Biogasgewinnung aus Rindergülle und nachwachsenden Rohstoffen - Einfluss der Belastung des Fermenters

The organic loading rate (OLR) on the base of volatile solids (VS) is an important parameter for biogas yield. Based on the substrate balance equation in a completely stirred digesters and the substrate decay after a reaction of the first degree an assessment equation is derived, where the VS-biogas yield is computed depending on the VS-loading rate BR, the maximum possible biogas yield ym, the VS-concentration in the substrate c0 and a reaction rate constant . The equation was proven in systematically organic load increasing experiments at 35 °C.