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7625438 |
Method and device for removal of gases from water
A method and device are provided for reducing the oxygen content of seawater, where the seawater is introduced into the upper part ( 14 ) of a downcomer ( 12 ), particularly for treatment of...
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7503961 |
Boiler feed water deaerator method and apparatus
A nitrogen sweep stream for use in a deaerator during deaerator operations to disperse and remove oxygen and carbon dioxide from boiler feed water prior to being fed to a boiler. The nitrogen sweep...
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7488372 |
Process for inhibiting deposition of solids from a gaseous stream
The present invention relates to a process for degassing an aqueous solution containing a hydroformylation product and separating a volatile metal species from gaseous stream to inhibit or prevent...
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7374602 |
System 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...
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7255728 |
Apparatus 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...
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7153343 |
Fuel deoxygenation system
A fuel system for an energy conversion device includes a deoxygenator system with a porous membrane. The deoxygenator includes an oxygen receiving channel separated from the fuel channel by the...
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6981997 |
Deaeration of water and other liquids
Liquid such as water is deaerated by dissolving stripping gas such as carbon dioxide into the water while maintaining pressure, reducing the pressure, and then feeding the liquid into a vessel...
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6918950 |
Apparatus and method for reducing residual solvent levels
Apparatus and methods for reducing residual solvent levels in extracted biomass that is contaminated with HFC solvent that includes sparging the biomass extract with a solvent stripping gas such as...
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6846422 |
Sludge stripping process and system
A method and system for removing volatile organic compounds (VOCs) from sludge advantageously utilizes a stripper for removing the VOCs directly from the sludge to convert the sludge into a...
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6719823 |
Polishing systems, methods of polishing substrates, and methods of cleaning polishing slurry from substrate surfaces
The invention encompasses polishing systems for polishing semiconductive material substrates, and encompasses methods of cleaning polishing slurry from semiconductive substrate surfaces. In one...
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6716273 |
Method and device for eliminating oxygen contained in aqueous monomer solutions
A continuous process for removing oxygen from aqueous monomer solutions, including flowing an inert gas and a monomer solution in a column-shaped apparatus as a countercurrent, wherein the monomer...
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6344588 |
Process for the preparation of urea
In the present process for the preparation of urea, an off-gas stream released during the synthesis of melamine in a high-pressure melamine process which consists predominantly of ammonia and...
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6193786 |
Portable oil degasification apparatus
The present invention provides methods and devices for reducing the concentration of combustible gases in oils. The methods and devices of the invention are of particular use in reducing the...
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6176899 |
Water treatment process for neutralizing gas supersaturation
A method of degassing a volume of supersaturated liquid is provided which comprises introducing a plurality of microbubbles of gas substantially near the bottom of the volume of supersaturated...
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6174506 |
Carbon dioxide recovery from an oxygen containing mixture
A process for recovering carbon dioxide from a gas containing both carbon dioxide and oxygen wherein a carbon dioxide and oxygen containing gas is first contacted with an alkanolamine solution to...
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5855861 |
Method and apparatus for making aqueous chlorine dioxide
A method of forming an aqueous chlorine dioxide solution is disclosed which includes reacting in a reaction vessel an acid reaction solution containing a hydroxy carboxylic acid and a companion...
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5772731 |
Treatment of liquors
A process of removing carbon dioxide from a liquor in a vessel comprises the step of continuously passing a portion of the liquor into a sidestream and introducing discrete bubbles of between 0.005...
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5766321 |
Apparatus for reducing dissolved oxygen
Disclosed is a dissolved oxygen reducing apparatus which enables supplying a liquid containing very small amounts of dissolved oxygen. The dissolved oxygen reducing apparatus includes a bubbling...
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5565108 |
System for the control and retardation of the growth of algae
A method of retarding the growth of algae in aqueous solution is disclosed. An aqueous medium is moved along a flow path in a direction terminating at an aqueous solution into which the aqueous...
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5458789 |
Removal of organics from aqueous waste streams
Apparatus and process for removing relatively low levels of components, particularly organic components found in an aqueous stream in one or more stripping zones located in a process unit. An...
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5389126 |
Process for removal of components from liquids in batch mode
A process for removing components from liquid is disclosed. This process involves batchwise gas-stripping followed by membrane separation treatment of the stripping gas. The stripping step can be...
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5314613 |
Process and apparatus for oil decontamination
A process and apparatus for the decontamination of oil includes providing a jet compressor having a converging section in which high velocity liquid oil compresses a source of atmospheric pressure...
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5273572 |
Process for removing an organic compound from water
A process for removing organic compounds from water is disclosed. The process involves gas stripping followed by membrane separation treatment of the stripping gas. The stripping step can be...
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5180403 |
Method for vacuum deaeration
A method for vacuum deaeration of a dissolved gas in a pure water, the pure water having a specific resistivity of not less than 0.1 MΩcm, in a vacuum degasifier column maintained at a...
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5080695 |
Method of removing hydrogen sulfide from liquid sulfur
Degasification of liquid sulfur produced by the Claus process to remove hydrogen sulfide. The liquid sulfur is caused to flow continuously through a vessel where it is contacted by a...
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5015273 |
Foam breaker and method
An apparatus and method for breaking up a mixture of gas and liquid forming a foam returning from an oil and/or gas well. The foam breaker includes a housing having a bore for receiving the foam...
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4772319 |
Process for treating molten aluminum to remove hydrogen gas and non-metallic inclusions therefrom
Hydrogen gas and non-metallic inclusions are removed from molten aluminum by a process comprising the steps of rendering the portion above the surface of molten aluminum in a treating vessel where...
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4758654 |
Method for treating resin in a purge vessel
A method for removing unpolymerized gaseous monomers from a solid olefin polymer in a single purge vessel while deactivating Ziegler-Natta catalysts and organometallic catalyst residues present in...
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4715869 |
Degassing 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...
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4699886 |
Method of preparing gas samples from liquids initially containing such gases
A method is provided for continuous quantitative analysis of H 2 S dissolved in crude oil. The liquid is injected into a mixing chamber 14 in the form of a microsprayed mist meeting a nitrogen...
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4613347 |
Water deaeration process
A process for deaerating water in an upright column immersed in a body of water and equipped at its lower end with an electrical pump which, essentially, provides the water lift in the column,...
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4612021 |
Contacting a gas and a liquid to remove an unwanted gas
Sea water containing dissolved oxygen is pumped through a main gas ejector (4) supplied with nitrogen. During flow of the sea water and entrained nitrogen from the main gas ejector (4) to an...
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4597833 |
Process for the removal of dissolved gas from an aqueous solution of ethylene oxide
A process for the removal of gases dissolved in an aqueous solution containing up to about 15% by weight of ethylene oxide and up to about 0.5% by weight of dissolved gases which are selected from...
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4547293 |
Process for removal of ammonia and acid gases from contaminated waters
Contaminating basic gases, i.e., ammonia, and acid gases, e.g., carbon dioxide, are removed from process waters or waste waters in a combined extraction and stripping process. Ammonia in the form...
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4365978 |
Storage of liquid hydrocarbons in salt dome caverns
Liquid hydrocarbons are stored in salt dome caverns containing brine after first stripping the brine of contaminating gases such as oxygen and carbon dioxide by sparging a decontaminating gas such...
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4259360 |
Deoxygenation of liquids
A system for significantly reducing the dissolved oxygen content of a liquid. Liquid is pumped from a supply source to a deoxygenation chamber through a line containing a sparger for injecting a...
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4136747 |
Method and means for reduction of oxygen content in drilling fluid
A method and means for using nitrogen exhaust gases or gaseous mixtures of combustible products for reduction of oxygen in drilling fluids during the drilling of well bores and which comprises...
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4017276 |
Deoxygenation of water
Seawater is deoxygenated with a nitrogen stripping gas, with the nitrogen stripping gas containing stripped oxygen, being subjected to low temperature fractionation to separate oxygen from the...
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3977972 |
Method and apparatus for reclaiming contaminated liquid
Seal oil contaminated with H 2 S has air or N 2 bubbled therethrough for reducing the H 2 S content of the liquid. The bubbling of the gas through the contaminated liquid is achieved by way of a...
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3705477 |
CONDENSATE ANALYZER
A method and apparatus for stripping carbon dioxide from a liquid for use in measuring true acid conductivity of boiler feed condensate. The condensate is passed through a standard Larson-Lane...
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3643403 |
DOWNFLOW BUBBLE CONTACT AERATION APPARATUS AND METHOD
Oxygen deficient water is aerated by dispersing bubbles of air or oxygen gas in a forced downflow of water through a downwardly diverging funnel trapping the bubbles therein for prolonged contact...
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3594987 |
METHOD OF RECOVERING AMMONIA GAS FROM AQUEOUS SOLUTION CONTAINING AMMONIA AND CARBON DIOXIDE
A process for recovering ammonia gas from an aqueous solution containing ammonia and carbon dioxide which comprises countercurrently contacting such aqueous solution with a desorption gas selected...
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3229446 |
Combustion inhibiting method
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3132013 |
Process for treating feed water
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2911067 |
Process for the regeneration of acetylene absorbing liquids
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2781862 |
Cold recovery absorption system
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3725086 |
Title is not available
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