Table 3. Parameters Set for the Selected Operational Scenarios.
Parameter tested | Scenario no. | HRT (d) | pH set-pointa | kLa (d–1) |
---|---|---|---|---|
kLa | S1 | 10 | 7.5 | 34 |
S2 | 0.5 | |||
HRT | S3 | 2 | 7.5 | 34 |
S4 | 5 | |||
S5 | 15 | |||
S6 | 20 | |||
pH | S7 | 5 | 6.5 | 34 |
S8 | 7 | |||
S9 | 8 | |||
S10 | NCc | |||
TAb | S11 | 5 | 7.5 | 34 |
The pH control system was implemented in the model as reported in SI.8, simulating one where the maximum pH value set was regulated with pure CO2 injection.
In this scenario, the concentration of TA (expressed in mol m–3) in the influent was increased.
NC: no pH control.