Methods and systems for separating para-xylene using a radial flow simulated moving bed chamber
US9328041B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 24, 2013 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Jun 27, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D15/185
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods and systems for separating para-xylene are disclosed. In one exemplary embodiment, a method for separating para-xylene includes the steps of providing a feed stream including para-xylene and other C8 aromatic hydrocarbons to a first adsorbent bed within a radial flow simulated moving bed chamber and providing a desorbent stream to a second bed within the radial flow simulated moving bed chamber. The method further includes circulating the feed stream and the desorbent stream radially within the radial flow simulated moving bed chamber to third and fourth beds within the radial flow simulated moving bed chamber. Still further, the method includes withdrawing an extract stream including the para-xylene from the third bed and withdrawing a raffinate stream including the other C8 aromatic hydrocarbons from the fourth bed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.