Process Inputs Outputs Fish (kg) Energy (kW h) Wastewater (m3) BOD (kg) COD5 (kg) Nitrogen (kg N) Phosphorous (kg P) Solid waste (kg) Canning 1000 150-190 15 52 116 3 0.1-0.4 Head: 250 Bones: 100-150 Unloading fish for canning 1000 3 2-5 - 27-34 - - - Precooking of fish to be canned 1000 0.3-11 0.07-0.27 - - - - Inedible parts: 150 Nobbing and packing in cans 1000 0.4-1.5 0.2-0.9 - 7-15 - - Head and entrails: 150 Bones and meat: 100-150 Draining of cans containing precooked fish 1000 0.3 0.1-0.2 - 3-10 - - - Sauce filling 1000 - - - - - - Spillage of sauce and oil: varies Can sealing 1000 5-6 - - - - - - Washing of cans 1000 7 0.04 - - - - - Sterilization of cans 1000 230 3-7 - - - - -

Table 8: Inputs and outputs of fish canning process [28].