Explain how a biofilter can remove odours from STP?

Question

Explain how a biofilter can remove odours from STP?

Answer 1

The Biofilter is used for water with extremely high levels of contaminants and taste or odour problems. The Ozone pretreatment will oxidize or "break up" contaminants. If the contaminants are "cut up" by Ozone, the are more efficiently digested by the microorganisms. This allows greater contaminant loading by the BioSystem, more efficient digesting of contaminants and the ability for the system to deal with a wider range of contaminant problems.

Biofilter:

Treats sulfide and sulfur compounds; effective at removing hydrogen sulfide, organic sulfides, and mercaptans.

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