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 (kLa) 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 kLa 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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