Fate of Alkylbenzenesulfonates and Dialkyltetralinsulfonates in Sewage-Contaminated Groundwater

Linear alkylbenzenesulfonate (LAS) behavior was characterized at a USGS research site during trickling filter sewage treatment, infiltration to groundwater, and groundwater transport using high-performance liquid chromatography with fluorescence detection (HPLC/FL) and fast-atom bombardment mass spe...

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Bibliographic Details
Published in:Environmental science & technology 1992-06, Vol.26 (6), p.1140-1148
Main Authors: Field, Jennifer A, Barber, Larry B, Thurman, E. Michael, Moore, Billy L, Lawrence, David L, Peake, David A
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Groundwaters
Natural water pollution
Pollution
Water treatment and pollution
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Summary:Linear alkylbenzenesulfonate (LAS) behavior was characterized at a USGS research site during trickling filter sewage treatment, infiltration to groundwater, and groundwater transport using high-performance liquid chromatography with fluorescence detection (HPLC/FL) and fast-atom bombardment mass spectrometry (FAB/MS). More than 96% of LAS was removed from the aqueous phase during sewage treatment, and another 3% was removed during infiltration. Therefore, groundwater LAS concentrations were below detection with HPLC/FL. FAB/MS revealed trace levels of LAS in groundwater up to 500 m downgradient from infiltration. The reaction by-products of LAS synthesis, dialkyltetralinsulfonates, were found to be in comparable concentrations to LAS in groundwater.
ISSN:0013-936X
1520-5851
DOI:10.1021/es50002a600