Table 5 Values of parameters used in calculations
Parameter | Value | Definition |
|---|---|---|
\({\text{P}}_{\text{pusher}}\) | 7.5 | power of the flow pusher (kW) |
\({\text{t}}_{\text{pusher}}\) | 8,760 | annual operation time of flow pusher (h) |
\({\text{n}}_{\text{pusher}}\) | 2 | number of flow pusher |
\({\text{C}}_{\text{electricity}}\) | 2.5 | average electricity cost of Guishan WWTP (NTD kWh−1) |
\({\triangle{\text{P}}}_{\text{aerator}}\) | 33 | the increase of power of surface aerator (kW) |
\({\text{t}}_{\text{aerator}}\) | 8,760 | annual operation time of surface aerator |
\({\text{n}}_{\text{aerator}}\) | 3 | number of surface aerator |
\({\text{CFC}}_{\text{electricity}}\) | 0.509 | carbon emission coefficient of electricity in 2021 in Taiwan |