Filtering apparatus and method

Details Filtering apparatus and method Filtering apparatus and method

B - Operations, Transporting

01

D

204/123, 182/31

B01D 24/10 (2006.01) B01D 24/04 (2006.01) B01D 24/46 (2006.01) B01D 35/06 (2006.01)

Patent

CA 1300036

A B S T R A C T A filtering method and apparatus in which a chamber has an inlet and a filtrate outlet. A perforated base is mounted within the chamber and a perforated piston is spaced therefrom, the base and the piston extending across the chamber between the inlet and outlet. A mass of fibres fill the space between the base and the piston. Means are provided to move the piston away from and towards the base, to enlarge and reduce the size of the space and a backwash of fluid through the space can take place in a direction away from the base and towards the inlet when the piston is moved back and forth during the backwash operation.

543588

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