Method and apparatus for filtration using ferromagnetic metal fi

Details Method and apparatus for filtration using ferromagnetic metal fi Method and apparatus for filtration using ferromagnetic metal fi

1982-08-12

1985-01-22

Fisher, Richard V.

Liquid purification or separation

Processes

Using magnetic force

210795, 210223, 210508, 210275, 55 3, 55100, 428288, 428457, B01D 3506

Patent

active

044950748

ABSTRACT:
A filtrating method for removing suspended solids from a liquid by passing the liquid through a layer of filter medium in a magnetic field, the filter medium layer comprising a collection of organic fibers and ferromagnetic metal fibers. Usual suspended solids and relatively large magnetic suspended solids are arrested by the organic fibers, while fine magnetic suspended solids are arrested by the ferromagnetic metal fibers subjected to the action of the magnetic field. The collection of fibers achieves a high filtration efficiency, has outstanding regeneration characteristics, withstands continued use and is therefore very useful as a filter medium.

REFERENCES:
patent: 879930 (1908-02-01), Wiemann
patent: 2893561 (1959-07-01), Duzich
patent: 3219194 (1965-11-01), Schwartzwalder et al.
patent: 3539509 (1970-11-01), Heitman et al.
patent: 3925202 (1975-12-01), Hirs
patent: 4247398 (1981-01-01), Mohri
patent: 4279748 (1981-07-01), Inoue
patent: 4298478 (1981-11-01), Watson et al.
patent: 4309290 (1982-01-01), Heitkamp

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