Treatment of hydrocarbon fuel vapors in biofilters

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Abstract
Industrial processes and contaminated site remediation projects produce large‐volume air discharges with low concentrations of pollutants. Biofilters can treat such effluents by passing them through a damp porous medium which supports an active community of microorganisms. This paper reports bench testing of biofilters using soil, carbon and diatomaceous earth as support media for treatment of JP‐5 jet fuel and diesel fuel vapors. Activated carbon supported higher biodegradation rates than soil, and diatomaceous earth was least effective. Jet fuel was degraded more rapidly than diesel fuel.

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