Use of chlorine in the treatment of sewage_________________?
Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.
A. Causes bulking of activated sludge
B. Increases the biological oxygen demand (BOD)
D. Aids in flocculation
Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.