Efficiency improvement of open-cycle cascaded refrigeration process for LNG production
US6289692A · kind A · utility
36Cited by
6References
56Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1999 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Dec 22, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2245/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention concerns a method and an apparatus for improving the efficiency of an open-cycle refrigeration process for LNG production by the employment of a liquid expander to recover energy associated with the flashing of a pressurized liquid stream and employing said recovered energy to compress the flashed vapor streams in the open cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.