration zone to which the entire solution to be purified is delivered and the use of tw...	02/03/1981
3946534	Process of blanketing with inert gas A process for substantially eliminating dissolved oxygen from a liquid and from a shipping container therefor by purging the container with inert gas, pressuruzing with the gas to about at least 10 psig and then releasing the pressure, repeating the press...	03/30/1976

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Class 95/246 - And reduction of pressure (e.g., flashing, etc.)