- Patent Title: Standalone high-pressure heavies removal unit for LNG processing
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Application No.: US17072565Application Date: 2020-10-16
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Publication No.: US11604025B2Publication Date: 2023-03-14
- Inventor: Jinghua Chan , Qi Ma , Dale L. Embry , Attilio J. Praderio
- Applicant: ConocoPhillips Company
- Applicant Address: US TX Houston
- Assignee: ConocoPhillips Company
- Current Assignee: ConocoPhillips Company
- Current Assignee Address: US TX Houston
- Agency: Polsinelli PC
- Main IPC: F25J3/02
- IPC: F25J3/02 ; F25J1/00 ; F25J1/02

Abstract:
Implementations described and claimed herein provide systems and methods for processing liquefied natural gas (LNG). In one implementation, a dry feed gas is received. The dry feed gas is chilled with clean vapor from a heavies removal column to form a chilled feed gas. The chilled feed gas is partially condensed into a vapor phase and a liquid phase. The liquid phase retains freezing components. The freezing components are extracted using a reflux stream in the heavies removal column. The freezing components are removed as a condensate. The vapor phase is compressed into a clean feed gas. The clean feed gas is free of the freezing components for downstream liquefaction.
Public/Granted literature
- US20210116173A1 STANDALONE HIGH-PRESSURE HEAVIES REMOVAL UNIT FOR LNG PROCESSING Public/Granted day:2021-04-22
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