Abstract
Liquid-phase transfer coefficients of ten selected organic pollutants were measured simultaneously with the O2 reaeration coefficient in a 2L reactor. The contents of the reactor were stirred in the laboratory by a 0.15 m diameter propeller attached to a constant speed motor. The ratio of the mass transfer coefficient of the chemical to that of O2 is found to vary between 0.43 and 0.60 for eight of the chemicals tested. This result is in good agreement with the literature concerning high volatility chemicals. The value of this ratio for the other two chemicals was found to be 0.10 for nitrobenzene and 0.01 for phenol, confirming the predominance of gas phase resistances in the transport process for these two compounds.
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Ince, N., Inel, Y. Volatilization of organic chemicals from water. Water Air Soil Pollut 47, 71–79 (1989). https://doi.org/10.1007/BF00468998
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DOI: https://doi.org/10.1007/BF00468998