Process and apparatus for separating air by cryogenic distillation
US10605523B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 7, 2014 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Nov 14, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2245/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process comprises a first set of distillation columns and a second set of distillation columns, a low-pressure column of the first set being connected to a column operating at higher pressure of the second set by means of a gas arriving from the top of the column operating at a higher pressure and/or by means of a fluid arriving from the low-pressure column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.