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Biotic And Abiotic Dehalogenation Of Halogenated Methanes: Trichlorofluoromethane, Dichlorodifluoromethane, And Tetrachloromethane, Briana M. Mcdowell
Biotic And Abiotic Dehalogenation Of Halogenated Methanes: Trichlorofluoromethane, Dichlorodifluoromethane, And Tetrachloromethane, Briana M. Mcdowell
Doctoral Dissertations
Trichlorofluoromethane (CFC-11), dichlorofluoromethane (CFC-12), and tetrachloromethane (CT) are fully halogenated methanes that were produced as refrigerants in the early part of the 1900s and later used in many industrial processes. They are ozone-depleting agents and common groundwater contaminants. They are volatile chemicals that are moderately soluble in water. Due to their volatility when released to the environment, they are predominantly found in the atmosphere, though they also dissolve into the groundwater. In anaerobic environments, they can undergo dehalogenation reactions with several redox-active compounds. This dissertation presents results from two treatability studies from sites contaminated with CFC-11, CFC-12, and CT. Additionally, …