Table 1 Selected variables for model inputs.
From: Prediction of Filamentous Sludge Bulking using a State-based Gaussian Processes Regression Model
Model inputs for OS GPR | Model inputs for MS GPR | ||
|---|---|---|---|
Variables | Comments | Variables | Comments |
DO | Dissolved Oxygen (mg/L) | SVI(t) | Current data |
COD | Chemical Oxygen Demand (mg/L) | SVI(t-1) | Data for one-step delay |
Qin | Flow Influent (m3/d) | SVI(t-2) | Data for two-steps delay |
SRT | Sludge Retention Time (d) | SVI(t-3) | Data for three-steps delay |
MLSS(Oxidation ditch) | Mixed Liquor Suspended Solids (mg/L) | SVI(t-4) | Data for four-steps delay |
SV%(Oxidation ditch) | Settling volume | SVI(t-5) | Data for five-steps delay |
SV%(recycle) | Settling volume | SVI(t-6) | Data for six-steps delay |
Temperature | Temperaturevalue (oC) | SVI(t-7) | Data for seven-steps delay |
