When the recirculation ratio in a high rate trickling filter is unity, then what is the value of the recirculation factor ?

When the recirculation ratio in a high rate trickling filter is unity,

1.	When the recirculation ratio in a high rate trickling filter is unity, then what is the value of the recirculation factor ?
A.	1
B.	> 1
C.	< 1
D.	Zero
Answer» C. < 1

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When the recirculation ratio in a high rate trickling filter is unity, then what is the value of the recirculation factor ?

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