IWA Publishing

Skip to Main Content

Table 2

Achievable turbidity values of the supernatants in the case of different coagulants

Added materials	Turbidity values of the supernatants
Added materials	Polyaluminum chloride (BOPAC)	Iron(III) chloride	Iron(III) sulfate	Aluminum(III) chloride
20 mg L⁻¹ M	35	160	175	75
100 mg L⁻¹ Bent. +20 mg L⁻¹ M	7	173	190	82
20 mg L⁻¹ M +0.5 mg L⁻¹ PE	5	91	96	22
100 mg L⁻¹ Bent. +20 mg L⁻¹ M +0.5 mg L⁻¹ PE	4	88	110	44

Added materials	Turbidity values of the supernatants
Added materials	Polyaluminum chloride (BOPAC)	Iron(III) chloride	Iron(III) sulfate	Aluminum(III) chloride
20 mg L⁻¹ M	35	160	175	75
100 mg L⁻¹ Bent. +20 mg L⁻¹ M	7	173	190	82
20 mg L⁻¹ M +0.5 mg L⁻¹ PE	5	91	96	22
100 mg L⁻¹ Bent. +20 mg L⁻¹ M +0.5 mg L⁻¹ PE	4	88	110	44

M: given coagulant metal ion; Bent.: Na-bentonite; PE: UNIFLOC-LT27 anionic polyelectrolyte.