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