More Related Content Similar to Dragon Water Group Aquaculture 2 Similar to Dragon Water Group Aquaculture 2 (20) Dragon Water Group Aquaculture 24. © Johannes Arlt 35 years experience in marine land-based recirculation systems 7. Water treatment on Highest Standard 50 m³/h Fish basins Water volume 1500m³ Drum Filtration I Skimmer & Ozonation Biological Nitritification Biological Denitrification Drum Filtration II 4500 m³/h 1500 m³/h 4500 m³/h 4500 m³/h 4500 m³/h Primary water cycle Water recycling Secondary water cycle 10 m³/h 2 m³/h 10 m³/h Sludge haul-off Sludge thickening 4 m³/d 2 m³/d 1 m³/d 7 m³/d Sludge Sewage 2 m³/d 5 m³/d Discharge Biogas 12. Integrated aquaculture Algae Plants Fish Dissolved Nutrients Particulate Nutrients Power & Heat Energy Recycling Nutrient Recycling Invertebrate Bacteria 13. Integration by phototrophic organisms Source of Data Growth [g DW / m² / d] Nitrogen Uptake [g N / m² / d] Literature 40 - 100 3,0 - 7,5 Microalgae own studies* 16 - 71 1,2 - 5,3 Literature 6 - 100 0,7 - 6,0 Seaweed own studies* 1 - 24 0,6 - 1,5 Literature 1 - 7 0,03 - 0,2 Halophytes own studies 1 - 17 0,03 - 0,5 * artificial light 16. Recycling of discharge water* * Calculations are based on a water renewal rate of 1% of the systems volume per day Water renewal costs [€ per year] Saving rate [%] Reduction of costs [€ per year] Sea salt 196.224 € 80% 156.979 € Tap water 63.072 € 70% 44.150 € Sewage 117.734 € 100% 117.734 € Total 377.030 € 85% 318.864 €