Environmental Science
8 years ago

Biofluidized Bed Reactor Achieves 90% Removal of Domestic Wastewater Pollutants

Zhejiang Chemical Industry
Domestic Wastewater Treatment Using Biofluidized Bed Reactor
Yue Sun

Paper Summary

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The biofluidized bed reactor was used to treat domestic wastewater. Biofilm formation and the impact of hydraulic retention time and gas rate on treatment efficiency were examined. Biofilm formed easily, leading to high removal rates of COD, NH3-N, and TN at 90.6%, 86.7%, and 65.2% respectively. These results were achieved with an air/wastewater ratio of 15:1, a 3-hour retention time, and initial pollutant concentrations ranging from 310-550mg/L for COD, 30-40mg/L for NH3-N, and 35-50mg/L for TN.