nov. 2007 1 co-digestion oosterhof holman milieutechniek b.v. kievitsweg 13 nl-9843 ha, grijpskerk...
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![Page 1: Nov. 2007 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](https://reader036.vdocuments.net/reader036/viewer/2022062409/56649ead5503460f94bb4940/html5/thumbnails/1.jpg)
Nov. 2007 1
CO-DIGESTION
Oosterhof Holman Milieutechniek B.V.
Kievitsweg 13NL-9843 HA, GrijpskerkThe Netherlands.
Tel.: (+31)(0)594 – 280 123Fax: (+31)(0)594 – 212 883E-mail:[email protected]
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Nov. 2007 2
Oosterhof Holman 2007
Oosterhof Holman Beheer bv
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Nov. 2007 3
Oosterhof Holman in the Netherlands
GrijpskerkGroningenKootstertilleGiekerkHarlingenArnhem AMSTERDAM
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Nov. 2007 4
Principle
Co-digester
Biogas CHP Engine
Manure
Energy cropscompost
biogas
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Nov. 2007 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
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Nov. 2007 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.
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Nov. 2007 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
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Nov. 2007 8
Storage of raw materials
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Nov. 2007 9
Dry Matter Feeding System
Screw Systems
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Nov. 2007 10
Dry Matter Feeding System
Trioliet
Walking Floor
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Nov. 2007 11
Digesters
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Nov. 2007 12
Second stage Digesters
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Nov. 2007 13
Combined Heat & Power Plants
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Nov. 2007 14
Heating System
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Nov. 2007 15
Typical Examples
Donderen, the Netherlands
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Nov. 2007 16
Typical Examples
Jelsum, the Netherlands
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Nov. 2007 17
Typical Examples
Winsum, the Netherlands
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Nov. 2007 18
Typical Examples
Haulerwijk, the Netherlands
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Nov. 2007 19
Optional• Drying of the digestate
– Compost (dry matter)– Fertilizer replacement (liquids)
• Green Gas production– Mixing into natural gas grid– As vehicle fuel