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WO/2009/140070A1 |
The present invention relates to an improved process for recovery of natural gas liquids from a natural gas feed stream. The process runs at a constant pressure with no intentional reduction in pressure. An open loop mixed refrigerant is...
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WO/2009/136061A2 |
A column with a packing for the exchange of heat and/or of material between a descending liquid and an ascending gas, of the type which comprises at least one exchange section (5, 9, 10, 11) either between two distributors or comprising ...
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WO/2009/136077A2 |
An apparatus for separating air by cryogenic distillation in a double-column installation comprises a medium-pressure column (9), a low-pressure column (19, 39), an exchange line (3), a first low-pressure column vaporizer (52) and a seco...
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WO/2009/137551A1 |
Systems and methods for the cleaning the interior surfaces of tubular members are provided. A flexible conduit having a nozzle disposed on an end can be disposed within the bore of a tubular to be cleaned. The nozzle can have an internal...
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WO/2009/136075A2 |
In a method for separating air by cryogenic distillation in an installation comprising a double column comprising a medium-pressure column (15) and a low-pressure column (17), the low-pressure column containing a bottom vaporizer (19), a...
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WO/2009/137213A2 |
Method and apparatus of separating an oxygen and nitrogen containing feed stream, for example, air, in higher and lower pressure columns. A crude liquid oxygen stream condenses nitrogen vapor in the higher pressure column for reflux purp...
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WO/2009/136076A2 |
In a method for separating air by cryogenic distillation, compressed air is purified in a purification unit (7), cooled in an exchange line (19) and sent to a column of a system of columns comprising a medium-pressure column (21) and a l...
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WO/2009/137168A2 |
An LNG facility employing an enhanced nitrogen removal system that concentrates the amount of nitrogen in the feed stream to a nitrogen removal unit (NRU) to thereby increase the separation efficiency of the NRU. In one embodiment, the n...
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WO/2009/136081A2 |
In a method for separating air by cryogenic distillation in a double column comprising a medium-pressure column (20) and a low-pressure column (21), cooled and purified compressed gaseous air (1) is sent to a first level of the medium-pr...
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WO/2009/083227A9 |
Method and device for separating a starting mixture into a higher-boiling and a lower-boiling fraction in a distillation apparatus operated in a continuous procedure, which apparatus contains at least one line for the feed of one or more...
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WO/2009/130430A2 |
In a method for air separation by cryogenic distillation in a three-column system, formed of a medium pressure column (9), an intermediate pressure column (25), and a low pressure column (19, 39) having at least a first and second vapori...
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WO/2009/130466A2 |
A method of natural gas liquefaction comprising first and second nitrogen refrigerant streams, each stream undergoing a cycle of compression, cooling, expansion and heating, during which the first nitrogen stream is expanded to a first, ...
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WO/2009/127217A1 |
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 comprising the step of subjecting the gaseous stream to an absor...
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WO/2009/124155A1 |
Methods and apparatus for capillary pumped two phase separation, the apparatus containing : a heat exchanger; a liquid flow path adjacent to the heat exchanger; wherein the liquid flow path comprises a wick having a first pore size; a va...
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WO/2009/123766A1 |
A cold trap (2) is disclosed with a chamber (15) having partitions or surfaces (4) that direct the incoming wet vapor to substantially all of the cold inner surfaces of the cold trap. Typically, the cold inner surfaces are the inner wall...
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WO/2009/117787A2 |
A refrigerant circuit is described. The circuit comprises: a first compression stage for compressing a mixed refrigerant gas, the first compression stage comprising at least a first compressor body and a second parallel compressor body, ...
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WO/2009/118496A2 |
The invention relates to a method for processing a material and/or heat transfer module, the device comprising a stack of corrugated-crossed blades wherein the wetting of the blade surface is reduced in at least one area of the module (A...
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WO/2009/112744A2 |
An apparatus for separating air by cryogenic distillation comprises a double air separation column (K1, K2), a first exchange line (E1), a first pressurizer (B1), a second pressurizer (B2), a first turbine (T1), a second turbine (T2), me...
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WO/2009/103715A2 |
A method and apparatus for cooling and separating a hydrocarbon stream such as natural gas. The method comprises at least the steps of: (a) providing a hydrocarbon stream (10); (b) cooling the hydrocarbon stream (10) to provide a partial...
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WO/2009/101329A2 |
An apparatus for separating air comprising a first compressor (3), a thermokinetic compressor (15) and a separation unit (13), means for sending air to the first compressor to form compressed air, means for sending at least some of the c...
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WO/2009/102303A1 |
A method and apparatus for using liquid nitrogen to render crises safe, as in circumstances of hostage crises, entering Methamphetamine labs, purging the accumulating toxic or flammable gases, ending the dispersal of substances from aero...
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WO/2009/102561A2 |
A distillation apparatus and method in which first and second compressed streams are formed from a compressed feed stream, for example, compressed air. The first compressed stream is fully cooled within a main heat exchanger so that it i...
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WO/2009/102397A1 |
A method and system for the separation of a synthesis gas and methan mixture which contains carbon monoxide, hydrogen and methane with the proces producing synthesis gas and liquid natural gas (LNG).
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WO/2009/101127A2 |
Method and apparatus cooling a hydrocarbon stream such as natural gas. An initial hydrocarbon stream (8) is passed through a first separator (16) to provide an initial overhead stream (110) and a mixed hydrocarbon feed stream (10). The i...
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WO/2009/098128A1 |
A low carbon emissions combined cycle power plant utilises vortex nozzles (38) operative at cryogenic temperatures to separate out carbon dioxide (39) from the flue gases. Complexity of the plant is minimised by operating a gas turbine e...
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WO/2009/098278A2 |
Method and apparatus for cooling down a cryogenic heat exchanger, employing a programmable controller that receives input signals representing sensor signals of one or more controlled variables in a selected process, and produces control...
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WO/2009/095188A2 |
The invention relates to a method and a device used for the low-temperature separation of air in a distillation column system, comprising at least one high-pressure column (11) and a low-pressure column (12). The method has a high pre-li...
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WO/2009/093315A1 |
A power supply equipment (71) for natural gas liquefaction plant that supplies power to a natural gas liquefaction plant for liquefying the natural gas having impurities separated by a natural gas purification equipment (70). The power s...
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WO/2009/087307A2 |
The invention relates to a liquefaction method that comprises fractioning the natural gas with ethane recycling in order to enhance propane recovery and to increase the critical pressure of the gas to be liquefied. The natural gas is par...
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WO/2009/087206A2 |
The present invention concerns a process for removing acidic contaminants and C2+-hydrocarbons from a feed gas stream (1) containing methane and acidic contaminants and C2+-hydrocarbons, the process comprising cooling (2) the feed gas st...
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WO/2009/087308A2 |
The invention relates to a method for liquefying a natural gas that comprises the following steps: cooling a natural gas; feeding the cooled natural gas into a fractioning column so as to separate it into a methane-rich gaseous phase and...
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WO/2009/087324A2 |
The invention relates to a cryogenic distillation separation column (K4) for separating a mixture including, as main components, carbon monoxide and either methane or nitrogen, wherein said column includes a head condenser (V9) comprisin...
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WO/2009/083696A2 |
This system for cooling a first psychrometric mixture (20) comprises: a condenser (18) capable of condensing a fluid contained in this mixture by direct contact with a liquid (22) comprising this fluid, the liquid (22) being, in said con...
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WO/2009/086460A1 |
Methods of sequestering carbon dioxide (CO2) are provided. Aspects of the methods include precipitating a storage stable carbon dioxide sequestering product from an alkaline-earth-metal-containing water and then disposing of the product,...
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WO/2009/084945A1 |
The invention relates to a method of removing carbon dioxide from a fluid stream by a fluid separation assembly. The fluid separation assembly has a cyclonic fluid separator (1) with a tubular throat portion (4) arranged between a conver...
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WO/2009/080678A2 |
A first liquefied hydrocarbon stream (10) is provided from a first source (12) and a second liquefied hydrocarbon stream (20) is provided from a second source (22). The second liquefied hydrocarbon stream (20) has been liquefied solely b...
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WO/2009/080591A1 |
In order to provide a rectification column which can be employed in e.g. a fine chemicals laboratory or in a scientific laboratory for a plurality of very different separation tasks in the preparative separation of small amounts of fluid...
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WO/2009/079064A1 |
An integrated process is described in which at least a portion of CO2 is captured from both the feedstock and a process stream in a GTL facility. This integrated process provides for lower costs in CO2 capture than can be done by separat...
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WO/2009/074737A2 |
The process is used to liquefy a dry natural gas containing water and heavy hydrocarbons having more than five carbon atoms. The following steps are carried out: a) the dry natural gas is made to flow through a solid that adsorbs water s...
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WO/2009/075846A2 |
A process for integrating the recovery of hydrocarbons from a vent stream and the production of a nitrogen-rich liquid by: providing a vent to recovery including a monomer, wherein the vent to recovery originates from a polymerization pr...
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WO/2009/076357A1 |
An LNG facility employing an optimized heavies removal system. The optimized heavies removal system can comprise at least one distillation column and at least two separate heat exchangers. The heat exchangers can be operable to heat a li...
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WO/2009/076501A2 |
An LNG facility employing an enhanced fuel gas control system. The enhanced fuel gas control system is operable to produce fuel gas having a substantially constant Modified Wobbe Index (MWI) during start-up and steady-state operation of ...
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WO/2009/071538A2 |
A refrigerant stream (10) is provided at a refrigerant pressure, and passed through at least three heat exchange steps (12, 14, 16, 18) operating at different pressure levels. A hydrocarbon stream (20) is passed through at least two of t...
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WO/2009/072900A1 |
A method and associated system for regulation of the cooling capacity of a cooling system that uses a gas expansion cooling circuit where the cooling principle is expansion of one or more gaseous cooling medium streams from a higher pres...
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WO/2009/073666A1 |
Methods, apparatuses and systems for processing fluid streams having multiple constituents are provided including embodiments utilizing ascending temperature separation processes as well as combined ascending and descending temperature s...
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WO/2009/071977A2 |
The denitrogenation of an expanded crude LNG stream (104) is conducted in a nitrogen rejection column (150) reboiled by partial vaporization of only a portion (112) of nitrogen bottoms liquid in a thermosyphon reboiler (106) that cools t...
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WO/2009/068594A1 |
The invention provides a process for removal of CO2 from flue gas, comprising the steps of: a) removing CO2 from flue gas by contacting said flue gas with cooled ammonia in an absorber (13) operated at low temperature to obtain ammonia e...
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WO/2009/070785A2 |
A method for capturing carbon dioxide from a flue gas includes (i) removing moisture from a flue gas to yield a dried flue gas; (ii) compressing the dried flue gas to yield a compressed gas stream; (iii) reducing the temperature of the c...
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WO/2009/066565A1 |
A cryogenic refrigerator (10) which creates a cryogenic temperature condition by compressing and expanding working gas in a closed loop (11). The cryogenic refrigerator comprises a bypass line (22) allowing a high-pressure portion and a ...
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WO/2009/063142A2 |
The invention relates to a method for starting a natural gas liquefaction unit comprising a cooling circuit that contains a refrigerant containing a hydrocarbon mixture, wherein said method consecutively comprises: (a) injecting and purg...
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