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WO/2009/063092A2 |
A method of liquefying a hydrocarbon stream, such as natural gas, comprising at least the steps of : (a) partially liquefying a hydrocarbon feed stream (10) to provide a partially liquefied hydrocarbon stream (20); (b) passing the partia...
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WO/2009/064578A2 |
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 ...
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WO/2009/064952A2 |
A liquefied natural gas facility employing a heavies removal column having multiple reflux streams. The reflux streams can have different compositions and can be operable to reduce the critical pressure of the fluids within the heavies r...
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WO/2009/063146A1 |
The invention relates to a heat exchanger formed by: a first heat exchanger portion (E1), a second heat exchanger portion (E2), means (3) for conveying a first fluid to the second heat exchanger portion for cooling, means (5) for conveyi...
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WO/2009/061764A1 |
The present invention is directed to a system for producing and supplying an ultra high purity gas stream continuously, comprising: (a) producing a conventional purity gas stream using an air separation unit; (b) routing the conventional...
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WO/2009/059985A2 |
Method of driving two or more refrigerant compressors in a hydrocarbon cooling process. In such a hydrocarbon cooling process a hydrocarbon feed stream (10) may be passed against partly evaporating refrigerant streams. The at least partl...
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WO/2009/061777A1 |
A method and system for the small-scale production of LNG. The method comprising: configuring a prime mover to be operable communication with a multi-stage compressor; configuring the prime mover to be in fluid communication with an ammo...
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WO/2009/059641A1 |
A process for treating a crude and natural gas stream, which at least comprises the steps of: (a) passing a crude and natural gas stream (10) through an inlet (12) into a stabilization unit (14) to provide a stabilizer content (20); (b) ...
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WO/2009/050175A1 |
A method of controlling one or more refrigerant compressors (12) for one or more gaseous streams (10) at a normal operating temperature. At least one refrigerant compressor (12) has a vapour recirculation line (30). A compressor feed str...
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WO/2009/052042A1 |
Systems and method of treating a gas stream are described. A method of treating a gas stream includes cryogenically separating a first gas stream to form a second gas stream and a third stream. The third stream is cryogenically contacted...
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WO/2009/050178A2 |
A hydrocarbon stream (5) is heat exchanged against one or more at' least, partially condensed refrigerant streams (20e) to provide a cooled hydrocarbon stream (6) and an at least partly evaporated refrigerant stream (8) at a pressure P1....
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WO/2009/048869A1 |
A process for producing LNG from high CO2 natural gas. The process includes: separating methane from a hydrocarbon stream containing CO2 to produce a methane-depleted hydrocarbon stream; subjecting the methane-depleted hydrocarbon stream...
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WO/2009/048871A1 |
A process and system is provided for removing total heat from a base load LNG liquefaction facility by using a hybrid cooling process. After liquefying a gas such as natural gas with a refrigerant, the refrigerant is transferred to a com...
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WO/2009/047341A1 |
The invention provides a process for the separation of CO2 from a gaseous feed stream, comprising the subsequent steps of: a) cooling a porous body in the form of a fixed bed (101,102,103) to a temperature below the sublimation temperatu...
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WO/2009/045832A2 |
A method for liquefying natural gas using the pressure energy of the natural gas, wherein flash vapor from natural gas depressurization is employed in a refrigeration cycle for subcooling high pressure natural gas prior to flashing.
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WO/2009/044065A2 |
An exchange line, designed to be incorporated into an air separation unit, comprises at least two exchange assemblies, the 2 assemblies being connected in parallel, each assembly comprising at least two exchange bodies (11A, 11B, 11C, 13...
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WO/2009/045595A2 |
A condenser reboiler system located within a bottom region of a low pressure column of a double column arrangement that is used in an air separation system to separate air. The condenser reboiler system incorporates first and second heat...
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WO/2009/039611A2 |
A method for generating energy from sulphur combustion without causing harmful emissions to the environment entails steps of evaporating liquid sulphur to generate sulphur dioxide gas and sulphur vapor, combusting the sulphur vapor with ...
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WO/2009/040396A1 |
A apparatusfor substantially dehumidifying an insulating annular space (108) is provided. This apparatusincludes an insulatedsurrounding envelope (106), an inner cylindrical device (107) and a partial annular cylinder (100) comprising at...
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WO/2009/038024A1 |
A method of nitrogen isotope concentration which includes a step in which raw-material nitrogen containing oxygen and argon in slight amounts is distilled at a low temperature with packed columns constituted in a cascade arrangement to t...
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WO/2009/029140A1 |
The described invention relates to processes and systems for treating a gas stream, particularly one rich in methane for forming liquefied natural gas (LNG), said process including: (a) providing a gas stream; (b) providing a refrigerant...
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WO/2009/028987A1 |
The invention relates to cryogenic engineering. The inventive device for liquefying and separating gas and for releasing one or more gases from a mixture thereof, comprises, in series axially positioned, a prechamber (1) with gas flow wh...
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WO/2009/029749A1 |
A method for producing a sterile cryogenic fluid is disclosed. A warm gas stream is sterilized by filtration and fed to a heat exchanger resulting in a cryogenic sterile fluid being formed. The waste gas stream from the heat exchanger is...
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WO/2008/003585A9 |
An air distillation unit comprises an air distillation column (10) suitable for producing a nominal flow of gaseous nitrogen, the top of said column being connected to a liquid nitrogen source (8), and operates by carrying out the follow...
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WO/2009/024263A2 |
A process is described for converting a hydrogen-rich gas mixture into a fuel gas which has a maximum hydrogen content of 2% by volume. This process comprises according to the invention the following process steps: a) partial condensatio...
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WO/2009/024705A2 |
The invention relates to a method for cooling a fluid such as helium for supplying a fluid consumer, the fluid flowing in a cyclic manner successively through a compression stage (4), a fluid pre-cooling and/or cooling stage (5, 6), and ...
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WO/2009/023252A1 |
Contemplated plants for recovery of NGL from natural gas employ alternate reflux streams in a first column and a residue gas bypass stream, wherein expansion of various process streams provides substantially all of the refrigeration duty...
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WO/2009/021351A1 |
A process for the separation of air by cryogenic distillation in a distillation system including at least a high pressure column (43) and a low pressure column (45) is disclosed, wherein air is compressed in a main compressor (3), compre...
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WO/2009/021350A1 |
A process for the production of at least one liquid product (53, 71) and at least one gaseous product (55, 61) by cryogenic distillation is disclosed , according to the first mode, at least part of the feed air is removed from an interme...
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WO/2009/017414A1 |
A method is described for production of LNG from an incoming feed gas (1 ) on an onshore or offshore installation, and it is characterised by the following steps: 1 ) the feed gas is led through a fractionation column (150) where it is c...
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WO/2009/016140A2 |
A method of cooling a gaseous hydrocarbon stream (10) such as natural gas comprising at least the steps of : (a) sourcing the gaseous hydrocarbon stream (10) in an underwater pipeline (12) to a hydrocarbon facility at sea (18); (b) cooli...
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WO/2009/016625A2 |
The invention provides a method and system for the separation of a mixture containing H2, hydrocarbon, and C02. The generated mixture (3) is introduced into a distillation column (2) having a side stream to generate a top stream comprisi...
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WO/2009/013455A2 |
This invention relates to the recovery of carbon dioxide (26) and hydrogen (3,24) concentrated form from shifted a.synthesis gas stream comprising hydrogen and carbon dioxide thereby generating a carbon dioxide stream that is sequestered...
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WO/2009/010558A2 |
A condensed mixed hydrocarbon feed stream (10), recovered from an initial feed stream (8), is fractionated into one ore more fractionated streams. In this process, the condensed mixed hydrocarbon feed stream (10) is separated into at lea...
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WO/2009/010691A2 |
The invention relates to a method for the purification of a feed gas stream containing CO2 and at least one impurity selected from water, SOx and NOx, comprising the following successive steps: a) a pre-treatment step; b) a compression s...
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WO/2009/010690A2 |
The invention relates to a method for the purification of a feed gas stream containing CO2 and at least one impurity, comprising the following successive steps: a) a pre-treatment step; b) a compression step; c) a step comprising the eli...
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WO/2009/010931A2 |
A process for the integration of a cryogenic air separation plant and an oxy- combustion power plant is presented. This process also includes heating a pressurized nitrogen stream and a pressurized oxygen stream with a compressed air str...
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WO/2009/007359A2 |
The invention relates to a method for the uninterrupted operation of a gas liquefaction system (1), wherein the operation is continuously monitored for at least those users of the refrigerant compressor component (4) which represent a tw...
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WO/2009/007938A2 |
A process for separating carbon dioxide from a compressed, dried and cooled carbon dioxide containing fluid comprises separating the fluid into at least a carbon dioxide enriched stream, and a carbon dioxide depleted stream, expanding at...
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WO/2009/006694A1 |
A flowline system for transferring cryogenic liquids between a cryogenic liquid storage tank and a cryogenic liquid receiving/loading facility, and a method of maintaining the system at or marginally above cryogenic temperature during pe...
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WO/2009/006693A1 |
A process and system for liquefying a hydrocarbon gas is provided. The hydrocarbon feed gas is pre-treated to remove sour species and water therefrom. The pre-treated feed gas is then passed to a refrigeration zone where it is cooled and...
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WO/2009/007435A2 |
A mixed refrigerant stream (10) comprising a first mixed refrigerant is passed through one or more heat exchangers (12) to provide a cooled mixed refrigerant stream (20). At least a fraction of a cooling stream (30) comprising a second m...
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WO/2009/007936A2 |
A process for separating carbon dioxide from a carbon dioxide containing fluid comprises the steps of: compressing the fluid in a compressor to form a compressed fluid, drying at least part of the compressed fluid to form a compressed an...
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WO/2009/007439A2 |
A method and apparatus for liquefying a gaseous hydrocarbon stream such as natural gas. The method comprises at least the steps of providing a feed stream (10) and dividing the feed stream (10) to provide at least a first stream (20) and...
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WO/2009/007310A2 |
The invention is directed to a process and a system to compress air. The process involves the following steps, (i) compressing air (12) in a compressor (13), (ii) cooling (16) the compressed air as obtained in step (i) (iii) further comp...
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WO/2009/004207A2 |
The invention relates to a method for the cryogenic separation of a methane-rich feed flow (1) also containing carbon dioxide, nitrogen and oxygen, that comprises sending the flow to an adsorption purification unit (3, 29) for producing ...
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WO/2009/000415A2 |
The invention relates to a method for cooling or liquefying a hydrocarbon-rich flow, for example a natural gas flow, wherein cooling or liquefying the hydrocarbon-rich flow is carried out counter to at least one coolant circuit, counter ...
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WO/2009/000393A2 |
The invention relates to a method and an arrangement for the removal of one or more fractions containing carbon-dioxide, said fractions accumulating on one or more sites of a fractionating and/or a liquefying process, for example, a natu...
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WO/2008/157102A2 |
A natural gas liquefaction train (100, 100a-100n) includes a nitrogen cooling loop. A controller (208a-208n, 300) is provided for controlling one or more controlled variables by adjusting one or more manipulated variables. The one or mor...
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WO/2008/155653A2 |
An expanded (102) and cooled (106) crude LNG stream (108) is separated in a nitrogen rejection column (150) into a nitrogen-enriched overhead vapor stream (130) and a nitrogen-diminished bottoms liquid stream (110). The bottoms stream (1...
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