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Comparison of biological reactors (biofilter, biotrickling filter and modified RBC) for treating dichloromethane vapors by Dr R. Ravi; Ligy Philip; T. Swaminathan is a Engineering article available to read on EtoBox.

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## Abstract **BACKGROUND:** Bioreactors used for waste gas and odor treatment have gained acceptance in recent years to treat volatile organic compounds (VOCs). Different types of bioreactors (biofilter, biotrickling filter and rotating biological reactor) have been used for waste gas treatment. Most studies reported in the literature have used one of these systems to treat several types of inorganic and organic gases either individually or in mixtures. Each of these reactors has some advantages and some limitations. Though biodegradation is the main process for the removal of pollutants, the mechanisms of removal and the microbial communities may differ among these bioreactors. Consequently their performance or removal efficiency may also be different. **RESULTS:** At low loading rate (<35 g m^−3^ h^−1^), all three bioreactors showed comparable removal efficiencies and elimination capacity, but at higher loading rates, rotating biological contactors (RBC) showed a better performance with higher removal efficiency (40–50%) than both the biofilter and biotrickling filter (20–40%). The biofilter showed a sharp drop in removal efficiency and elimination capacity at high loading rates.

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Author

Dr R. Ravi; Ligy Philip; T. Swaminathan

Publisher

Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0268-2575)

Published

2010

Language

EN

Field

Engineering (Physical Sciences)