Process for performing a swing bed regeneration operation with m

Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Treating with a liquid or treating in a liquid phase,...

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502 33, B01J 2034

Patent

active

060461241

ABSTRACT:
A process for regenerating solid treating particles contained in at least two vessels of a swing bed regeneration operation where the effluent of the regeneration operation is maintained regeneration fluid-free and at a substantially constant flowrate has been developed. The swing bed regeneration operation involves an on-line vessel treating process fluid and an off-line vessel for regeneration. At least a portion of the process fluid effluent from the vessel on-line is conducted to a displacement surge drum. The flowrate of the process fluid effluent from the displacement surge drum is controlled so that downstream units receive a substantially constant flowrate. A portion of the process fluid effluent from the displacement surge drum is periodically used to displace regeneration fluid from the vessel off-line, and during the displacement, the flowrate of effluent from the displacement surge drum is increased to provide additional flow to the vessel off-line without having to reduce the flow to downstream units.

REFERENCES:
patent: 5300715 (1994-04-01), Vora
patent: 5851944 (1998-12-01), Luebke et al.

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