Question

question 30 (multiple choice worth 4 points) (03.08 mc) in some wastewater treatment facilities, pharmaceuticals and heavy metals are also broken down. how is this done? with open basin aeration using primary clarifiers with biotechnology using grit and bar screening

Explanation:

Biotechnology can involve the use of microorganisms and enzymes to break - down pharmaceuticals and heavy metals in wastewater treatment. Open - basin aeration is mainly for oxygenating wastewater to support aerobic bacteria for general organic matter degradation. Primary clarifiers are for removing suspended solids. Grit and bar screening are for removing large debris and grit.

Answer:

C. With biotechnology