Modeling of Biofiltration Process in Drinking Water Treatment |
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| Authors: | CHEN Wei XIA Qiong-qiong ZHENG Xing-can College of Environment Science Engineering Hohai University Nanjing China State Key Laboratory of Hydrology-Water Resource Hydraulic Engineering China National Engineering Research Center for Urban Water Wastewater Tianjin China |
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| Affiliation: | [1]College of Environment Science and Engineering, Hohai University, Nanj ing 210098, China [2]State Key Laboratory of Hydrology-Water Resource and Hydraulic Engineering, Nanjing 210098, China [3]National Engineering Research Center for Urban Water and Wastewater , Tianjin 300074, China |
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| Abstract: | The aim of this research is to develop a representative model which simulates the performance of a biofilter used to treat drinking water. A steady-sate model is applied. The Monod-type substrate utilization is used, and the external and the internal mass transfer are neglected in this model. The model describes the process of substrate biodegradation, bacterial attachment onto filter media, and detachment of suspended bacteria. It simulates the natural organic matter (NOM) and biomass profdes in a biofilter as a function of filter depth and filtration velocity. The key biokinetic parameters k and KS are estimated through a special experiment. The results of the model testing show that the model prediction agrees well with the experimental data. |
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| Keywords: | biodegradable organic matter biofilter drinking water modeling |
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