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The pesticide chlordecone is trapped in the tortuous mesoporosity of allophane clays

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Woignier T., Clostre F., Fernandes P., Soler A., Rangon L., Sastre-Conde M.I., Jannoyer-Lesueur M.
2017

Some volcanic soils like andosols contain short-range order nanoclays (allophane) which build aggregates with a tortuous and fractal microstructure. The aim of the work was to study the influence of the microstructure and mesoporosity of the allophane aggregates on the pesticide chlordecone retention in soils. Our study shows that the allophane microstructure favors pollutants accumulation and ...

Pollution; Chimie et physique du sol; Protection des végétaux : considérations générales

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