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Journal Title
Title of Journal: Water Air Soil Pollut
Abbravation: Water, Air, and Soil Pollution
Publisher
Kluwer Academic Publishers
DOI
10.1007/s00398-011-0871-9
ISSN
1573-2932
The biodegradation kinetics of anionic sodium laureth sulfate – SLES amphoteric disodium cocoamphodiacetate – DSCADA and nonionic surfactants polyalcohol ethoxylate – PAE were assessed in this laboratory study Similar degradation behavior was observed for all surfactants with only a fraction of the parent compound readily biodegradable Biodegradation as estimated by COD removal was initially ie within 24 h rapid however only 40–70 of the surfactant molecules were readily biodegradable Intrinsic kinetic parameters were successfully quantified for the readily biodegradable component of the surfactant Inhibition was not observed and microbial kinetics of SLES DSCADA and PAE degradation fit the Monod model well Average μS curves were generated for each surfactant Based on these results complete degradation of the target surfactants using biological waste treatment would be limited