Title:
LIQUEFACTION PROCESS
Document Type and Number:
WIPO Patent Application WO/1995/027179
Kind Code:
A1
Abstract:
A process for producing a liquefied natural product such as LNG is described where a single phase nitrogen refrigerant is used in such a way that the refrigerant stream (10) is divided into at least two separate portions (12, 14) which are passed through separate turbo-expanders (106, 108) before being admitted to separate heat exchangers (103, 104) so that the warming curve of the refrigerant more closely matches the cooling curve of the product being liquefied so as to minimise thermodynamic inefficiencies and hence power requirements involved in operation of the method.
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Inventors:
DUBAR CHRISTOPHER ALFRED (AU)
Application Number:
PCT/AU1995/000191
Publication Date:
October 12, 1995
Filing Date:
April 05, 1995
Export Citation:
Assignee:
BHP PETROLEUM PTY LTD (AU)
DUBAR CHRISTOPHER ALFRED (AU)
DUBAR CHRISTOPHER ALFRED (AU)
International Classes:
C10L3/00; C10L10/14; F25J1/02; F25J1/00; F25J3/02; (IPC1-7): F25J1/02; F25J5/00
Foreign References:
| US3237416A | 1966-03-01 | |||
| GB1186449A | 1970-04-02 | |||
| GB2147984A | 1985-05-22 | |||
| US3511058A | 1970-05-12 | |||
| US5271231A | 1993-12-21 | |||
| GB1089192A | 1967-11-01 |
Other References:
See also references of EP 0755499A4
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