Fig. 1. Removal of HA against dosage of polyaluminum chloride (PAC), aluminum sulfate (AS) and ferric chloride (FC). The removal was measured for each coagulant dosage added to sample water by measuring their absorbance at 260 nm (A260).
Fig. 1. Removal of HA against dosage of polyaluminum chloride (PAC), aluminumsulfate (AS) and ferric chloride (FC). The removal was measured for each coagulantdosage added to sample water by measuring their absorbance at 260 nm (A260).