3. Biogas can then be used to generate renewable heat and power; ultimately helping reduce greenhouse gas emissions.
1. The AD process begins when biomass (or organie waste) is put inside a sealed tank or digester.
• Water for reuse 4. The remaining materiał
• (digestate) is rich in nutrients, so it
2. Naturally occurring micro- can usec^ as a fertilizer.
organisms digest the biomass,
which releases a methane-rich gas (biogas).