Filter element

Details Filter element Filter element

1990-12-20

1992-12-08

Dawson, Robert A.

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

Selective units or compartments

210282, 210484, 2105021, 210503, 55 77, 55474, 55512, 55517, 55527, B01D 2702

Patent

active

051695286

ABSTRACT:
A regenerable deep bed filter element provided as a closed system, in the case of which a deep bed filter (21), disposed inside at least one hollow-cylindrical chamber (17), if formed by a bulk material filling of regenerable, filtration-active substances of a particulate and/or fibrous structure. The hollow-cylindrical chamber can be flowed through radially by means of porous inner and outer peripheral walls (18, 19). The deep bed filter can be 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), Krashein
patent: 4828698 (1989-05-01), Jewell et al.
patent: 4986913 (1991-01-01), Schafft

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