EP 2052197 B1 20180516 - METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON-CONTAINING FEED STREAM
Title (en)
METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON-CONTAINING FEED STREAM
Title (de)
VERFAHREN UND VORRICHTUNG ZUR VERFLÜSSIGUNG EINES KOHLENWASSERSTOFFREICHEN STROMES
Title (fr)
PROCÉDÉ ET DISPOSITIF POUR LIQUÉFIER UN COURANT D'HYDROCARBURES
Publication
Application
Priority
- EP 2007058461 W 20070815
- EP 06119050 A 20060817
- EP 07788440 A 20070815
Abstract (en)
[origin: WO2008020044A2] Method and apparatus for liquefying a hydrocarbon stream such as natural gas from a feed stream. The method comprises at least the steps of : (a) providing the feed stream (10); (b) first cooling the feed stream (10) against a first cooling refrigerant being cycled in a first cooling refrigerant circuit (100), thereby obtaining a cooled gas stream (20), wherein the first cooling refrigerant comprises > 90 mol% propane; (c) second cooling the cooled gas stream (20) obtained in step (b) into a liquid against a first mixed refrigerant being cycled in a first mixed refrigerant circuit (200), wherein said second cooling is in two or more heat exchangers (42, 44), at least two of which are operating at different pressures, thereby obtaining a liquefied stream (60); and (d) sub-cooling the liquefied stream (60) obtained in step (c) against a second mixed refrigerant or against a nitrogen refrigerant being cycled in a sub-cooling refrigerant circuit (300), thereby obtaining a sub-cooled hydrocarbon stream (70).
IPC 8 full level
F25J 1/02 (2006.01)
CPC (source: EP US)
F25J 1/0022 (2013.01 - EP US); F25J 1/0052 (2013.01 - EP US); F25J 1/0055 (2013.01 - EP US); F25J 1/0072 (2013.01 - EP US); F25J 1/0087 (2013.01 - EP US); F25J 1/0092 (2013.01 - EP US); F25J 1/0218 (2013.01 - EP US); F25J 1/0265 (2013.01 - EP US); F25J 1/0268 (2013.01 - EP US); F25J 1/0292 (2013.01 - EP US); F25J 2220/64 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2008020044 A2 20080221; WO 2008020044 A3 20081127; AU 2007285734 A1 20080221; AU 2007285734 B2 20100708; EP 2052197 A2 20090429; EP 2052197 B1 20180516; RU 2009109420 A 20100927; RU 2447382 C2 20120410; US 2011185767 A1 20110804
DOCDB simple family (application)
EP 2007058461 W 20070815; AU 2007285734 A 20070815; EP 07788440 A 20070815; RU 2009109420 A 20070815; US 37765507 A 20070815