In which type of trickling filter is nitrogen oxidized? – McqOptions

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1.	In which type of trickling filter is nitrogen oxidized?
A.	tLow or standard filtration rate(Rock type)
B.	tIntermediate filtration rate (Rock type)
C.	tHigh filtration rate (Rock type)
D.	tRoughing (Plastic/Rock type)
Answer» B. tIntermediate filtration rate (Rock type)

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