Biogas is an energy source produced from the decomposition of organic matter. This decomposition process is called anaerobic digestion.
Anaerobic digestion only occurs above 37 C.
Component | Chemical Formula | Percentage Range (%) |
---|---|---|
Methane | CH₄ | 50–80 |
Carbon dioxide | CO₂ | 15–50 |
Nitrogen | N₂ | 0–10 |
Hydrogen | H₂ | 0–1 |
Hydrogen sulfide | H₂S | 0–0.5 |
Oxygen | O₂ | 0–2.5 |
Biogas compression requires caution. The hydrogen sulfide can corrode canisters and damage equipment.
Biogas upgrading is the removal of carbon dioxide and hydrogen sulfide from biogas.
After biogas upgrading, biogas can be compressed and stored.