Feasibility study of coagulation system for greywater treatment and comparison of economical effects with those of electrocoagulation in mining areas

Coagulants exert a significant influence on removing turbidity, TSS and COD. This study has examined the effects of poly-aluminium chloride (PAC), aluminium sulphate (alum) and ferric chloride on removal of turbidity, TSS, COD from greywater in residential complexes of miners working in decorative stone mines.