||Partitioning of Toxic Organic Compounds on Municipal Wastewater Treatment Plant Solids.
Dodds, R. A. ;
Jelus, M. ;
Cheng., K. Y. ;
||Environmental Protection Agency, Cincinnati, OH. Water Engineering Research Lab. ;Cincinnati Univ., OH. Dept. of Civil and Environmental Engineering.
Hazardous materials ;
Organic compounds ;
Sewage treatment ;
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Fundamental aspects of partitioning of toxic organic compounds on municipal wastewater treatment plant solids have been investigated. Sorption on wastewater solids was not affected by solids-to-liquid ratio. Kinetic data on sorption showed an initial rapid uptake followed by a slower rate over an extended period of time. Freeze-dried solids did not exhibit the same sorption characteristics as viable biomass. A correlation between sorption of toxic organics on wastewater treatment plant solids and the octonal/water partition coefficient has been established. The correlation should be useful for estimating the removal of toxic compounds in wastewater treatment plants by the sorption mechanism.