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Removal of styrene vapor from waste gases by a trickle-bed air biofilter
1Department of Environmental Engineering, National Chung Hsing University, Taichung 402, Taiwan ROC. cslu@green.ev.nchu.edu.tw
Abstract:
The trickle-bed air biofilter (TBAB) performance for the removal of high-strength styrene was evaluated under different gas flow rates and influent concentrations. Under pseudo-steady-state conditions, the elimination capacity increased but the removal efficiency decreased with the increase of styrene loading. More than 90 and 80% removal efficiencies were achieved for influent styrene loadings below 32 and 55g/m(3)/h, respectively. The TBAB appears to be an effective treatment process for controlling high-strength styrene emission under low-to-medium loading conditions, and the effectiveness could be maintained over 140 days of laboratory operation.
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