Replacement of particles in a moving bed process

Details Replacement of particles in a moving bed process Replacement of particles in a moving bed process

1996-03-13

1997-11-18

Bhat, Nina

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422145, 422147, 422216, 422219, 137209, 137512, F27B 1508

Patent

active

056884737

ABSTRACT:
An apparatus for replacing particles in a process that transfers particles is disclosed. The apparatus employs a seal zone which is in communication with two zones of the process and in which particles that are being added to the process are purged. The apparatus allows particles to be replaced without reducing the normal rate of particle transfer through the process, which results in a savings in downtime costs. This invention is adaptable to a multitude of processes for the catalytic conversion of hydrocarbons in which deactivated catalyst particles are regenerated.

REFERENCES:
patent: 4282185 (1981-08-01), Reeves et al.
patent: 5034195 (1991-07-01), Platz
patent: 5106587 (1992-04-01), Gartside et al.
patent: 5240683 (1993-08-01), Maurel et al.
patent: 5456385 (1995-10-01), Poussin et al.
patent: 5470540 (1995-11-01), Pes

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