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Sludge Thickening & Dewatering Marius Botha. Bateman Bateman Bellmer Bellmer Products Products  Turbodrain as a thickener  Winklepress  Cascade Case.

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Presentation on theme: "Sludge Thickening & Dewatering Marius Botha. Bateman Bateman Bellmer Bellmer Products Products  Turbodrain as a thickener  Winklepress  Cascade Case."— Presentation transcript:

1 Sludge Thickening & Dewatering Marius Botha

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

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

4 BENV Board Executive Committee Bateman Engineering Projects SBU Australia & SE Asia BU CIS BU India BU Sub-Saharan Africa BU Global Technology BU Bateman Engineered Technologies SBU Bateman Engineered Technologies BU Delkor BU Bateman Mineral Recovery SBU Bateman Mineral Recovery BU Group Structure

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

6 Overview Products Machines: TurboDrain TM WinklePress TM Cascade S TM - dewatering screen for sludge thickening - TDC, TDH, TDH-L - belt press for sludge dewatering - WPN G, WPN K, WPN I, WPH TurboDrain TM WinklePress TM &

7 The BELLMER TurboDrain ™ TDH-L TDH TD Green

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

9 TURBODRAIN versus final clarification or DAF Final clarification or DAF TDN building Volume: 9000 m³Volume: 180 m³ Sometimes a picture is worth more than 1000 words ± 40 kW ± 8 kW

10 TURBODRAIN: EFFICIENCY Practically solids-free filtrate

11 WHITE WATER FILTRATION REFERENCES Polyelectroylte consumption (g/kg DS) CUSTOMERMachine Throughput of Plant Dry Solids loading Power Consumption m3/hkg/hkW (total) Technocell Dekor (Gunzach)2 off TDR 31209755.2 ITC Ltd (India)1 off TDR 41503504.4 Technocell Dekor (Canada)3 off TDR 51801125018 Technocell Dekor (Titisee-Neustadt)2 off TDR 3 + 1 TDR 421052508.9 Cartiere di Guarcino (Italy)2 off TDR 428022408.8 Polyelectrolyte consumption (g/kg DS)1.5 - 3 Filtrate Quality (mg/l)<50

12 TheWinklePress The BELLMER WinklePress ™ WPN-K WPN-I WPH WPN-G

13 BELLMER Winklepress WPN-K unique dewatering sections

14 BELLMER Cascade S

15 Turbodrain 1. sludge feed 2. filtrate outlet 3. waste water outlet Winklepress WPN transfer chute spreader box 1. 2.3. filtratewaste water dropping of the dewatered sludge BELLMER Cascade S Turbodrain reduces the hydraulic throughput Winklepress dewaters the sludge to highest dry solids

16 Comparison WPN vs. Centrifuge  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  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

17 Savings by Using a Winklepress instead of a Centrifuge LocationCentrifuge EUR/t Winklepress EUR/t Difference EUR/t Utrecht38632759 Nieuwegein38634541 Operation costs: Filtrate quality – 1500 mg/l Energy - 400.000 kWh/aPolymer - 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™TurboDrain™ vs DAF ± 8kW± 40kW Saving 80% WinklePressWinklePress™vs Centrifuge ± 5kW± 50kW Saving 90%

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

20 Mobile Testing Unit

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22 Proudly associated with in AFRICA


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