Patent ID: 9611194
Date: 2017-04-04
CPC Classifications: B01D,C07C

Claim:
1. A method of separating a desired component from a mixed feed, the method comprising the steps of: removing a raffinate from a raffinate bed of a simulated moving bed separator, wherein the raffinate comprises an undesired component, wherein the simulated moving bed separator comprises a plurality of adsorbent beds circularly coupled together, a distributor, and a plurality of conduits fluidly coupling the distributor to the plurality of adsorbent beds, and wherein the plurality of adsorbent beds comprises the raffinate bed, a desorbent bed, and a zone 4 flush bed positioned between the raffinate bed and the desorbent bed; adding a desorbent to the desorbent bed through a desorbent conduit; and flushing a zone 4 flush conduit to the desorbent conduit, wherein the zone 4 flush conduit is fluidly coupled to the zone 4 flush bed.