Spent activated carbon regenerator

Details Spent activated carbon regenerator Spent activated carbon regenerator

1976-06-14

1977-08-02

Scovronek, Joseph

Chemistry: physical processes

Physical processes

Crystallization

23288S, 34 57A, 55443, 239499, 239689, 252417, 261 98, 432 58, B01D 1506, B01J 826, B01J 3712, B05B 126

Patent

active

040392902

ABSTRACT:
A fluidized bed type spent activated carbon regenerator with an upper drying chamber and a lower reactivating chamber within a column through which spent activated carbon particles are treated in a fluidized state. The regenerator has a distributor at the lower end of a spent carbon feed pipe which opens into the upper chamber to distribute the feed of spent activated carbon uniformly on all sides of the feed pipe and over a larger area in the upper chamber. A hood is mounted around an upper end of a first overflow pipe which provides a passage to the lower chamber for carbon particles devolatilized in the upper chamber to block shortpasses of incompletely devolatilized carbon particles to the lower chamber. The regenerator is further provided with a louver strainer at the ceiling of the upper chamber to block fine carbon powder which tends to leave the regenerator entrained in upward streams of a regeneration gas flowing through the upper chamber toward a gas outlet at the top of the regenerator.

REFERENCES:
patent: 2455561 (1948-12-01), Creelman
patent: 2503788 (1950-04-01), White
patent: 2687343 (1954-08-01), Crask et al.
patent: 2728632 (1955-12-01), Matheson
patent: 3529941 (1970-09-01), Tobiassen et al.
patent: 3749380 (1973-07-01), Strom et al.

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