Journal of Industrial and Engineering Chemistry, Vol.30, 153-159, October, 2015
Effective curves of completing simultaneous ammonium and manganese removal in polluted water using a biological aerated filter
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This study was conducted to determine an effective completion point of the simultaneous removal of NH4 +-N and Mn2+, using a biological aerated filter (BAF). The simultaneous removal was performed and monitored under two operation modes: i.e., batch and continuous. Each mode was operated by supplying continuous aeration for 7.5 h and intermittent aeration for 6 h. The results showed a higher performance of the simultaneous removal of NH4 +-N and Mn2+ for the batch with full operation of aeration. The effective curves were detected for dissolved oxygen (DO), oxidation-reduction potential (ORP) and pH profiles, correlating with the complete simultaneous removal of NH4 +-N and Mn2+. By recognising the curves, the complete simultaneous NH4 +-N and Mn2+ removal can be predicted effectively, affecting a reduction in human capital and operating costs.
Keywords:Effective curve;Biological aerated filter;Simultaneous ammonia and manganese;Water treatment;Dissolved oxygen
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