It indicated that CaCO3 shortens the settling time after the coagulation process. The SV produced after 30 min settling time was nearly half of the one using NaOH. The results show that this method can be applied to river water treatment.
It indicated that CaCO3 shortens thesettling time after the coagulation process. The SV produced after30 min settling time was nearly half of the one using NaOH. Theresults show that this method can be applied to river watertreatment.