Anaerobic Digestion produces biogas, composed mainly of methane (CH4) and carbon dioxide (CO2). Biomethane is 98% methane and is obtained after biogas purification.
This biomethane is chemically identical to fossil natural gas, which is imported in its entirety. Biomethane production strengthens energy autonomy while contributing to the ecological transition.
The biomethane produced is injected into gas transmission or distribution networks, supplying homes, local authorities and industry, or can be used as a fuel (bioGNV).
Digestate is the residual material recovered at the end of the anaerobic digestion process. Comparable to compost, it has a high organic matter content and interesting fertilizing characteristics.
The digestate therefore serves as an organic soil improver for farmers who are partners in DualMetha projects. It increases the level of organic matter in soils (+3% in 10 years of use) and is capable of replacing chemical fertilizers in just a few years.
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