139
Process
Phase Aeration Electron/acceptor
Energy supply
Carbon supply
Nutrient
availability
Cause for
polyhydroxyalkanoates
accumulation
Anoxic-aerobic
Feast
Famine
No
Yes
NO
3 /NO
2
O
2
Substrate oxidation
Polyhydroxyalkanoates
oxidation
External substrate
Polyhydroxyalkanoates
Yes
Yes
Transient substrate
Microaerophilic
Feast
Famine
Yes
Yes
Limited O
2
Limited O
2
Substrate oxidation
Polyhydroxyalkanoates
oxidation
External substrate
Polyhydroxyalkanoates
Yes
Yes
Transient substrate
Limited electron/acceptor
Adapted from Kourmentza et al. (2017)
5 Integration of Polyhydroxyalkanoates Production with Industrial Wastewater…