Air separation process to produce elevated pressure oxygen
US4560398A · kind A · utility
14Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1984 |
| Grant date | Dec 24, 1985 |
| Priority date | — |
| Expiry date | Jul 6, 2004 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2250/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A double column air separation process which enables one to efficiently produce oxygen gas at a pressure exceeding that of the lower pressure column without compression or pumping wherein oxygen liquid hydrostatic head is employed to impart a pressure increase to the oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.