Cryogenic rectification system with enhanced argon recovery
US5469710A · kind A · utility
20Cited by
14References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 26, 1994 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | Oct 26, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S62/94
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cryogenic air separation system which improves argon recovery wherein vapor from the argon column top condenser is turboexpanded to generate refrigeration and is then passed into the lower pressure column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.