Biogas Sizing Model

Estimate daily biogas production and size a wet anaerobic digester. Enter feedstocks (wet kg/day). Defaults for TS, VS, and specific gas yield (m³/kg VS) can be adjusted by changing feedstock types. Results are indicative—pilot testing is recommended.

Feedstocks (wet kg/day)

Methane fraction of biogasTypical 0.55–0.65 Hydraulic retention time (days)20–40 days common (mesophilic) Energy per m³ biogas (kWh/m³)Assumes ~60% CH₄ Recommended gas storage (fraction of daily gas)0.5–1.0 typical

Results

Total wet mass (kg/day): 0
Total VS (kg/day): 0
Biogas (m³/day): 0
Methane (m³/day): 0
Energy (kWh/day): 0
Digester working volume (m³): 0
Organic loading rate OLR (kg VS/m³·day): 0
Suggested gas storage (m³): 0

Guidance only. Yields vary with substrate, temperature, pretreatment, and operation.