Cryogenic air separation with warm turbine recycle
US5758515A · kind A · utility
23Cited by
12References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 1997 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | May 8, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2240/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cryogenic air separation system wherein feed air is compressed in a multistage primary air compressor, a first part is turboexpanded and fed into a cryogenic air separation plant, and a second part is turboexpanded and at least a portion of the turboexpanded second part is recycled to the primary air compressor at an interstage position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.