Filter element with regenerable bulk material filling and method

Details Filter element with regenerable bulk material filling and method Filter element with regenerable bulk material filling and method

1992-11-19

1994-03-01

Savage, Matthew O.

Liquid purification or separation

Processes

Separating

210232, 210264, 210282, 210484, 2105021, 210503, 55474, 55512, 55517, 55527, B01D 2702

Patent

active

052904571

ABSTRACT:
A regenerable deep bed filter element and method for making it, the element being provided as a closed system, in the case of which a deep bed filter (21), disposed inside at least one hollow-cylindrical chamber (17), is formed by a bulk material filling of regenerable, filtration-active substances of a particulate and/or fibrous structure. The hollow-cylindrical chamber accommodates radial flow by means of porous inner and outer peripheral walls (18, 19). The deep bed filter can be either washed, or regenerated by flushing back with water, steam or chemical cleansing agents, during which the filtration-active substances remain inside the chamber (17).

REFERENCES:
patent: 3780867 (1973-12-01), Zirlis
patent: 3836005 (1974-09-01), Bauer
patent: 4065392 (1977-12-01), Gammon
patent: 4138337 (1979-02-01), Smith
patent: 4212743 (1980-07-01), Van Meter et al.
patent: 4366054 (1982-12-01), Kroshein
patent: 4828698 (1989-05-01), Jewell et al.
patent: 4986913 (1991-01-01), Schafpt

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