Kinetic Analysis on Rotating Biological Contactor Treatment of Organic Matter

Fang Li; Zeng Lu Qi

doi:10.4028/www.scientific.net/AMR.599.322

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 599Kinetic Analysis on Rotating Biological Contactor...

Kinetic Analysis on Rotating Biological Contactor Treatment of Organic Matter

Abstract:

This paper adopts a 3-stage rotating biological contactor (RBC), studies kinetic analysis on RBC treatment of organic matter .Water temperature 25 °C and hydraulic retention time (HRT) 5h , COD concentration of influent varies from about 400 to 700mg / L, the average COD removal rate is 85% . According to Monod and Michaelis-Menten formula, organic matter removal kinetics equation in the first stage of RBC can be catched. When DO≥2mg/L, organic matter removal kinetic equation: U1=7.02S1/( S1+640.70), DO<2mg/L, organic matter removal kinetic equation: U2=35.97S2/( S2+4848.92) .Where U is substrate removal rate of unit area of disc, S is the organic matter concentration of substrate. Some reference values of the equation are very useful for practical application of RBC.

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Periodical:

Advanced Materials Research (Volume 599)

Pages:

322-325

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.599.322

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Online since:

November 2012

Authors:

Fang Li, Zeng Lu Qi

Keywords:

COD Removal Rate, Kinetic Equation, RBC

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