Vapor Phase Biofiltration for Removal of VOCsby Malcolm K. Man,
Badri N. Badriyha, (S.M.ASCE),
Massoud Pirbazari, (M.ASCE),
Abstract: The selection of an appropriate packing material for the biofiltration process is an important factor in the removal of contaminants from vapor phase. This study evaluates two different types of packing media, and focuses on the advantages of an adsorbing media (granular activated carbon) versus a non-adsorbing media (anthracite). The results showed that both media were able to achieve ≥99% removal efficiencies for methanol with no adverse effect on methylene chloride removals. However, there were definite differences between the two media in the biodegradation of methylene chloride. The results revealed that the GAC column allowed for a greater mineralization of methylene chloride, and supported a greater population of microorganisms than the anthracite column.
Subject Headings: Biological processes | Chloride | Materials processing | Filtration | Columns | Granular materials | Activated carbon
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