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Class 95/245 - By stripping with gas


Subclass of Class 95 - Gas separation: processes
Definition: Process in which in at least one of the degasifying steps
No. of patents: 43
Last issue date: 05/20/2008


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NumberTitleIssue Date
7374602System and method of water treatment
The present invention generally offers a system and a method that allows a vessel to treat water while providing corrosion inhibition. An oxygen stripping gas source produces oxygen stripping gas that may be pumped directly to, preferably but optionally, a venturi i...
05/20/2008
7282081Method and apparatus for high efficiency multi-stage packed tower aeration with PH adjustment and reutilization of outlet air
Disclosed is an improve aeration system. The aeration system of the present invention more efficiently removes contaminates, such as hydrogen sulfide, from water. The increased efficiency is achieved by adjusting the pH level of the water in between sequential mass ...
10/16/2007
7255728Apparatus and method for degassing liquids
Apparatus and method for degassing liquids particularly cationic monomers. Fluid comprising liquid to be degassed together with sweep gas is admitted tangentially into a column (10) and forced down the column by a tubular baffle (16) which defines, wit...
08/14/2007
7163636Multi-phase separation system
A multi-phase separation system utilized to remove contaminants from fluids includes a pre-filtering module for filtering a contaminated fluid to provide a filtered contaminated fluid. A condenser module receives the filtered contaminated fluid and a contaminated ga...
01/16/2007
7150793Method 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
7125438Method 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
7118362Pellet-type foams of non-crosslinked polypropylene resin having lower melting point and process and device for producing the same and molded foams therefrom
The present invention relates to a pellet-type non-crosslinked polypropylene foam having a melting point of 125 to 140° C., and a process and device for producing said foam. Since the pellet-type foams of non-crosslinked polypropylene of the present invention has a...
10/10/2006
7087157Multi-phase separation system
A multi-phase separation system utilized to remove contaminants from fluids includes a pre-filtering module for filtering a contaminated fluid to provide a filtered contaminated fluid. A condenser module receives the filtered contaminated fluid and a contaminated ga...
08/08/2006
7066988Segmented plate for assembly within a confined area having limited access
A segmented plate adapted for assembly within a confined area or volume, and a method of assembly of the segmented plate. The plate, as assembled, has an exterior perimeter that includes exterior edge-boundaries of a plurality of generally rigid plate-sections, each...
06/27/2006
6974546Diffuser/emulsifier for aquaculture applications
A method of treatment of water in an aquatic environment. Water is first pumped from a reservoir to a first mixing station. An inert gas is introduced into the pumped water at the first mixing station to provide inert gas saturated water, which inert gas saturated w...
12/13/2005
6878188Method and apparatus for removing VOCs from water
A method and apparatus for removing volatile contaminants, such as methyl tertbutyl ether (MTBE), from water or other supplies of liquid. In one embodiment of the invention, a gas is sparged through a helical flow of liquid to strip away contaminants. The flowrate o...
04/12/2005
6712882Process for the purification of industrial waste water from a propylene oxide production process
A process for treating waste water from an industrial process for producing propylene oxide, which process involves the steps of: (a) subjecting the waste water to a multi-effect evaporation treatment resulting in a vaporous top fraction and a liquid bottom fraction...
03/30/2004
6666967Defoaming and air-water treating device
An object of the present invention is to efficiently remove foam produced in water by the aeration. Further, another object of the present invention is to improve water and air. Said objects can be attained by providing a foam removing apparatus consistin...
12/23/2003
6644334Method and system for reducing the viscosity of crude oil employing engine exhaust gas
A method and system for treating crude oil to improve its flowability includes operating an internal combustion engine to produce exhaust gas, reducing the temperature of the exhaust gas, injecting cooled exhaust gas into a separator in which water is ext...
11/11/2003
6558452Method for obtaining ammonia from waste water containing NH3 and acid gases
Ammonia is recovered from waste water containing NH3, at least one acid gas (CO2, H2 S) and inert gases. Firstly, the waste water is passed through a pretreatment column and then, at least in part, into a total stripping c...
05/06/2003
6547855Mass 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
6491828Method and system to remotely monitor groundwater treatment
A contaminated aqueous composition is withdrawn from a groundwater extraction well and the groundwater is treated in a pump and treat system to remove a contaminant. The treating of the aqueous composition is monitored from a location remote from the grou...
12/10/2002
6451210Method and system to remotely monitor a carbon adsorption process
In a method for treating a contaminated fluid stream, a characteristic of a flow of the composition to a carbon adsorption zone is sensed. The sensing is remotely monitored to determine a treatment for the contaminated fluid stream. The contaminated fluid...
09/17/2002
6277175Method 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
6245129Apparatus for removing solvents, system for removing solvents, method for removing solvents, and method for producing toners for use in developing electrostatic charge images
An apparatus for removing solvents, utilizing a solvent removal unit equipped with an upper liquid supporting member provided with a bottom portion which supports the solvent suspension and which is provided with an opened hole, and a lower liquid support...
06/12/2001
6152989Method and apparatus for concentrating solution
A solute and a solvent with close boiling points or close polarities are separated and concentrated by vaporizing at least one of the solvent and solute, and selectively adsorbing the vaporized component in an apparatus having a vessel, and an absorbent w...
11/28/2000
6123750Spray and aeration system for removing volatile compounds
An aeration system for removing radon and other volatile compounds from a water or other liquid source. Water supplied from a well and/or water pressure/storage tank enters an aeration tank and is sprayed through a clog resistant nozzle. The nozzle create...
09/26/2000
5788843Method and installation for treating water
A structure for treating water used in public water supplies for removing dissolved gases. The installation includes a closed outer tank for storage of water and a vented inner tank for water aeration contained at least partially within the outer tank. Th...
08/04/1998
5768329Apparatus for accelerator production of tritium
Improved efficiency process for preparing or breeding tritium gas from dense molten lithium alloy by bombardment of the alloy as a target material using a linear accelerator emitting a high energy proton beam to generate a neutron flux. The invention invo...
06/16/1998
5634963Degassing 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
5614086Method and apparatus for removing contaminants from a water supply
A bubble aeration system and method for removing radon and other contaminants from domestic or commercial water supplies in a single tank having a baffle arrangement or channels creating a sinuous water path for a more effective separation of radon from t...
03/25/1997
5122165Removal of volatile compounds and surfactants from liquid
A process system and apparatus for removal of toxic volatile organic compounds (VOCs), volatile inorganic compounds (VICs) and surfactants from a contaminated liquid stream, more particularly groundwater, by a combination of pH adjustment, chemical reacti...
06/16/1992
5096599Process for purifying the effluent from urea production plants
A process for purifying the effluent originating from urea production plants, consisting of three successive treatment stages, namely stripping of the volatile components, thermal hydrolyis of the urea and biuret in a plurality of zones traversed with pis...
03/17/1992
4808319Method for removing a slime deposit from packing material inside a tower
Air stripping is a common technique used to remove organic impurities from water found in underground aquifers. When this technique is used, bacteria already present in the underground water, and bacteria and oxygen introduced into the water by the incomi...
02/28/1989
4752306Method and apparatus for treating liquid/gas mixtures
Provided is a system for treatment of and mass transfer in liquid/gas mixtures, especially removal of oxygen from seawater to be injected into deep structures to increase the production of underground hydrocarbon resources. The oxygen removal is performed...
06/21/1988
4715869Degassing of liquids
A rotary device comprising a rotor which comprises (i) a first annular compartment in which is disposed a permeable element, and (ii) a second annular compartment and which is adapted such that a liquid to be degassed flows radially outwards, in counter-c...
12/29/1987
4412924Water purification system
The invention pertains to a method and apparatus for processing contaminated water containing high concentrates of volatile and soluble inorganic and organic compounds and ion reaction complexes thereof, and particularly pertains to the removal of high co...
11/01/1983
4377395Process and apparatus for gassing liquids
The invention provides a process for multistep gassing of liquids streaming downward in a gassing apparatus, which comprises using a gassing apparatus consisting of at least two superposed downstream parts, wherein the gas is fed in at the upper end of ea...
03/22/1983
4370151Process and apparatus for gassing liquids
The invention provides a process for multistep gassing of liquids streaming downward in a gassing apparatus, which comprises using a gassing apparatus consisting of at least two superposed downstream parts, wherein the gas is fed in at the upper end of ea...
01/25/1983
4358296Deoxygenating apparatus and method
Deoxygenating apparatus and method for use with a system for producing deoxygenated beverages comprises a deoxygenating column with stacked units each comprising a distributor plate and a subjacent shallow tray, both of which are perforated for downward d...
11/09/1982
4352680Process and/or facility for driving off dissolved, corrosive gaseous constituents from watery solutions
A process for separating dissolved corrosive gases from aqueous solutions, e.g., scrubbing waters from a coking operation, is disclosed. The process involves directly contacting the solution with a hot liquid heat exchange medium, such as drops of heating...
10/05/1982
4352679Deoxygenating equipment and method of operation
A method of simultaneously completely deoxygenating and partially carbonating a supply of water is disclosed. The method includes the steps of receiving and metering a flow of water, injecting at a positive pressure a first flow of carbon dioxide gas into...
10/05/1982
4341640Urea hydrolysis
The process for the purification of urea containing waste streams is improved by conducting the purification in a vessel having at least one treating zone wherein the urea containing waste stream is both hydrolyzed and stripped of the products of the urea...
07/27/1982
4325782Apparatus for regenerating absorbent and method of operating the apparatus
An apparatus for the regenerating of absorbent is disclosed wherein the apparatus comprises a regenerating column provided with mass transfer-promoting elements. The regenerating column comprises an upper regenerating zone which can be shut down and is pr...
04/20/1982
4260398Countercurrent sparger
The disclosure describes process and apparatus for removing dissolved oxgyen from a liquid wherein the liquid is countercurrently contacted by a sparging gas as the two flow circumferentially through a cylindrical column. The invention applies generally t...
04/07/1981
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