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What is the surface area of the plastic random packing conventional packing material used in trickling filters as the packing medium?

What is the surface area of the plastic random packing conventional packing material used in trickling filters as the packing medium? Correct Answer 98 m2/m3

The surface area for the plastic random packing of the conventional type packing material is about 98 m2/m3. This removes both Nitrogen and BOD. The void space is around 80%.

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