Coagulant

Dose

pH

Turbidity NTU^*

Sólids mL∙L⁻¹

BOD mg∙L⁻¹

Blank

-

11

1348 a

0f

1256 a

H₂SO₄

1.00 mL

4.50

122 b

20 e

754 b

EACB

1.50 g

4.50

96 b

200 a

463 c

ECAN

1.50 g

4.50

42 c

185 b

816 b

Gallic acid

0.20 g

4.50

30 c

72 d

525 c

Al₂(SO₄)₃

2.60 g

4.50

52 c

95 c

495 c