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Sludge Thickening & Dewatering

Sludge Thickening & Dewatering. Marius Botha. Overview . Bateman Bellmer Products Turbodrain as a thickener Winklepress Cascade Case Studies. Bateman Engineering Globally. Offices in: India, South Africa, Australia, Canada, Switzerland, Netherlands, Russia

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Sludge Thickening & Dewatering

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  1. Sludge Thickening & Dewatering Marius Botha

  2. Overview • Bateman • Bellmer • Products • Turbodrain as a thickener • Winklepress • Cascade • Case Studies

  3. Bateman Engineering Globally • Offices in: India, South Africa, Australia, Canada, Switzerland, Netherlands, Russia • Delkor offices across the globe

  4. Group Structure

  5. Market leader with more than 4.500 references in the field of Separation Technology

  6. Overview Products Machines: TurboDrainTM WinklePressTM Cascade STM • dewatering screen • for sludge thickening • TDC, TDH, TDH-L • belt press for sludge dewatering • WPN G, WPN K, WPN I, WPH WinklePressTM TurboDrainTM &

  7. The BELLMER TurboDrain ™ TDH-L TDH TD Green

  8. TURBODRAIN™ Revolving belt Odout hood(Optional) Chicanes Ramp Thickened sludge discharge Drive Discharge Chute (Optional) Patented feed and maturing chamber Feed for flocculated suspension Clear Filtrate Spray Water

  9. TURBODRAIN versus final clarification or DAF Sometimes a picture is worth more than 1000 words Final clarification or DAF ± 40 kW ± 8 kW TDN building Volume: 9000 m³ Volume: 180 m³

  10. TURBODRAIN: EFFICIENCY Practically solids-free filtrate

  11. WHITE WATER FILTRATION REFERENCES • Polyelectroylte consumption (g/kg DS)

  12. TheBELLMERWinklePress™ WPN-I WPH WPN-G WPN-K

  13. BELLMERWinklepress WPN-Kunique dewatering sections

  14. BELLMERCascade S

  15. BELLMERCascade S Turbodrain 1. sludge feed 2. filtrate outlet 3. waste water outlet Turbodrain reduces the hydraulic throughput transfer chute 2. 3. 1. spreader box Winklepress WPN Winklepress dewaters the sludge to highest dry solids dropping of thedewatered sludge filtrate waste water

  16. Comparison WPN vs. Centrifuge • Cake dry solids content: 28 % • Polymer consumption (13-15 kg/t DS) • Low energy comsumption (40-50 kW) • High maintenance costs - fast running machine • Dirty filtrate: ~ 2000 mg/l • Cake dry solids content: 28 % • Polymer consumption (6-8 kg/t DS) • Low energy comsumption (4-5 kW) • Low maintenance costs • Clear filtrate: ~ 500 mg/l

  17. Savings by Using a Winklepress instead of a Centrifuge Operation costs: Filtrate quality – 1500 mg/l Energy- 400.000 kWh/a Polymer - 7.800 kg/a Costs - 34.000 €/a Costs - 60.000 €/a Costs - 15.600 €/a (for 0,15 €/kWh)(for 2,0 €/kg Polymer and 1.300 t/a biosludge)

  18. Conclusion • Power Consumption: • TurboDrain™ vs DAF • ± 8kW ± 40kW • Saving 80% • WinklePress™ vs Centrifuge • ± 5kW ± 50kW • Saving 90%

  19. Solids -24.000 t/a Clean Water-24.000 m³/a CO2 -160 t/aCosts -720.000 €/a Water for 500 people/a (for 200km) Reference Metsä Tissue RaubachSavings Tissue production 50.000 t/a Increase of the end dry content from 36 % to 60 % !

  20. Mobile Testing Unit

  21. Proudly associated with in AFRICA

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