The use of Henry's law constants in the determination of factors that influence VOC concentration in aqueous and gaseous phases in wastewater treatment plant
Department of Chemical Engineering, Chemistry and Environmental Science
Master of Science
Kebbekus, Barbara B.
Lei, George Y.
Organic compounds--Environmental aspects
Henry's law constants
This study focuses on the determination and comparison of Henry's law constant of eight selected volatile organic compounds in the wastewater of Linden Roselle Sewerage Authority (LRSA) wastewater treatment plant. The factors that influence the vapor-aqueous equilibrium were studied by calculating the Henry's law constants of the different species determined in the gas phase before and after the spiking of different aqueous media. Both centrifuged and uncentrifuged wastewater samples were studied, and compared to distilled water.
For wastewater sample with no suspended particles, the amount of organics in wastewater appears to influence the Henry's law constant for compounds with low and medium dipole moment. For high dipole moment compounds, both dissolved organics in wastewater and the solubility of the compound influence the Henry's law constant. For species that form hydrogen bonds, hydrogen bond effects also play an important role.
For wastewater containing suspended particles, the parameters that influence the Henry's law constant include dipole moment of, salinity, and dissolved organics. For the species which form hydrogen bonds in water, a hydrogen bond effect was noted.
njit-etd1992-013 (64 pages ~ 3,501 KB pdf)
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Created April 5, 2005