Parameters

Engcobo WTW: Polymeric coagulant

(Zetafloc 2350)

Duivenhoks WTW: Aluminium Sulphate

Raw water turbidity (NTU):

C₀

15.9

12.5

C₀F

1.80

1.80

Purified (filtered) water:

C_F

1.79

0.17

C_FF

0.76

0.11

ΔC_F

1.03

0.06

δ

0.58

0.94

α

0.952

0.991

ϕ

88.74%

98.64%

95.22%

99.12%

Φ

93.15%

99.52%