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1. (WO2018125360) TRIM BED FOR ADSORPTION SEPARATION ZONE

Pub. No.:    WO/2018/125360    International Application No.:    PCT/US2017/055864
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Wed Oct 11 01:59:59 CEST 2017
IPC: B01D 53/00
B01D 53/04
Applicants: UOP LLC
Inventors: SIEDLER, Nathan
LUEBKE, Charles P.
GORAWARA, Jayant K.
Title: TRIM BED FOR ADSORPTION SEPARATION ZONE
Abstract:
Methods for operating an adsorption separation zone are described. A trim bed is used with two adsorption beds in a swing bed arrangement. The trim bed will catch small amounts of treated feed remaining in the adsorption bed during the switch over from the spent adsorption bed to the fresh adsorption bed. In addition, any adsorbed material that desorbs from the spent adsorption bed during the displacement step of regeneration would be adsorbed onto the trim bed.