3.2. ApplicationsActivated bio filters can be used for treating municipal wastewater and biodegradableindustrial wastewater. ABF systems are especially useful where (65, 66):(a) Both BOD5 removal and nitrification are required.(b) Land availability is low.(c) Raw wastewater organic loadings fluctuate greatly, because of its ability to handle shock conditions.(d) Existing trickling filter facilities and overloaded existing secondary plants need to be upgradedat reduced cost.
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