A hypothetical water treatment train consisting of coagulation/flocculation unit
ID: 833164 • Letter: A
Question
A hypothetical water treatment train consisting of coagulation/flocculation unit, filtration unit and chlorination system is used to treat surface water characterized by bacterial concentration of 800,000 CFU/L. If the log removal for each system is as given in the Table below, what is the final concentration of CFU/L after the water goes through the treatment train?
Treatment Train Unit Log Removal for the unit
Coagulation/Flocculation 2.1
Filtration 1.3
Chlorination 2.5
Explanation / Answer
Filtration 1.3