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Biological treatment of air emissions is a cost effective and sustainable alternative to high-temperature thermal oxidizers or flares as a means removing Hazardous Air Pollutants and Volatile Organic Compounds for emissions reductions.  This project will demonstrate the capture and treatment of air pollutants using two-stage biofiltration technology.  Biological treatment of waste air achieves pollutant destruction at ambient temperatures and does not generate secondary pollutants that result from flaring and other high-temperature oxidation technologies.  In this study, two types of biological treatment will be used together in tandem.  Contaminants are transformed to innocuous products through the action of microorganisms present in the treatment filter media.  Investigators will work with an industrial collaborator who will assist in operational design, construction of experimental equipment, data analysis, conceptual evaluation of experimental design and consultation.