Draw block diagrams of the unit operations necessary to treat the following wastes to effluent levels of BOD5 = 200 mg/L, SS = 100 mg/L, P = 5 mg / L (required for discharge into a sanitary sewer). Assume all BOD is due to dissolved chemicals, and that all SS are inert.

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Waste Chemical Industry Pickle Cannery Fertilizer Mfg BOD (mg/L) 40,000 0 300 Suspended Solids (SS, mg/L) 0 300 300 Phosphorus (mg/L) 0 1 200 Waste Chemical Industry Pickle Cannery Fertilizer Mfg BOD (mg/L) 40,000 0 300 Suspended Solids (SS, mg/L) 0 300 300 Phosphorus (mg/L) 0 1 200