Evaluation of Trickle Bed Biofilter Media for Toluene Removal
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چکیده
منابع مشابه
Modeling and Simulation of Trickle Bed Air Biofilter for Removal of VOCs
In this study, a mathematical model is proposed which incorporates mass transfer process and biofilm reactions in trickle bed air biofilter (TBAB). The model consists of a set of mass balance equations for isopropyl alcohol (IPA), acetone (ACE) and oxygen within the bulk gas phase and within the biofilm. These set of ordinary differential equations are converted into non-dimensionalised form an...
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A tubular biofilter (TBF) which consisted of a closed chamber, a polyurethane sponge tube and a nutrient solution distributor was developed and evaluated under organic loading rates (OL) ranging from 18.7 to 149.3 gm(-3)h(-1) and gas empty bed residence times (EBRTs) of 30-5.0 s. Using toluene as model VOC, the startup of the TBF lasted approximately 7 weeks. The removal efficiency decreased fr...
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The goal of this study is to investigate the performance of a pilot-scale trickle-bed air biofilter (TBAB) for treating volatile organic compounds (VOCs) emitted from a manufacturer of optoelectronic apparatus. Different empty-bed residence times (EBRTs) of 90, 60, 30, 20 and 15 s were evaluated. Greater than 90% VOC removal efficiencies were achieved at EBRTs longer than 20 s. EBRTs of 20-30s ...
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An analysis of the local processes occurring in a trickle-bed bioreactor (TBB) with a first-order bioreaction shows that the identification of the TBB operating regime requires knowledge of the substrate concentration in the liquid phase. If the substrate liquid concentration is close to 0, the rate-controlling step is mass transfer at the gas-liquid interface; when it is close to the value in ...
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ژورنال
عنوان ژورنال: Journal of the Air & Waste Management Association
سال: 1995
ISSN: 1096-2247,2162-2906
DOI: 10.1080/10473289.1995.10467410