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Thiabendazole fungicide adsorption onto four agricultural soils collected from the Loukkos area of northwestern Morocco

El Azzouzi Laila, El Aggadi Sanaa, Ennouhi Mariem, Ennouari Abdelali, El Fadil Imane, Zrineh Abdallah

Ecological Chemistry and Engineering. S

2022

Vol. 29, nr 2

217--226

A serious environmental problem can arise from the presence of pesticides in soils and waters. Hence, in this study we have carried out the adsorption of the Thiabendazole fungicide onto four soils collected from several areas in Morocco as Larache, Laouamra, Ksar kebir and Tlata drissana. Physicochemical properties, elemental analysis, X-ray diffraction (XRD) were investigated to characterise the four selected soils. The experimental equilibrium data were analysed using Langmuir, Freundlich models. The equilibrium data were best described by a Langmuir model for all adsorbents. The maximum estimated adsorption capacity was 0.747 mg∙g–1, 0.751 mg∙g–1, 0.473 mg∙g–1 and 1.083 mg∙g–1, for Larache, Laouamra, Ksar kebir and Tlata drissana soils, respectively.