Title:
SYSTEM AND INTEGRATED PROCESS FOR LIQUID NATURAL GAS PRODUCTION
Document Type and Number:
WIPO Patent Application WO/2015/017293
Kind Code:
A3
Abstract:
A system and method for producing liquid natural gas (LNG) from a natural gas stream is presented. The system includes a moisture removal device and compressor for removing moisture from and compressing the natural gas stream. The low moisture compressed natural gas stream is cooled in a heat exchanger to discharge a cooled compressed discharge stream. A multi-phase turbo expander provides for further cooling and expansion of the cooled compressed discharge stream, generating an expanded exhaust stream comprising a mixture of a vapor comprised substantially of CH4 and a LNG/ice/solid CO2 slurry. The expanded exhaust stream is separated to generate a vapor stream comprised substantially of CH4 and a liquid natural gas/ice/solid CO2 slurry stream. Further separation of the liquid natural gas/ice/solid CO2 slurry stream generates a liquid natural gas output stream and an output stream comprised substantially of ice/solid CO2.
Inventors:
LISSIANSKI VITALI VICTOR (US)
HOFER DOUGLAS CARL (US)
SHISLER ROGER ALLEN (US)
HOFER DOUGLAS CARL (US)
SHISLER ROGER ALLEN (US)
Application Number:
PCT/US2014/048339
Publication Date:
August 27, 2015
Filing Date:
July 28, 2014
Export Citation:
Assignee:
GEN ELECTRIC (US)
International Classes:
F25J1/02; F25J1/00
Domestic Patent References:
| WO2010079177A2 | 2010-07-15 |
Foreign References:
| US20070017250A1 | 2007-01-25 | |||
| US20020174678A1 | 2002-11-28 | |||
| US3312073A | 1967-04-04 | |||
| EP2596846A1 | 2013-05-29 | |||
| EP2789956A1 | 2014-10-15 |
Attorney, Agent or Firm:
TOPPIN, Catherine, J. et al. (Global Patent Operation3135 Easton Turnpik, Fairfield CT, US)
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