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Dragon Water Group Aquaculture 2
- 1. Your individual ocean.
- 2. Paradigm shift in marine Aquaculture Made in Germany
- 4. Ā© Johannes Arlt 35 years experience in marine land-based recirculation systems
- 5. Marine fish Farm System RAS 1 RAS 2 RAS 3 RAS 4
- 7. Water treatment on Highest Standard 50 mĀ³/h Fish basins Water volume 1500mĀ³ Drum Filtration I Skimmer & Ozonation Biological Nitritification Biological Denitrification Drum Filtration II 4500 mĀ³/h 1500 mĀ³/h 4500 mĀ³/h 4500 mĀ³/h 4500 mĀ³/h Primary water cycle Water recycling Secondary water cycle 10 mĀ³/h 2 mĀ³/h 10 mĀ³/h Sludge haul-off Sludge thickening 4 mĀ³/d 2 mĀ³/d 1 mĀ³/d 7 mĀ³/d Sludge Sewage 2 mĀ³/d 5 mĀ³/d Discharge Biogas
- 8. Two-stage solid separation Process water Sludge Foam Drum Filtration Foam Fractionation
- 9. Construction Biofilter Drum Filtration I Drum Filtration II Foam Fractionation Fish Basin Denitrification
- 10. Marine fish farm Vƶlklingen
- 11. Research & Development Biogas Plant Fish Farm Fish Processing Extension
- 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 / mĀ² / d] Nitrogen Uptake [g N / mĀ² / 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
- 14. Dissolved Nutrients Particulate Nutrients Dissolved Nutrients Marine Artificial Recirculating Ecosystem Sparus aurata Nereis sp. Solieria sp.
- 15. Microalgae Integration by phototrophic organisms Seaweed Halophytes Growth Nutrient Uptake Complexity
- 16. Recycling of discharge water* * Calculations are based on a water renewal rate of 1% of the systems volume per day Water renewal costs [ā¬ per year] Saving rate [%] Reduction of costs [ā¬ per year] Sea salt 196.224 ā¬ 80% 156.979 ā¬ Tap water 63.072 ā¬ 70% 44.150 ā¬ Sewage 117.734 ā¬ 100% 117.734 ā¬ Total 377.030 ā¬ 85% 318.864 ā¬