Turbidity = 10 NTU

Initial turbidity

10

Optimal dose of Aluminum sulfate (mg/l) (1)

10

Optimal dose of sludge (mg/l) used within AS (2)

35

Dose of AS (mg/l) proposed to be used with optimal dose of sludge (3)

6

Turbidity removal percentage using only AS (1)

96.71%

Turbidity removal percentage using AS and sludge as coagulant aid (1) + (2)

97.14%

Turbidity removal percentage using optimal dose of sludge and AS (2) + (3)

97.56%