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BIODISCS (RBC)

BIODISCS (RBC). Rev. 3-0104. Plant configuration. SEWAGE. PRIMARY TREATMENTS. RBC (BOD REMOVAL). RBC (NITRIFICATION). PURIFIED WATER. FINAL SEDIMENTATION. SLUDGE. Denitrification. Post-Denitrification. Pre-Denitrification. SEWAGE. PRIMARY TREATMENTS. SEWAGE. PRIMARY

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BIODISCS (RBC)

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  1. BIODISCS (RBC) Rev. 3-0104

  2. Plant configuration SEWAGE PRIMARY TREATMENTS RBC (BOD REMOVAL) RBC (NITRIFICATION) PURIFIED WATER FINAL SEDIMENTATION SLUDGE

  3. Denitrification Post-Denitrification Pre-Denitrification SEWAGE PRIMARY TREATMENTS SEWAGE PRIMARY TREATMENTS AEROBIC RBC ANOXIC RBC METHANOL (BOD ADDITION) ANOXIC RBC AEROBIC RBC PURIFIED WATER FINAL SEDIMENTATION PURIFIED WATER FINAL SEDIMENTATION SLUDGE SLUDGE

  4. The biological process carbon dioxide liquid film AIR oxygen biological growth WATER RBC media final product sludge particles

  5. Side view media cover shaft gearmotor

  6. Scheme and front view rotation RBC water media support media about 40% is submerged tank  shaft

  7. Hollow shaft and radial structure

  8. Hollow shaft under manufacturing process

  9. Plastic media truncated cones made of polyethylene copolymer

  10. Plastic media density DISCS CLEARANCE APPLICATION Standard density 19 mm High load BOD5 500  600 mg/l Medium density 16 mm Medium/low load BOD5 300  400 mg/l High density 12 mm Nitrification

  11. Critical situations for RBC • Inlet overload bacteria overgrowth  rotor weight increase • No water in the tankno buoyancy (Archimedian) force applied rotor supports overstressed • Energy black-outunbalanced bacteria growthunbalanced weight on the rotor

  12. Sernagiotto design • FEM(Finite Elements Method) analysis • Oversized and reinforced shaft and radial structure heavy duty design • Qualification stress test

  13. Qualification stress test Rotation: 3 times nominal speed Applied load: 2 times max operating load (100% clogging) Unbalanced rotation TARGET: over 5.000 hours test time equivalent to 100.000 hours regular operating time RESULT: POSITIVE, no defects

  14. Technical data MODEL U.M D 2300 C D 2300 M D 3600 C D 3600 M D 3600 L D 4000 C D 4000 M D 4000 L Overall diameter mm 2300 2300 3600 3600 3600 4000 4000 4000 Rated power kW 1.1 2.2 4 4 5.5 4 5.5 5.5 Number of sectors 2 3 2 3 4 2 3 4 MEDIA (equivalent area) Standard density m2 1150 1725 4645 6967 9290 5650 8475 11300 Medium density m2 1380 2070 5575 8360 11150 6910 10365 13820 High density m2 1725 2587 6967 10450 13935 8475 12713 16950 Population equivalent* P.E. 500-700 800-1100 2000-3000 3500-4500 4500-5500 2500-3500 4000-5500 5500-7000 *only BOD removal, medium density and municipal wastewater

  15. Biodisc vs Activated sludge Biodisc Activated sludge Sludge recirculation Operator attendance Space requested Final settling tank Energy consumption Modular configuration Environmental impact Bulking Capital costs NO NO LIMITED LIMITED (1/2 - 1/5) LOW (1/2 - 1/3) YES LOW NO HIGH YES YES LARGE LARGE HIGH NO HIGH YES LOW

  16. Nitrification and denitrification

  17. Plant assembling

  18. Installation

  19. Municipal application Customer SASSARI WWTP - Italy Model: (4) RBC D 3600 L-S (4) RBC D 3600 L-N2 (2) RBC D 3600 L-N Inlet Outlet Flow rate: 170 m3/h COD: 480 mg/l COD:  160 mg/l BOD5: 300 mg/l BOD5:  40 mg/l Suspended solids: 450 mgl Suspended solids: 80 mg/l

  20. Municipal application Customer POSITANO WWTP (SA) - Italy Model: (5) RBC D 3600 STD Inlet Outlet Flow rate: 215 m3/h COD: 480 mg/l COD:  160 mg/l BOD5: 300 mg/l BOD5:  40 mg/l Suspended solids: 450 mgl Suspended solids: 80 mg/l

  21. Municipal application Customer E.D.A.R. AGUILAR DE CAMPOO WWTP - Spain Model: (5) RBC D 4000 L-MD Inlet Outlet Flow rate: 135 m3/h BOD5: 177 mg/l BOD5:  25 mg/l Suspended solids: 143 mgl Suspended solids: 35 mg/l

  22. Municipal application Customer COLLINSTOWN WWTP - Ireland Model: (2) RBC D 2300 M-N1 Inlet Outlet Flow rate: 9.4 m3/h BOD5: 226 mg/l BOD5:  25 mg/l Suspended solids: 333 mgl Suspended solids: 35 mg/l

  23. Municipal application Customer LAS MATAS - LOS PENASCALES WWTP - Spain Model: (4) RBC D 3600 L-S Inlet Outlet Flow rate (average): 83 m3/h BOD5: 325 mg/l BOD5:  25 mg/l Suspended solids: 400 mgl Suspended solids: 35 mg/l

  24. Municipal + industrial application Customer CONSORZIO VILLA BASILICA E PESCIA Veneri WWTP (PT) - Italy Model: (24) RBC D 3600 L-S (8) RBC D 3600 L-N Inlet Outlet Flow rate: 640 m3/h COD: 380 mg/l COD:  160 mg/l BOD5: 220 mg/l BOD5:  40 mg/l Suspended solids: 180 mgl Suspended solids: 40 mg/l

  25. Industrial application (paper mill) Customer MOMO PAPER MILL (NO) - Italy Model: (4)RBC D 4000 L-S Inlet Outlet Flow rate: 65 m3/h COD: 500 mg/l COD: 160 mg/l BOD5: 275 mg/l BOD5: 40 mg/l Suspended solids: 65 mg/l Suspended solids: 80 mg/l

  26. Industrial application (dairy) Customer 3 "C" Ghilarza (Sardinia)) - Italy Model: (2)RBC D 3600 L-N (4)RBC D 3600 L-S Inlet Outlet Flow rate: 20 m3/h COD: 8000 mg/l COD:  160 mg/l BOD5: 5000 mg/l BOD5:  40 mg/l Suspended solids: 2000 mgl Suspended solids: 80 mg/l

  27. Industrial application (textile) Customer TINTORIA FINISSAGGIO 2000 Masserano (VC) - Italy Model: (1)RBC D 3600 L-S Inlet Outlet Flow rate: 60 m3/h COD: 420 mg/l COD:  160 mg/l BOD5: 200 mg/l BOD5:  40 mg/l Suspended solids: 66 mgl Suspended solids: 80 mg/l

  28. RBC D 2300 “Package”

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