Hybrid nitrogen generator with auxiliary reboiler drive
US4594085A · kind A · utility
22Cited by
5References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 15, 1984 |
| Grant date | Jun 10, 1986 |
| Priority date | — |
| Expiry date | Nov 15, 2004 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2290/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A single column process to produce nitrogen at relatively high purity and yield by the cryogenic rectification of air employing multiple defined feeds to the column to allow for increased product removal off the top of the column while avoiding the need to recycle withdrawn nitrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.