Configuration and process for NGL recovery using a subcooled absorption reflux process
US7377127B2 · kind B2 · utility
33Cited by
3References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 2002 |
| Grant date | May 27, 2008 |
| Priority date | — |
| Expiry date | Mar 18, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2290/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An NGL recovery plant includes a demethanizer (7) in which internally generated and subcooled lean oil absorbs CO2 and C2 from a gas stream (11), thereby preventing build-up and freezing problems associated with CO2, especially where the feed gas has a CO2 treatment at ethane recoveries above 90% and propane recoveries of at least 99%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.