Journal of Applied Sciences and Environmental Management

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Artificial Neural Network Modeling of an Inverse Fluidized Bed Bioreactor

M Raasimman, I Govindarajan, C Karthikeyan


The application of neural networks to model a laboratory scale inverse fluidized bed reactor has been studied. A Radial Basis Function neural network has been successfully employed for the modeling of the inverse fluidized bed reactor. In the proposed model, the trained neural network represents the kinetics of biological decomposition of pollutants in the reactor. The neural network has been trained with experimental data obtained from an inverse fluidized bed reactor treating the starch industry
wastewater. Experiments were carried out at various initial substrate concentrations of 2250, 4475, 6730 and 8910 mg COD/L and at different hydraulic retention times (40, 32, 24, 26 and 8h). It is found that
neural network based model has been useful in predicting the system parameters with desired accuracy.
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