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Application of Foam Fractionation to Wastewater Treatment

David Jenkins
Journal (Water Pollution Control Federation)
Vol. 38, No. 11 (Nov., 1966), pp. 1737-1766
Stable URL: http://www.jstor.org/stable/25035669
Page Count: 30
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Application of Foam Fractionation to Wastewater Treatment
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Abstract

Pilot-scale experiments on foaming of settled wastewater have shown that greatest enrichments were obtained for ABS and suspended solids. Removals of ABS and COD usually were less than 50 percent. Field installations of the foam fractionation process showed that the ABS contents of activated sludge effluents could be reduced to less than 1 mg/l. From the point of view of reuse, foam fractionation did not improve effluent quality significantly. An activated sludge process incorporating foam recycle provided continuously significant removal of ABS and suspended solids.

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