Surfactants in sediment of Itanhaém Estuary, São Paulo, Brazil

This study investigated surfactant levels in the sediment of Itanhaém Estuary through colorimetric methods with methylene blue active substances (MBAS). Samples were collected with a Van Veen bottom sampler at eight sampling points during autumn, winter, and spring of 2015. The results demonstrate g...

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Bibliographic Details
Published in:Journal of surfactants and detergents 2022-03, Vol.25 (2), p.281-288
Main Authors: Cesar‐Ribeiro, Caio, Prado, Tabata Sarti, Rosa, Helena Costi
Format: Article
Language:English
Subjects:
aquatic pollution
estuary
Itanhaém
surfactants
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Summary:This study investigated surfactant levels in the sediment of Itanhaém Estuary through colorimetric methods with methylene blue active substances (MBAS). Samples were collected with a Van Veen bottom sampler at eight sampling points during autumn, winter, and spring of 2015. The results demonstrate growing detergent deposition in the sediment of the estuary. Surfactant concentration was higher (16.18 μg MBAS g−1) around the sewage treatment plant (STP) than in the estuary in autumn, after the vacation/summer season when the population of the city had increased due to tourism. There was a significant (p 
ISSN:1097-3958
1558-9293
DOI:10.1002/jsde.12551