Optimal and cost-effective industrial biomethanation of tobacco

However, such methane yield by anaerobic digestion was seen not to meet economic feasibility requirements. Instead, methane production rates should be increased up to 90 and 110 Nm3 methane/t fresh tobacco (1500 €/ha production costs) in order to achieve 8.91 and 9.08 years for investment return according to scenarios 1 and 2, respectively.