Don’t forget methane! Enhance biogas utilization and minimise emissions: PRESENTATION ONLY
Ellen van Voorthuizen, Royal HaskoningDHV
(Free)
Sources of methane
Process elements after digestion are major source of methane emissions
Methane can be captured and utilised
Impact of methane emission is significant
Avoid short circuiting!
Mitigation strategies:
- Enhance retention time in digester > 20 days
- Consider digestion in series
- Cover post digester and utilise methane