Paper

Analysis of Oxygen Interation Kinetics on Toluene Biofiltration


Authors:
S. M. Azam; A. A. Shaikh; Z. M. Shareefdeen
Abstract
In this study, the effect of oxygen on the removal of toluene is demonstrated using a biofilter packed with peat media. Experimental results obtained from the peat-biofilter are validated with numerical predictions from an earlier model. There is an acceptable agreement between them. The increase in the level of oxygen increased the removal of toluene; however, the effect was not significant at inlet concentration of 1.5 gm-3. A correlation between removal efficiency of toluene and fraction of oxygen in the inlet airstream is developed. The simulation data showed that at high toluene concentrations, the effect of oxygen was more significant. Although this study is of industrial significance, the results are valid for hydrophobic compounds (i.e., toluene). It is expected that for hydrophilic compounds (i.e., ethanol) the effect of oxygen in the inlet air on biofilter performance will be more prominent.
Keywords
Oxygen Limitation; Toluene Biofiltration; Peat Biofilter; Model Predictions; Experimental Validation
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