BioGasBooster – Verfahren zur Erhöhung der Methanausbeute in Biogasanlagen
Wissenschaftler der Universität Bonn haben ein Verfahren entwickelt, um die Biogasausbeute bestehender Biogasanlagen signifikant und effizient zu steigern, ohne die Dimensionierung des Fermenters zu ändern.
Bedarfsgerecht kann durch Zugabe ethanolhaltiger Stoffe, z.B. aus der alkoholischen Fermentation etc., die Methanausbeute erheblich gesteigert werden. Die Methanproduktion kann dem jeweiligen Bedarf angepasst werden, sodass z.B. Energiebedarfsspitzen ohne Zwischenspeicher bedient werden können.
Die energiefressende Destillation von Ethanol, wie in der Bioethanolproduktion, kann dabei entfallen, da neben Ethanol alle weiteren organischen Materialien zu Biogas umgewandelt werden können. Optional kann auch ein Vorfermenter zur Herstellung von ethanolhaltigem Gärgut aus pflanzlichen Rohstoffen vorgeschaltet werde
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