Granular fluid biofilter reversing

Liquid purification or separation – With gas-liquid surface contact means – With separator

Patent

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Details

210279, 210291, C02C 104

Patent

active

043790500

ABSTRACT:
A biological filter system has a bed of buoyant granules a portion of which xtends above the surface of the fluid. The bed is disposed above the effluent outlet. Distubutor and receiving means are provided by which the filter can be backwashed.

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