[12] Patent
[11] Patent No.:GC0004581  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2016                32/2016  
Number of the Decision to Grant the Patent:2016/90299
Date of the Decision to Grant the Patent:28/Dec/2016

[21] Application No.:GCC/P/2007/9598

[22] Filing Date:2/12/2007

[72] Inventor: John Mak

[73] Owner: Fluor Technologies Corporation, 3 Polaris Way , Aliso Viejo, CA 92698, USA

[74] Agent: Suleiman I. Al-Ammar Law Office

  

 

  

[51]IPC:
Int. Cl.: C10L 3/12; F25J 3/0209, 3/0233, 3/0242, 2200/02, 2200/74, 2205/04, 2240/02, 2240/40, 2270/02, 2270/12, 2270/60 (2006.01)

[56] Cited Documents:

-US2 002/0166336 A1 (WILKINSON J D et al) 14 November 2002  
Examiner: Bander M. Al-Thobity

[54] PROPANE RECOVERY METHODS AND CONFIGURATIONS
[57] Abstract: ABSTRACTHigh-pressure feed gas is chilled and expanded to condense a portion of the feed gas into a C2+ enriched liquid phase and a C2+ depleted vapor phase. The liquid phase is expanded to provide additional cooling for the feed gas and deethanizer reflux prior to being fed to the deethanizer while the vapor is combined with residue gas of a deethanizer.
No. of claims: 20     No. of figures: 4


 

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