Title:
LNG SYSTEM EMPLOYING REFLUXED HEAVIES REMOVAL COLUMN WITH OVERHEAD CONDENSING
Document Type and Number:
WIPO Patent Application WO2006071261
Kind Code:
A3
Abstract:
A process and apparatus for the liquefaction of natural gas including an improved heavy hydrocarbon removal column with overhead condensing and refluxing. Particularly, a methane-rich stream exiting a propane refrigerant cycle is delivered to a heavies removal column, and the heavies depleted vapor from the column is at least partially condensed and the liquid portion provided as reflux to the heavies removal column.
Inventors:
EATON ANTHONY P (US)
MARTINEZ BOBBY D (US)
YAO JAME (US)
MARTINEZ BOBBY D (US)
YAO JAME (US)
Application Number:
PCT/US2005/021432
Publication Date:
November 30, 2006
Filing Date:
June 17, 2005
Export Citation:
Assignee:
CONOCOPHILLIPS CO (US)
EATON ANTHONY P (US)
MARTINEZ BOBBY D (US)
YAO JAME (US)
EATON ANTHONY P (US)
MARTINEZ BOBBY D (US)
YAO JAME (US)
International Classes:
F25J1/00; F25J1/02; F25J3/00; F25J3/02
Foreign References:
| US6453698B2 | 2002-09-24 | |||
| US20050279131A1 | 2005-12-22 |
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