If W is total BOD, V is filter volume and F is recirculation factor in a trickling filter, then unit organic loading is obtained by

If W is total BOD, V is filter volume and F is recirculation factor in

1.	If W is total BOD, V is filter volume and F is recirculation factor in a trickling filter, then unit organic loading is obtained by
A.	\(u = \frac{{WF}}{V}\)
B.	\(u = \frac{{VF}}{W}\)
C.	\(u = \frac{{WV}}{F}\)
D.	\(u = \frac{{W}}{VF}\)
Answer» E.

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If W is total BOD, V is filter volume and F is recirculation factor in a trickling filter, then unit organic loading is obtained by

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