Hydrodynamics and batch biodegradation of phenol in an Internal Loop Airlift Reactor
by Pichiah Saravanan, Kannan Pakshirajan, Prabirkumar Saha
International Journal of Environmental Engineering (IJEE), Vol. 2, No. 1/2/3, 2010

Abstract: Determination of Residence Time Distribution (RTD), oxygen volumetric mass transfer coefficient (k_La) and mixing pattern in an Internal Loop Airlift Reactor (ILALR) for both living and nonliving systems have been investigated in this paper. Optimal operating condition is found at a gas flow rate of 2 l min⁻¹. The estimated k_La values for nonliving and living system at 27°C are 0.004 s⁻¹ and 0.017 s⁻¹ respectively. Batch biodegradation of phenol with an initial concentration of 300 mg l⁻¹ by the mixed microbial culture occurs at a very high degradation rate (0.16 mg l⁻¹ h⁻¹).

Online publication date: Wed, 02-Dec-2009

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