Cryogenic rectification system with argon heat pump
US5228296A · kind A · utility
12Cited by
18References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 27, 1992 |
| Grant date | Jul 20, 1993 |
| Priority date | — |
| Expiry date | Feb 27, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S62/939
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cryogenic rectification system wherein condensed heat pump fluid is subcooled in the upper portion of an argon column, cools incoming feed, and is compressed and then condensed against cryogenic rectification plant bottoms for reboil thus improving reflux ratios and increasing argon recovery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.