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8182589 |
Acetylene process gas purification methods and systems
Methods and systems of purifying an acetylene process gas are described. The methods may include the steps of providing an acetylene vessel containing source acetylene mixed with a solvent...
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8088258 |
Method for purifying and separating a krypton-xenon mixture by rectification and a device for carrying out said method
The invention relates to cryogenic engineering, in particular to purifying krypton-xenon mixture and is usable in the chemical and oil-and-gas industries. The inventive method comprises purifying...
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8016981 |
Method and apparatus for purifying and separating a heavy component concentrate along with obtaining light gas isotopes
The claimed method and apparatus relate to cryogenic technology, particularly to purifying and separating by distillation a target heavy component concentrate thereby obtaining target components,...
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7947240 |
System and method of carbon capture and sequestration
Systems and methods of capturing and sequestering carbon dioxide, comprising mixing a substantially non-aqueous solvent and an alkali such that the solvent and alkali form a solvent suspension,...
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7913497 |
Desiccant cartridge
The present invention provides a removably attachable compact desiccant cartridge that is useful in lowering the dew point of a medically useful gas, which is liquefied by a cryogenic device. The...
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7871577 |
Process and apparatus for the production of hydrocarbon compounds from methane
Higher molecular weight hydrocarbon compounds or oxygenates are produced from a gas comprising methane in a process comprising the steps of generating synthesis gas (“syngas”) comprising carbon mon...
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7862638 |
Gas supply system for semiconductor manufacturing apparatus
A gas supply system according to the present invention comprises a gas filter disposed in a gas supply flow passage through which a gas is supplied to a semiconductor manufacturing apparatus and a...
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7850763 |
Purification of carbon dioxide
Impure carbon dioxide (“CO2”) comprising a first contaminant selected from the group consisting of oxygen (“O2”) and carbon monoxide (“CO”) is purified by separating expanded impure carbon diox...
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7837767 |
Processes for removing organic components from gases containing hydrogen chloride
Processes comprising: providing a crude gas stream having a temperature not exceeding 40° C., the crude gas stream comprising hydrogen chloride and at least one organic impurity; condensing at ...
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7819951 |
Purification of carbon dioxide
A first contaminant selected from oxygen and carbon monoxide is removed from impure liquid carbon dioxide using a mass transfer separation column system which is reboiled by indirect heat exchange...
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7806965 |
System for separating carbon dioxide from a produced gas with a methanol removal system
Produced natural gas containing carbon dioxide is dehydrated and chilled to liquefy the carbon dioxide and then fractionated to produce a waste stream of liquid carbon dioxide and hydrogen sulfide....
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7793517 |
Multiple reflux stream hydrocarbon recovery process
An ethane recovery process utilizing multiple reflux streams is provided. Feed gas is cooled, partially condensed, and separated into a first liquid stream and a first vapor stream. First liquid...
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7771509 |
Magnetic oxygen concentrator for air streams
A process for separating O2 from air, that includes the steps effecting an increase in pressure of an air stream, magnetically concentrating O2 in one portion of the pressurized air stream, the one...
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7749307 |
Regenerative adsorption processes for removing organic components from gas streams
Process for providing a purified gas stream, comprising: providing a crude gas stream comprising an organic impurity; condensing at least a portion of the impurity from the gas stream to form a...
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7740812 |
Method and apparatus for separating aromatic dialdehyde
The present invention relates to a method and an apparatus for continuously separating aromatic dialdehyde from a reaction mixture obtained by gas-phase oxidation of dimethylbenzene. The method for...
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7716947 |
Apparatus and method for condensing hydrocarbons from natural gas
Apparatus for condensing hydrocarbons, such as but not limited to butane and propane, from a stream of natural gas includes as its primary components a pre-cooler assembly, a chiller assembly, a...
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7713497 |
Low pressure NGL plant configurations
A natural gas liquid plant includes a separator (103) that receives a cooled low pressure feed gas (4), wherein the separator (103) is coupled to an absorber (108) and a demethanizer (110)....
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7707852 |
Process for recovering lower carbon olefins from product gas for production of olefins
The present invention concerns a process for recovering lower carbon olefins from MTO or DTO product gas. Said process primarily comprises the product gas compressing, pre-deethanizing,...
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7708804 |
Process and apparatus for the separation of a gaseous mixture
A process for separating carbon dioxide from a fluid containing carbon dioxide, NO2, and at least one of oxygen, argon, and nitrogen comprises the steps of separating at least part of the fluid...
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7669438 |
Method and apparatus for anesthetic gas reclamation with compression stage
A method and apparatus are disclosed for recovering and separating anesthetic gas components from waste anesthetic gases to be purged from a healthcare facility. Prior to a condensation step, a...
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7666251 |
Carbon dioxide purification method
Method of purifying a feed stream containing carbon dioxide wherein the feed stream after having been compressed and dried is partly cooled and then used to reboil a stripping column. Thereafter,...
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7644595 |
Combined recovery of hydrogen and hydrocarbon liquids from hydrogen-containing gases
A pressure differential of a feed gas (110) between a compressor (120) and expander (160) is employed to cool the feed gas to condense and remove at least a portion of one component to produce a...
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7644594 |
Method and apparatus for self-contained anesthetic gas reclamation
A method and apparatus are disclosed for recovering and separating anesthetic gas components from waste anesthetic gases to be purged from a healthcare facility. With minimal reliance on the...
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7628034 |
Method of low flow anesthetic gas scavenging and dynamic collection apparatus therefor
A method and system for removal of nitrous oxide and volatile halocarbon gas components from waste anesthetic gases using a low-flow scavenging or reclamation system preferably including an...
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7617701 |
Process and installation for providing a fluid mixture containing at least 10% carbon monoxide
In a process for producing a mixture containing at least 10% carbon monoxide (73) by cryogenic separation of a feed gas containing at least carbon monoxide, hydrogen and methane, the feed gas (1)...
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7610775 |
Distillation process using microchannel technology
The disclosed invention relates to a distillation process for separating two or more components having different volatilities from a liquid mixture containing the components. The process employs...
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7596965 |
Anesthetic gas reclamation system and method
A method and system for the fractionation and removal of nitrous oxide and other volatile halocarbon gas components from waste anesthetic gases using liquid oxygen are disclosed. Liquid oxygen is...
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7584629 |
Separation of a substance mixture consisting of hydrogen chloride and phosgene
The invention relates to a process for the partial or complete separation of a mixture comprising hydrogen chloride and phosgene, possibly solvents and possibly low boilers and inerts as are...
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7555917 |
Process for purification of anhydrous hydrogen chloride gas
High boiling contaminants such as chloro-aromatic compounds are removed from a gas by compressing the gas containing the contaminant, cooling the compressed gas to reduce the temperature of the gas...
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7510596 |
Thermal processor with contaminant removal cartridge
A thermal processor includes an oven for thermally developing an imaging media which produces gaseous contaminants during development. The gaseous contaminants includes odorous portions and...
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7493779 |
Method of removing solid carbon dioxide
The invention provides a method of removing solid carbon dioxide from cryogenic equipment, including the steps of: (a) introducing a stream including ethane to the cryogenic equipment to convert...
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7481074 |
Self-contained distillation purifier/superheater for liquid-fill product container and delivery systems
A process and apparatus for the on-site delivery of a gas having improved purity to from a container filled with liquid under pressure and integrated with a purifier. In the process a portion of...
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7467527 |
Method and apparatus for the production of carbon monoxide and/or hydrogen and/or a mixture of hydrogen and carbon monoxide by cryogenic distillation
The invention provides an installation for the production of hydrogen and/or carbon monoxide and/or a mixture of hydrogen and carbon monoxide, by separating a mixture to be processed (1) which...
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7461522 |
Light component separation from a carbon dioxide mixture
A method of separating one or more first light components from a carbon dioxide containing gaseous mixture that contains at least 30 mole percent carbon dioxide. In accordance with the method, a...
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7461521 |
System unit for desorbing carbon dioxide from methanol
The invention relates to a system unit for desorbing carbon dioxide and other impurities from highly pressurized methanol. Said system unit comprises at least one or more expansion vessels arranged...
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7407532 |
Process for separating NH3 , and optionally also CO2 and H2O, from a mixture containing NH3 , CO2 and H2O
The invention relates to a process for separating NH3 from a mixture containing NH3, CO2 and H2O which comprises an NH3 rectification step carried out in a NH3 separation device to which one or...
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7380413 |
Method and installation for separating a mixture of hydrogen and carbon monoxide
A method for simultaneously producing hydrogen and carbon monoxide by subjecting synthesis gas to a decarbonation in a decarbonation unit, and to desiccation in a desiccation unit. After the...
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7351310 |
Rectificative separation of fluids comprising (meth) acrylic monomers
A process for rectificatively separating fluids including (meth)acrylic monomers in a rectification column by directly cooling the vapor including (meth)acrylic monomers rising to the top of the...
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7343759 |
Removal of volatile vapors from a storage vessel
Volatile vapors are removed from a storage vessel by establishing a flow of a stream of volatile vapors from the storage vessel and directing the stream through a first low temperature condenser...
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7337616 |
System for sampling cryogenic liquids, and air separation unit provided with at least one such system
A system for sampling cryogenic liquids, and an air separation unit provided with at least one such system. The cryogenic liquid is introduced into a vaporizer, through heat exchange with the...
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7302812 |
Process for production of isotopes
A process for producing an isotopically enriched compound of a desired isotope includes (a) providing a cryogenic reaction zone containing a catalyst adapted to catalyze an isotope exchange...
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7294327 |
Multi-stage cryogenic acid gas removal
A relatively simple and energy efficient multiple stage cryogenic process for the purification of a hydrogen-rich stream by the removal of acid gases, mainly CO2 and H2S, by method of...
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7269972 |
Plant and method for fractionating and purifying synthesis gas
An plant unit for fractionating and purifying synthesis gas is described, which is comprised of a device for partially condensing synthesis gas and a device for nitrogen washing, whereat the device...
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7266948 |
Method and device for separating gases and/or liquids
Method and device for separating gases and/or liquids in a vertical column (1). The top product (4) of the column (1) is cooled and partly recycled. The bottom product (3) of the column (1) is...
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7263858 |
Method and apparatus for producing a purified liquid
The present invention provides generally a method and apparatus for purifying a liquid. More particularly, purification of a bulk liquid is performed by introducing a liquid stream to a...
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7237407 |
Process and plant for the simultaneous production of an liquefiable natural gas and a cut of natural gas liquids
This process includes the following steps: (a) the feed natural gas (101) is introduced into a first distillation column (31) which produces, as top product, a pretreated natural gas (111), which...
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7231785 |
Column system and process for producing same
Temperature related changes in dimension in a column system, having at least one separating column, a column vessel and a coldbox with coldbox casing, can be compensated for by providing for axial...
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7201019 |
Light gas component separation from a carbon dioxide mixture
A method of separating one or more light components, such as helium, from a carbon dioxide containing stream. A two-phase stream is obtained, at least in part, by cooling a pressurized feed stream...
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7076969 |
System for supply and delivery of high purity and ultrahigh purity carbon dioxide
A system for the supply and delivery of a high or a ultrahigh purity (UHP) carbon dioxide product stream to at least one process tool within a manufacturing facility and method comprising same is...
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7076970 |
System for supply and delivery of carbon dioxide with different purity requirements
A system for the bulk supply and delivery of a carbon dioxide product stream to at least one process tool in a plurality of applications at varying pressure, purity or other process parameter...
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