Method for preventing compaction in sorbent beds

Details Method for preventing compaction in sorbent beds Method for preventing compaction in sorbent beds

1983-01-17

1985-04-16

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

B01D 1500

Patent

active

045114765

ABSTRACT:
The direction of circulating fluid flow in a closed loop simulated moving bed process is periodically reversed within a selected portion of the bed while maintaining normal flow throughout the remainder of the loop. Each selected portion is contained within a discrete vessel, and at preselected times, flow is reversed in each vessel in turn so that during a complete cycle of the process the entire bed is backwashed for an interval sufficient to avoid compaction.

REFERENCES:
patent: 3831755 (1974-08-01), Goodman et al.
patent: 4400278 (1983-08-01), Martinola
patent: 4412866 (1983-11-01), Schoenrock et al.

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