Notice of RetractionKinetic Characteristics of Anaerobic Ammonium Oxidation, Methanogensis and Denitrification

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The kinetic characteristics of anaerobic ammonium oxidation, methanogenesis and denitrification inoculated with the granular sludge from EGSB reactor, in which they were integrated, were investigated by batch experiment,respectively. For anaerobic ammonium oxidation ,the kinetic parameters :the maximum NH⁺₄-N (mg/MLSS.h) reaction rate was 6.65 × 10^-3 mg/mg.h, the NH⁺₄-N half saturate coefficient were 87.1 mg /L and the NH⁺₄-N inhibition coefficient were 1123 mg/L, the nitrite nitrogen half saturate coefficient were 15.39 mg /L and the nitrite nitrogen inhibition coefficient were 159.5 mg/L, respectively. The kinetic parameters of methanogenesis were determined, the maximum specific degradation rate, half saturation coefficient and yield coefficient were 0.158 mgCOD/mgVSSh, 464 mgCOD /L and 0.254 mL CH₄ mgCOD^-1 respectively. The kinetic parameters of denitrification were determined, the maximum denitrification rate, half saturation coefficient of NO^-₂-N and COD were 0.0069 mg NO^-₂-N /mgMLSS.h, 2.26 mg NO^-₂-N/ L and 4.72 mgCOD /L respectively.