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1. |
For rock type of packing in intermediate filtration trickling filters what is the hydraulic rate considered? |
A. | 4-10 m3/m2.d |
B. | 10-15 m3/m2.d |
C. | 20-25 m3/m2.d |
D. | 25-30 m3/m2.d |
Answer» B. 10-15 m3/m2.d | |