The graph above illustrates the enhanced methane production rates exhibited by a pilot-plant Anaerobic Digestion (AD) plant when compared to the initial expectations based on laboratory testing of the feed material. The preliminary laboratory biomethane potential (BMP) testing produced an expected methane rate of 0.45 m3 methane/kg VS, however the full-scale plant averages 0.60 m3 methane/kg VS, and may indicate that the multistage system is providing additional efficiencies not expected from standard single-tank operation.
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