Production unit for large quantities of oxygen and/or nitrogen
US6945076B1 · kind B1 · utility
8Cited by
12References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2003 |
| Grant date | Sep 20, 2005 |
| Priority date | — |
| Expiry date | Sep 11, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S62/911
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus and method for air distillation. Two cold boxes and an air treatment unit are used to distill air. The cold boxes contain a heat exchanger for cooling the air to be distilled and an air distillation unit for producing either oxygen, nitrogen or argon. The air treatment unit has many individual treatment elements which are connected in parallel. The outlet of the air treatment unit is connected to both cold boxes and to all the individual treatment units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.