(562bb) Small-Pilot Plant for Tertiary Treatment of Domestic Wastewater Using Algal Photo-Bioreactor, with Artificial Intelligence

Peters, R. W. - Presenter, University of Alabama at Birmingham
Karam, A., Nile University
Mostafa, M. K., Badr University in Cairo (BUC)
Elawwad, A., Cairo University
Zaher, K., Cairo University
Mahmoud, A. S., Housing and Building National Research Center
This study attempted to investigate the removal of biological oxygen demand (BOD), chemical oxygen demand (COD), total suspended solids (TSS), ammonia–nitrogen (NH4–N), and total phosphorus (TP) from secondary treated domestic wastewater using an algal photo-bioreactor. A small-pilot plant was constructed and operated for 112 days under continuous flow conditions at the Zenin Wastewater Treatment Plant, Giza, Egypt (WWTP) which consists of an algal photo-bioreactor with an effective volume of 188 liters and a lamella settler. The removal of the studied parameters was studied at different hydraulic retention times (HRTs) and mixed liquor suspended solids (MLSS) concentrations. Continuous illumination of the photo-bioreactor was maintained using sunlight in the morning and incandescent lamps at night. The best overall organic and nutrients removal efficiency was recorded for an HRT of 16.1 hours. Artificial neural network (ANN) analysis with a structure of 4–10–1 was used to predict the BOD, COD, TSS, NH4–N, and TP removal efficiencies. It was revealed that the ANN model adequately predicted the studied parameters removal efficiencies with r2 greater than 90%.


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