Method intended to optimize the operation of a system for separating the constituents of a mixture
US6471870B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 16, 1998 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Jun 16, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D15/1821
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for optimizing the operation of a simulated moving bed (LMS) type (closed or open) separation loop consisting of the interconnection in series of beds containing an adsorbent solid phase, divided into several zones, four for example, delimited by fluid injection and draw-off points (F, El, Ex, R). The optimization sought is obtained by selecting initial values to be imposed on operating variables (internal liquid and solid flows, permutation period, etc.) of a simulated moving bed (LMS) from internal flow rates of a true moving bed (LMV), knowing the flow rate of the feedstock (F) injected in the loop and the concentrations of the various constituents of this feedstock. The invention has an application for optimizing aromatic hydrocarbon or optical isomer separation loops.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.