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Question : Distinguish between therolesofflocks andanaerobic sludge digesters insewage treatments.

Answer»

Solution :FLOCKS :
1.these are massesof bacteria associated with fungal filaments toform a MESH.
2.thesehelptoreducethe Bioogical oxygenDemand(BOD)of theprimary effiuent.
Anaerobic sludgedigesters
1. Herethe activatedsludgeconsistingof bacteria FUNGI is digestedbyanaerbic bacteria .
2. these help in theproducationofbiogas consistingof methane, hydrogensulphide andcarbon dixide .


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