Device for crystallization by isentropic expansion and its use
US6336334B1 · kind B1 · utility
31Cited by
20References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1999 |
| Grant date | Jan 8, 2002 |
| Priority date | — |
| Expiry date | Dec 17, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device for crystallization of a component from a liquid mixture comprising a chamber, a first conduit connected to said chamber for supplying said mixture, a second conduit connected to and in connection with said chamber for introducing cold gas, a third conduit for withdrawing warmed gas from said crystallizer, a turbo-expander for cooling gas withdrawn from said chamber, and a fourth conduit Icading from the turbo-expander to said chamber. The device has particular application for the crystallization of paraxylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.