Kinetics model of aerobic phase in hybrid anoxic-oxic process
SUN Hui-li, CHEN Zhi-qiang, Jang Tao, LV Bing-nan
State Key Laboratory of Urban Water Resource and Environment,School of Municipal and Environmental Engineering, Harbin Institute of Technology,Harbin 150090,China
Abstract:
Kinetics models of COD degradation,biomass growth of the anoxic-oxic (A/O) system as well as NH3-N degradation in aerobic phase were presented according to the mass balance theory,reaction-diffusion theory and Fick law. Then these models were testified by comparson with experimental results. It is demonstrated that the variation trends of theoretical and experimental values for COD degradation and biomass growth are similar. The deviation rate between theoretical and experimental values is always under 20% even it increases along with the fluctuation of influent organic loading. In terms of NH3-N degradation,nitrification can also be well simulated by the model as the substrates of influent are sufficient. It indicates that the model can accurately reflect the reaction in hybrid A/O process. Models presented herein provide a theoretical basis for the design, operation and control of hybrid A/O process.
Key words: hybrid anoxic-oxic process aerobic phase anoxic phase kinetics model testify
DOI：10.11916/j.issn.1005-9113.2010.02.003
Clc Number:X703
Fund:
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Kinetics model of aerobic phase in hybrid anoxic-oxic process
本站小编 哈尔滨工业大学/2019-10-23
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