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Refrigeration > Cryogenic Treatment Of Gas Or Gas Mixture > Separation Of Gas Mixture

Separation Of Gas Mixture

Separation Of Gas Mixture patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

09/18/14 - 20140260419 - Method of controlling secondary condenser duty
A portion of the overhead vapor from a distillation column is used to heat a process stream. The temperature and flow rate of the stream out of a heat exchanger are controlled so that the vapor is condensed....

09/04/14 - 20140245781 - Purification of argon through liquid phase cryogenic adsorption
The invention relates to a process for removing oxygen from liquid argon using a TSA (temperature swing adsorption) cyclical process that includes cooling an adsorbent bed to sustain argon in a liquid phase; supplying the adsorbent bed with a liquid argon feed that is contaminated with oxygen and purifying the...

08/07/14 - 20140216104 - Method and device for dehydrating a co2 containing gas
Proposed is a method for dehydrating a CO2 containing gas (1) by cooling the gas (1) and separating the condensed water from the gas (1), wherein the gas is contacted with liquid CO2 to condense water contained in the gas (1) and the condensate is separated from the remaining gas....

07/31/14 - 20140208798 - Apparatus and integrated process for separating a mixture of carbon dioxide and at least one other gas and for separating air by cryogenic distillation
An integrated apparatus for separating a mixture of carbon dioxide and at least one other gas and for separating air by air distillation is provided. The apparatus includes a CO2 separation unit configured to separate the mixture, an air separation unit configured to separate air by cryogenic distillation, a water...

07/24/14 - 20140202206 - Methods and equipment for treatment of odorous gas steams
A method for removing noxious, hazardous, toxic, mutagenic, and/or carcinogenic compounds and/or precursor compounds from a comingled gas, liquid and/or solid stream is described. In one embodiment, the method includes optionally passing the stream through an ambient temperature condenser followed by passing the stream through a spray venturi scrubber, a...

07/17/14 - 20140196499 - Stripper overhead heat integration system for reduction of energy consumption
A stripper heat integration system includes a first heat exchanger; a second heat exchanger; and a refrigerant loop comprising a refrigerant and configured for flow of the refrigerant therein. The refrigerant loop is in communication with the first heat exchanger and the second heat exchanger. The stripper heat integration system...

07/10/14 - 20140190206 - Method for purification of carbon dioxide using liquid carbon dioxide
The present invention relates to a method for removing at least one contaminant from a gaseous stream substantially comprising carbon dioxide. More specifically said method includes the step of subjecting the gaseous stream to an absorption step in which the absorbent is liquid carbon dioxide....

06/19/14 - 20140165648 - Purification of inert gases to remove trace impurities
A method for purifying an argon stream is provided. The method includes pretreating an argon waste stream to remove impurities to provide a pre-treated argon waste stream having argon, nitrogen, and hydrogen; cooling the argon waste stream to create a cold feed stream; and condensing the cold feed stream to...

06/19/14 - 20140165649 - Purification of inert gases to remove trace impurities
An argon purification system is provided which includes a cryogenic heat exchanger, a cryogenic distillation column. The cryogenic heat exchanger is configured to remove heat from a pre-treated argon waste stream to create a cold feed stream. The cryogenic distillation column includes packing, a reboiler, and an overhead condenser, as...

06/05/14 - 20140150493 - Process and apparatus for removing heat and water from flue gas
Disclosed is a process for use with flue gas having a moisture content M. The flue gas is introduced to strong brine adapted to exothermically absorb moisture. Simultaneously, heat is withdrawn. This produces heat, water-enriched brine and a gas having a moisture concentration less than M. The strong brine can...

05/29/14 - 20140144178 - Optimized heat exchange in a co2 de-sublimation process
The present invention is a process for removing carbon dioxide from a compressed gas stream including cooling the compressed gas in a first heat exchanger, introducing the cooled gas into a de-sublimating heat exchanger, thereby producing a first solid carbon dioxide stream and a first carbon dioxide poor gas stream,...

05/22/14 - 20140137598 - Scrubber system with moving adsorbent bed
A regenerative carbon dioxide removal system (38) is provided onboard the container (10) through which air from within the cargo box (12) may be circulated for removing at least a portion of the carbon dioxide present in the air. The regenerative carbon dioxide removal system (38) includes a scrubber module...

05/08/14 - 20140123700 - Heat integration for cryogenic co2 separation
The present invention relates to a flue gas treatment system for removing CO2 from a flue gas stream wherein the system includes a flue gas compressor, at least one flue gas adsorption drier, a refrigeration system and a stripper column allowing distillation. Also a method for condensation of carbon dioxide...

04/17/14 - 20140102134 - Tubular condensers having tubes with external enhancements
Improvements in tubes, which increase the heat exchange capacity of tubular heat exchangers using the tubes, are described. These improvements involve the use of one or more external surface enhancements, optionally combined with an internal enhancement and/or differing tube geometries. These improvements apply, for example, to internal condensers, including those...

02/13/14 - 20140041412 - Carbon dioxide capture and liquefaction
An energy-efficient method of recovering carbon dioxide (CO2) in a liquid state from a high-pressure gas stream is provided. The method includes cooling, condensing, and/or separating CO2 from a high-pressure gas stream and further purifying the resulting liquid CO2 in a purification zone to thereby provide a purified CO2 product....

01/09/14 - 20140007614 - System and method for gas treatment
A system includes an acid gas removal (AGR) system configured to remove an acid gas from an untreated syngas to generate a treated syngas, a hydrogen separation system configured to receive the treated syngas to generate a non-permeate and a permeate, and an expander configured to expand the non-permeate to...

01/09/14 - 20140007615 - System and method for purification of silane using liquid nitrogen in a polysilicon production process
A system and method for improved cryogenic cooling of process streams in polysilicon manufacturing is provided. The disclosed system and method provides for the cryogenic cooling of a silane and hydrogen process stream during the manufacture of polysilicon with concurrent recovery of refrigeration capacity from the vaporized nitrogen as well...

01/02/14 - 20140000310 - System and method for cryogenic cooling of a process stream with enhanced recovery of refrigeration
A system and method for improved cryogenic cooling of process gases is provided. The disclosed system and method provides for the cryogenic cooling of a silane and hydrogen gas process stream during the manufacture of polysilicon with concurrent recovery of refrigeration capacity from the vaporized nitrogen as well as the...

01/02/14 - 20140000311 - Method for controlling acidic compounds produced for oxy-combustion processes
The present invention relates generally to the field of emissions control and, in particular to a new and useful method and/or system by which to control, treat and/or mitigate various liquid-based acidic compounds that are produced during oxy-combustion (e.g., during a compression step and/or cooling step) from various gaseous acid...

12/12/13 - 20130327086 - Method for the simplified removal of a reaction product from reaction gas mixtures using at least two-fold partial condensation
The present invention relates to a process for simplified separation of a reaction product (P) from reaction gas mixtures by means of partial condensation of the reaction gas mixture consisting of the reaction product (P), at least one high boiler (H) and at least one low boiler (L)....

11/28/13 - 20130312456 - Method of recovering ammonia and method of recycling ammonia by using the same
There are provided methods capable of easily and efficiently recovering and recycling ammonia from exhaust gas containing a small amount of ammonia, the exhaust gas being exhausted from a production process of a gallium nitride compound semiconductor. The method of recovering ammonia includes filtering exhaust gas containing ammonia, hydrogen, nitrogen,...

11/14/13 - 20130298599 - Method for drying a wet co2 rich gas stream from an oxy-combustion process
A method for drying a wet CO2 rich gas stream from an oxy-combustion process that includes: compressing the wet CO2 rich gas stream to a drying process operating pressure, cooling the wet CO2 rich gas stream in at least one cooler, alternately drying the wet CO2 rich gas stream in...

11/14/13 - 20130298600 - Process and apparatus for production of ammonia synthesis gas and pure methane by cryogenic separation
A process for the production of ammonia synthesis gas and pure methane by cryogenic separation of a feed gas containing at least 75% hydrogen as well as methane and nitrogen, the feed gas is cooled in a heat exchanger and partially condensed, the partially condensed feed is sent to a...

10/31/13 - 20130283852 - Method and systems for co2 separation
A method for separating carbon dioxide (CO2) from a gas stream is provided. The method includes cooling the gas stream in a cooling stage to form a cooled gas stream and cooling the cooled gas stream in a converging-diverging nozzle to form one or both of solid CO2 and liquid...

09/12/13 - 20130233015 - Carbon dioxide recovery apparatus and carbon dioxide recovery method
In one embodiment, a carbon dioxide recovery apparatus includes a heat exchanger which heats a first rich liquid, a flow divider which divides the first rich liquid heated by the heat exchanger into a second rich liquid and a third rich liquid, a first release device which heats the second...

08/15/13 - 20130205829 - Process and device for treating flue gases
A process and a device for treating a carbon dioxide-containing flue gas stream are described. At least a part of the carbon dioxide present is removed from the flue gas stream by means of a scrubber, forming a low carbon dioxide gas stream and a high carbon dioxide gas stream....

08/15/13 - 20130205830 - Cryogenic variable liquid production method
A method of producing a liquid product stream, for example, a liquid nitrogen product stream, at a production rate that is selectively varied. This variation is produced in either a waste expansion or air expansion process by increasing the pressure and flow rate of the feed stream during periods in...

07/04/13 - 20130167583 - Method and installation for liquefying flue gas from combustion installations
A method and a plant for producing liquid CO2 from flue gas as described with reduced energy consumption and a stable behaviour....

06/27/13 - 20130160488 - Process and apparatus for drying and compressing a co2-rich stream
A process for compressing a CO2-rich fluid containing water. The CO2-rich fluid is compressed in a compressor; upstream of the compression step, an antifreeze is mixed with the CO2-rich fluid containing water. The CO2-rich fluid containing antifreeze is cooled, water is separated from the cooled fluid and the water-depleted cooled...

06/06/13 - 20130139545 - Aerodynamic separation nozzle
Multiple designs and methods for aerodynamic separation nozzles and systems for integrating multiple aerodynamic separation nozzles into a single system are disclosed herein. These aerodynamic separation nozzles utilize a combination of aerodynamic forces and separation nozzle structure to induce large centrifugal forces on the gases that in combination with the...

05/30/13 - 20130133363 - High pressure recovery of carbon dioxide from a fermentation process
The present invention relates to a method for recovering carbon dioxide from a gaseous stream originating from a fermentation process by compression, absorption, condensation and distillation, wherein at least the absorption and condensation is performed under a high pressure of at least 30 bar....

05/16/13 - 20130118205 - Separation of a gas mixture
A method is described for use in the separation of carbon dioxide from a gas mixture comprising carbon dioxide. The method includes the steps of: (i) compressing and cooling the gas mixture using a compressor to form a two-phase mixture including liquid carbon dioxide (ii) separating a liquid carbon dioxide...

05/09/13 - 20130111948 - Purification of carbon dioxide
Refrigeration duty in a carbon dioxide purification unit (CPU) operating at elevated pressure and sub-ambient temperature can be provided in at least a first part by indirect heat exchange against at least latent heat of at least one liquid first refrigerant, preferably carbon dioxide liquid(s) produced in the CPU, thereby...

05/09/13 - 20130111949 - Carbon dioxide purification
A process for the recovery of carbon dioxide from a gas mixture that includes pretreating a gas mixture comprising carbon dioxide, water vapor, and one or more light gases in a pretreating system to form a cooled gas mixture, fractionating the cooled gas mixture to recover a bottoms fraction comprising...

04/25/13 - 20130098104 - Method and system for condensing water vapour from a carbon dioxide rich flue gas
A gas cleaning system is operative for removing water vapour from a carbon dioxide rich flue gas generated in a boiler combusting a fuel in the presence of a gas containing oxygen gas. The gas cleaning system comprises a flue gas condenser (12) being operative for condensing water from at...

04/25/13 - 20130098105 - Cryogenic systems for removing acid gases from a hydrocarbon gas stream using co-current separation devices
A system for removing acid gases from a raw gas stream is provided. The system includes a cryogenic distillation column. The cryogenic distillation column receives a dehydrated and chilled sour gas stream, and separates the sour gas stream into an overhead gas stream comprised primarily of methane, and a bottom...

03/07/13 - 20130055756 - Carbon dioxide gas recovery device
A carbon dioxide gas recovery device is provided which includes an absorption tower causing an absorbent to absorb carbon dioxide gas to generate a rich absorbent and a regeneration tower regenerating a lean absorbent by heating the rich absorbent to separate carbon dioxide gas therefrom. The regeneration tower includes a...

02/28/13 - 20130047665 - Process and apparatus for producing hydrogen and carbon monoxide
Apparatus and process for producing a hydrogen-containing product stream and a carbon monoxide-containing product stream from a crude synthesis gas produced in a syngas production unit. Carbon dioxide is removed from the process gas by a non-cryogenic means and the hydrogen-containing product stream is separated from the process gas in...

02/14/13 - 20130036764 - Apparatus and process for the separation of gases using supersonic expansion and oblique wave compression
The disclosure provides an apparatus and method for gas separation through the supersonic expansion and subsequent deceleration of a gaseous stream. The gaseous constituent changes phase from the gaseous state by desublimation or condensation during the acceleration producing a collectible constituent, and an oblique shock diffuser decelerates the gaseous stream...

01/03/13 - 20130000349 - Apparatus and methods for the recovery of hydrocarbonaceous and additional products from oil shale and sands via multi-stage condensation
A system for recovering products from a gas stream comprises a cooled chamber having an inlet that feeds the gas stream to a plurality of sequential conduit loops within the chamber. A critical orifice follows each loop, and each loop includes an output port. Based upon the physical characteristics of...

12/06/12 - 20120304688 - Refinery gas upgrading via partial condensation and psa
A process and system for recovering valuable by-products (e.g., hydrogen) from refinery gas streams. For hydrogen-only recovery, the invention comprises a partial condensation step to upgrade the refinery fuel gas to a minimum of 60% hydrogen, which is further purified in a pressure swing adsorption process. When configured to recover...

12/06/12 - 20120304689 - Method for separating a cleaned useful gas from a gas mixture, and device for carrying out said method
A method is provided for separating a cleaned useful gas from a gas mixture substantially containing carbon dioxide, at least one useful gas, and at least one hazardous substance. The carbon dioxide is condensed, and the liquid carbon dioxide that is enriched with the hazardous substance is separated from the...

11/29/12 - 20120297821 - Systems and methods for separating condensable vapors from light gases or liquids by recruperative cryogenic processes
Methods and systems of the current invention separate condensable vapors such as carbon dioxide from light gases or liquids in a mixed process stream. The separation is carried out in a cryogenic process using one or more external cooling loops (ECLs) that first cool down a mixed process stream containing...

11/29/12 - 20120297822 - Separation of gases
A process for separating sour shifted synthesis gas feedstock into liquid carbon dioxide, a gaseous hydrogen-containing gas and separated sulphur-containing components includes the steps of a. scrubbing the sour shifted gas elevated pressure with an alcohol solvent in a first scrubber and separately recovering an alcohol stream containing the sulphur-containing...

11/22/12 - 20120291480 - Liquid carbon dioxide refrigeration system
A liquid carbon dioxide refrigeration system is provided. The refrigeration system may include a storage tank arranged for storing liquid carbon dioxide, and a vessel arranged to separate carbon dioxide into a vapor carbon dioxide portion and a liquid carbon dioxide portion. A first conduit is coupled to the storage...

11/15/12 - 20120285194 - Dry dust removal method in organic chlorosilane production
Dry dust removal method in organic chlorosilane production is provided, in which the detailed steps are as follows: delivering high-temperature flue gas (a) from fluidized bed reactor (I) into inorganic film cross-flow filter (E) to remove dust for the first time; delivering the concentrated dust gas (c) trapped by inorganic...

11/15/12 - 20120285195 - Separation of gases
A method of separating a carbon-dioxide-rich liquid stream from a synthesis gas including carbon dioxide and hydrogen, includes carrying out a first cooling step to cool a synthesis gas feed stream using at least one heat exchanger such that a first two-phase mixture is formed. The first two-phase mixture is...

11/08/12 - 20120279254 - Method for cryogenically separating a mixture of nitrogen and carbon monoxide
A method for separating a feed gas, containing nitrogen and carbon monoxide as main components, in a distillation column: the feed gas is cooled in a heat exchanger; at least a portion of the feed gas, or at least a portion of a gas derived from the feed gas, is...

11/01/12 - 20120272680 - Method and apparatus for drying and compressing co2-rich flow
In a method for compressing a water-containing CO2-rich fluid wherein the CO2-rich fluid is compressed in a compressor located upstream from the compression step, an antifreeze agent is injected into the water-containing CO2-rich fluid in order to lower the water solidification temperature. The antifreeze agent-containing CO2-rich fluid is frozen, water...

09/27/12 - 20120240619 - Method and device for treating a carbon-dioxide-containing gas flow, wherein the energy of the vent gas (work and cold due to expansion) is used
The invention relates to a method and a device for treating a carbon-dioxide-containing gas stream, in particular from a large-scale fired plant, e.g. from a power plant. The precompressed gas stream is separated in a carbon dioxide purification stage into a gas substream having an elevated carbon dioxide content (carbon...

09/13/12 - 20120227440 - System and process for the physical absorption of carbon dioxide from a flue gas stream
Disclosed herein is a system comprising a first heat exchanger; the first heat exchanger being operative to reduce a temperature of a carbon dioxide rich flue gas stream to about −100 to about −60 C; an absorber; the absorber being located downstream of the first heat exchanger; wherein the absorber...

09/13/12 - 20120227441 - High pressure high co2 removal configurations and methods
CO2 is removed from high-pressure feed gas in configurations and methods according to the inventive subject matter by contacting feed gas with cooled semi-rich solvent to form a two-phase mixture that is flashed into the bottom section of an absorber. Rich solvent from the absorber is then reduced in pressure...