Effect of temperature on the biodegradation of linear alkylbenzene sulfonate and alcohol ethoxylate
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The effect of temperature on the biodegradation of linear alkylbenzene sulfonate (LAS) and alcohol ethoxylate (AE) was evaluated using method OECD 303 A, Confirmatory test (Husmann units). The experiments were performed using an initial surfactant concentration of 10 mg/L and working temperatures of 25, 15, and 9°C, keeping the biodegradation units inside a thermostatic chamber. In all cases, the removal of both surfactants tested, LAS and AE, was higher than 90%, regardless of the temperature used in the test. We observed that longer acclimation periods were needed by the microorganisms at lower temperatures.
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- Effect of temperature on the biodegradation of linear alkylbenzene sulfonate and alcohol ethoxylate
Journal of Surfactants and Detergents
Volume 9, Issue 1 , pp 69-75
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- Activated sludge
- alcohol ethoxylates
- linear alkylbenzene sulfonate
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