Table 4

S.No	Particular/Unit	BOD in mg/L	COD in mg/L	BOD out mg/L	COD out mg/L	% Reduction
S.No	Particular/Unit	BOD in mg/L	COD in mg/L	BOD out mg/L	COD out mg/L	BOD mg/L	COD mg/L
1	Advanced oxidation process coupledcoagulation, and flocculation	4767	5600	959	1150	79	79
2	Biological treatment coupled advanced oxidation processfollowed bysand and activated carbon filters.	959	1150	84	140	91	87

Table 4: Stage wise reduction of biological oxygen demand, and chemical oxygen demand.