Distillation device
US9194623B2 · kind B2 · utility
11Cited by
8References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 19, 2013 |
| Grant date | Nov 24, 2015 |
| Priority date | — |
| Expiry date | Mar 19, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2220/90
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A distillation apparatus includes: a distillation column group in which a plurality of distillation columns, which are respectively equipped with a reboiler, is connected in the form of a distillation cascade; feed-gas condensers which liquefy feed gases from respective former distillation columns and feed said liquefied feed gases to respective latter distillation columns; gas-feeding lines which connect the respective former distillation columns and the respective feed-gas condensers; and liquid-feeding lines which connect the respective feed-gas condensers and the respective latter distillation columns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.