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CO-DIGESTION

CO-DIGESTION. Oosterhof Holman Milieutechniek B.V. Kievitsweg 13 NL-9843 HA, Grijpskerk The Netherlands. Tel.: (+31)(0)594 – 280 123 Fax: (+31)(0)594 – 212 883 E-mail: info@oosterhof-holman.nl. Oosterhof Holman Beheer bv. Oosterhof Holman 2007. Oosterhof Holman in the Netherlands.

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CO-DIGESTION

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  1. CO-DIGESTION Oosterhof Holman Milieutechniek B.V. Kievitsweg 13 NL-9843 HA, Grijpskerk The Netherlands. Tel.: (+31)(0)594 – 280 123 Fax: (+31)(0)594 – 212 883 E-mail: info@oosterhof-holman.nl

  2. Oosterhof Holman Beheer bv Oosterhof Holman 2007

  3. Oosterhof Holman in the Netherlands GrijpskerkGroningenKootstertilleGiekerkHarlingenArnhem AMSTERDAM

  4. Biogas CHP Engine Principle biogas Manure Energy crops compost Co-digester

  5. Rules of Thumb • 1 m³ pig manure (PM) produces about 30 m³ of biogas • 1 ton of corn produces about 180 m³ of biogas • Mixture: about 2 to 1 (2 ton PM/1 ton Corn), total dry matter content must be smaller than 20%. • 1 m³ biogas generates about 1.8 kW of electricity. • Typical investment (Netherlands) : • 190 kWe installation: € 0,6 million • 1000 kWe installation: € 2.5 million

  6. Co-digestion in the Netherlands • Operational: 60 installations (25 built by Oosterhof Holman) • Max. Potential: 1000 installations, 300-500 MW installed electrical power. • Depends on electricity price, or possible gate fee for raw materials.

  7. The Installation • Storage of raw materials • Dry Matter Feeding System • 1 or more digesters • 1 or more second stage digesters • 1 or more CHP Plants • Transformerstation • Heating system • Process Control Sytem

  8. Storage of raw materials

  9. Dry Matter Feeding System Screw Systems

  10. Dry Matter Feeding System Trioliet Walking Floor

  11. Digesters

  12. Second stage Digesters

  13. Combined Heat & Power Plants

  14. Heating System

  15. Typical Examples Donderen, the Netherlands

  16. Typical Examples Jelsum, the Netherlands

  17. Typical Examples Winsum, the Netherlands

  18. Typical Examples Haulerwijk, the Netherlands

  19. Optional • Drying of the digestate • Compost (dry matter) • Fertilizer replacement (liquids) • Green Gas production • Mixing into natural gas grid • As vehicle fuel

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