Treatment of wastes

C - Chemistry – Metallurgy – 02 – F

Patent

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Details

C02F 3/10 (2006.01) B01F 3/04 (2006.01) C02F 3/04 (2006.01) C02F 3/24 (2006.01) C02F 3/30 (2006.01)

Patent

CA 2098088

Treatment of biological wastes which includes the steps of: (i) passing biological waste liquid comprising as a major carbon source organic acids containing 8 carbon atoms or less through a substan- tially vertically orientated curtain made of a material which may form a support for filamentous micro-organisms and/or symbionts included in said filamentous micro-organisms whereby said filamen- tous micro-organisms and/or symbionts may metabolise the organic acids in the presence of oxygen to carbon dioxide; and (ii) collecting said biological waste effluent after passage through the curtain for ultimate disposal. The invention also provides a waste treatment plant for treatment of biological wastes. The waste treatment plant contains one or more hanging curtains (16) made of sheet material for supporting the growth of adherent filamentous micro-organisms and also means (34, 34A, 39, 39A) for applying biological waste in li- quid form to one or both broad surfaces of the or each hanging cur- tain (16). There is also provided means (37, 37A, 38, 38A) for passing pressurised air over one or both broad surfaces of the or each hang- ing curtain and collection means (42A) for collecting processed waste effluent after passage through the or each curtain.

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