METHOD AND DEVICE FOR TREATING BIOMASS AND ORGANIC WASTE

The present invention provides a method for treatment of biomass material by fermentation, said method comprises a pre-treatment of the biomass material by thermal hydrolysis and wet explosion, resulting in an intermediate product having a dry matter concentration above 25% and temperature above 90°...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NILSEN, Paal Jahre, HOLTE, Hans Rasmus
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention provides a method for treatment of biomass material by fermentation, said method comprises a pre-treatment of the biomass material by thermal hydrolysis and wet explosion, resulting in an intermediate product having a dry matter concentration above 25% and temperature above 90° C. which is to be introduced to the fermentation, wherein a part of the content of the digestion tank used for the fermentation is recirculated and mixed with a part of the intermediate product from the pre-treatment.