Record Display for the EPA National Library Catalog


Main Title Removal by Coagulation of Trace Organics from Mississippi River Water.
Author Semmens, M. J. ; Ayers, K. ;
CORP Author Minnesota Univ., Minneapolis. Dept. of Civil and Mineral Engineering.;Environmental Protection Agency, Cincinnati, OH. Water Engineering Research Lab.
Year Published 1985
Report Number EPA-R-806377; EPA/600/J-85/069;
Stock Number PB85-225555
Additional Subjects Organic compounds ; Coagulation ; Water pollution control ; Mississippi River ; Alums ; Trace elements ; Iron sulfate ; Effectiveness ; Removal ; Caprylic acid ; Salicylic acids ; Phenol ; Benzoic acids ; Carbon 14 ; pH ; Reprints ;
Library Call Number Additional Info Location Last
NTIS  PB85-225555 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 8p
In the study alum and ferric sulfate were evaluated for their effectiveness in removing four low-molecular-weight organic compounds - C14-labeled octanoic acid, salicylic acid, phenol, and benzoic acid - from Mississippi River water and from water samples free of natural organic matter. Removal of these model organic compounds ranged between 3 and 20 percent, which is similar to the removals observed for the <1K fraction of natural organic matter. Solution pH affected the removal of the aromatic compounds but not of octanoic acid. Except for benzoic acid, all the model compounds were removed better in the absence of natural organics. Removal was found to be relatively insensitive to coagulant dosage.