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Henry van Veldhuizen Amersfoort, 2014

Henry van Veldhuizen Amersfoort, 2014. Vallei en Veluwe. Waterschap Vallei en Veluwe. 244. 833 ha 1.082.000 inhabitants 16 wwtp’s 1.471.00 p.e. WWTP Amersfoort (300.000 p.e.). Presentation. History Vision Energy and Resources Energy Measures WWTP Amersfoort

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Henry van Veldhuizen Amersfoort, 2014

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  1. Henry van Veldhuizen Amersfoort, 2014

  2. Vallei en Veluwe

  3. Waterschap Vallei en Veluwe 244. 833 ha 1.082.000 inhabitants 16 wwtp’s 1.471.00 p.e.

  4. WWTP Amersfoort (300.000 p.e.)

  5. Presentation History Vision Energy and Resources Energy Measures WWTP Amersfoort Research Omzet.Amersfoort Project Omzet.Amersfoort 2013: Procurement Omzet.Amersfoort phase 1 en 2 Future: Phase 3 Sludge drying

  6. Vision Energy and Resources (international) coöperationinnovation! Knowledge exchange Ambition (2010) energy Waste water Clean water Sludge Fuel Raw Materials Paper fibers/ cellulose sand nutrients

  7. Measureswwtp Amersfoort • 2010 • 2012 • 2011 • 2012

  8. 12.000.000 10.000.000 Introduction sand filter 8.000.000 kWh/y 6.000.000 Introduction bubble aeration 4.000.000 Biogas filtration with activated carbon 2.000.000 DEMON - 2005 2006 2007 2008 2009 2010 2011 2012 totaal verbruik elektriciteit elektriciteit voor beluchting elektriciteit door gasmotor inkoop van elektriciteit

  9. Research Omzet.Amersfoort (2010) • Results: • Central digestion + Thermal Pressure Hydrolysis • No PE dosing (effluent quality) • Bio-P en P-recovery • Sludge drying: 75% feasible, but many risc’s • CHP, no ORC

  10. Project Omzet.Amersfoort (2010) • Proposal: Three Phases: • Central digestion + Thermal Hydrolysis • Bio-P en P-recovery • Sludge drying with excess heat • LIFE+ subsidy: • Realisation innovative aspects (TPH, P, sludge drying) • Monitoring results • Knowledge sharing

  11. Project Omzet.Amersfoort Expected results: Phase 1: Energy: Amersfoort Energy Neutral Region 65% self sufficient Heat: dependent on process Sludge: 30% d.w. ROI: 6 years Phase 2: Phosphate: 40% recovery of total phosphate region Chemical usage: Reduction 50% Phase 3: Sludge drying Sludge: 90% d.w. for 75% of the sludge ROI 7 years

  12. 2013: Procurement • Procurement of Phase 1 and 2 at once • Selection: SH+E • TPH: Stulz – Lysotherm : • P recoverywith Wasstrip and Pearl

  13. ResultProcurement Phase 1 and 2: Energy en Phosphate: Amersfoort Energy neutral 130% Surplus: 2 M kWh/jaar Region 65% self sufficient 70% Heat: dependent on process maximum 40% recovery of total phosphate region 42% Chemical usage: Reduction 50% Sludge: 30% d.w. 31% ROI: 6 years 6,7 jaar

  14. Process according to procurement Silo Amersfoort VBT AT NBT wkk DEMON GI pearl BI4,0% strip BI 6% GT Buffer ontw Woudenberg TDH sec. slib extra wkk Nijkerk prim. slib GT sec. slib eindvw niet specifiek wkk + div Soest prim. slib GT sec. slib

  15. The movie ...

  16. Future: Phase 3 – sludge drying • Sludge drying with excess heat • Project not possible on WWTP Amersfoort with project period • Choice: pilot/demo with 10% on wwtp Ede: 200 kWth • Period: 2014-2016 • Interpretation of results for WWTP Amersfoort in 2015

  17. Everything clear… more information: www.omzetpuntamersfoort.nl/english

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