Liquid purification or separation – With gas-liquid surface contact means
Patent
1979-03-26
1981-10-13
Sever, Frank
Liquid purification or separation
With gas-liquid surface contact means
210605, C02C 104
Patent
active
042946948
ABSTRACT:
A substrate for biological filters and particularly anaerobic filters, the substrate comprising a plurality of elongate strips of plastics material having surfaces suitable for the attachment thereto of biologically-active organisms, the strips being arranged in use to be suspended in an array in a flowing stream of the liquid medium so that the strip and/or surfaces can randomly move in response to the flow to cause a change in the flow path past the strips.
REFERENCES:
patent: 3113102 (1963-12-01), Schulze
patent: 3231490 (1966-01-01), Fry
patent: 3371033 (1968-02-01), Simmons et al.
patent: 3617541 (1971-11-01), Pan
patent: 3794583 (1974-02-01), Rhodes
patent: 4141823 (1979-02-01), Smith
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