Air separation
US4962646A · kind A · utility
17Cited by
4References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 1989 |
| Grant date | Oct 16, 1990 |
| Priority date | — |
| Expiry date | Aug 30, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S62/915
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method and apparatus for cryogenic air separation wherein both fuel gas and electrical power are produced. Respective operating pressures of the lower and higher pressure rectification columns can be set independently of one another, allowing flexibility in selecting the purity of the oxygen product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.