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US 2014/0150491 A1Published application
Use of low global-warming potential, low ozone depletion potential, low combustibility hydrofluoro-olefin, xenon or iodo compound refrigerants in lng processing
AssigneeConocoPhillips Company
InventorsPaul DAVIES, James Lee HARRIS, JR., Emery Jay THOMAS, Gregg SAPP
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Abstract
Methods and systems for liquefying natural gas using environmentally-friendly low combustibility refrigerants are provided. Methods of liquefaction include cooling a fluid in an LNG facility via indirect heat exchange with an environmentally-friendly low combustibility refrigerant selected from the group consisting of: a fluorinated olefin, xenon, any derivative thereof, and any combination thereof.
Claims26
A method for liquefying natural gas comprising:
- cooling a fluid in an LNG facility via indirect heat exchange with an environmentally-friendly low combustibility refrigerant selected from the group consisting of:
- a fluorinated olefin, any derivative thereof, and any combination thereof.
A method for liquefying natural gas comprising:
- cooling a fluid in an LNG facility via indirect heat exchange with an environmentally-friendly low combustibility refrigerant comprising:
- a fluorinated olefin and a paraffinic fluorocarbon.
A method for liquefying natural gas comprising:
- cooling a fluid in an LNG facility via indirect heat exchange with an environmentally-friendly low combustibility refrigerant selected from the group consisting of:
- xenon, a mixture of xenon and a fluorocarbon, a mixture of xenon and ethylene, a mixture of xenon and a hydrocarbon, a mixture of xenon and an iodine substituted fluorohydrocarbon, a mixture of xenon and a fluorolefin refrigerant mixture, any derivative thereof, and any combination thereof.
Dependencies are inferred from the claim text.