Evaluation on a pilot-scale attached-growth pond system treating domestic wastewater

Pilot-scale experiments on attached-growth ponds (AGP) had been conducted to investigate the feasibility of improving waste stabilization ponds (WSP) performance through the incorporation of attached-growth media (AGM) or the so-called artificial fibrous carriers in the pond water. Better removal efficiencies of COD, BOD5 and NH4-N had been obtained in the AGP than in the conventional WSP through the comparative studies. On the basis of these results, a pilot-scale AGP system had been built and run, which had shown to have great advantages and stabilities with better effluent quality in performance in comparison with conventional WSP.