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Experiment on Removal of Volatile Organic Wastegas Containing Benzene by Using Biotrickling Filtration


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Experiment on Removal of Volatile Organic Wastegas Containing Benzene by Using Biotrickling Filtration
GUAN Xiao-hui1LIU Hui-ju1ZHANG Lan-he123MENG Xiu-li1
1.School of Chemical Engineering,Northeast Dianli University,Jilin 132012,China;2.National Engineering Research Center of Urban Water Resources,Harbin 150090,China;3.School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin 150090,China
biotrickling filters benzene volatile organic compounds padding
A lab-scale removal experiment of volatile organic compounds(VOCs) containing benzene is carried out continuously by using a biotrickling filter.The effect of inlet concentration and carrier height on the removal efficiency and the change of the pressure drop are investigated.The results show that the maximum removal efficiency of VOCs is 97.55% when the inlet concentration is 467 mg/m3.The removal efficiency of benzene is 45% when the inlet concentration is 100 mg/m3.The removal efficiency of VOCs and benzene increases gradually with the increasing carrier height.The pressure drop of the biotrickling filter is 63.74 Pa and 140.24 Pa respectively at the initial and ultimate experiment stage.


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Last Update: 2010-04-30