Process and device for separation in a simulated moving bed with a bypass fluid flow rate that is not regulated automatically
US8049055B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2009 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Mar 4, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/13
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for separation of a feedstock F by adsorption in a simulated moving bed in an SMB device that comprises a zone 1 for desorption of compounds produced by extraction, a zone 2 for desorption of compounds produced with a raffinate, a zone 3 for adsorption of compounds produced by extraction, and a zone 4 that is located between the draw-off of the raffinate and the supply of the desorbent,whereby the device comprises external bypass lines Li/i+1 directly joining two successive plates Pi, Pi+, that are equipped with non-automated means for adjusting flow rate and closing means, in which the degree of opening of the restriction means of the scavenging flow rate of the bypass lines Li/i+1 is adjusted so as to obtain the best performance of the SMB.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.