Multiple bed filtering apparatus and process

Details Multiple bed filtering apparatus and process Multiple bed filtering apparatus and process

1980-09-08

1982-04-27

Cintins, Ivars C.

Liquid purification or separation

Processes

Separating

55 96, 55 98, 55474, 55485, 210793, 210807, 210189, 210283, 210284, B01D 2316, B01D 2324, B01D 4630

Patent

active

043269630

ABSTRACT:
A filter regeneration method comprising mixing precipitate deposited on a bed of filtering particles throughout the bed to thereby reduce the pressure drop across the filter generally occurring during use. Regeneration is conveniently accomplished by fluidizing the precipitate and filtering particles into another portion of the filter. Two types of apparatus are described in which the regeneration method may be used.

REFERENCES:
patent: 3163597 (1964-12-01), Thrun
patent: 3458436 (1969-07-01), Martinola et al.
patent: 3737039 (1973-06-01), Hirs
patent: 4157959 (1979-06-01), Wen et al.

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