Process Inputs Outputs Fish (kg) Energy (kW h) Wastewater (m3) BOD (kg) COD5 (kg) Nitrogen (kg N) Phosphorous (kg P) Solid waste (kg) Fish meal and fish oil 1000 Electricity: 32 - - - - - - Cooking of fish 1000 90 - - - - - - Pressing the cooked fish 1000 - 750kg water 150kg oil - - - - Press cake: 100 dry matter Drying of press cake 1000 340.0 - - - - - - Fish oil polishing 1000 Hot water 0.05-0.1 - 5 - - - Stick water evaporation 1000 475 - - - - - Concentrated stick water: 250 Dry matter: 50

Table 9: Inputs and outputs of fish meal production process [28].