Wastewater generated from food production and agricultural activities is a major source of environmental pollution. It is also among the most difficult and costly waste to manage because food processing wastewater can contain large quantities of nutrients, organic carbon, nitrogenous organics, inorganics, suspended and dissolved solids, and it has high biochemical and chemical oxygen demands.
energy.Food industry wastewater treatment by physicochemical method using Zinc Sulphate, FerrousSulphate and Ferric chloride has been reported. Where the reduction in COD has been obtained 60% withalum dose of 200 mg/L[10]. The food processing wastewater shows large variation in BOD/COD, total solids and suspendedsolids, oil and