Chemistry

Reusable and effective polyacrylic membranes for mecoprop and bentazon extractions

G. Utzeri, J. C. Guirado-moreno, et al.

This study introduces innovative reusable polyacrylic membranes designed for efficient pesticide extraction, achieving remarkable removal efficiencies for mecoprop and bentazon. Developed by a team of researchers including Gianluca Utzeri, José Carlos Guirado-Moreno, and Tânia F. G. G. Cova, these environmentally friendly membranes can be reused for at least 4 cycles while showcasing exceptional performance and compatibility.

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Abstract

This study introduces reusable polyacrylic membranes for effective pesticide extraction. These membranes, fabricated from commercially available monomers, remove mecoprop (RE ≈ 99%) and bentazon (RE ≈ 95%) at low concentrations. The membranes are manageable, resistant, environmentally friendly, and reusable for at least 4 cycles. Characterization techniques (NMR, TGA, DSC, mechanical testing, N2 adsorption, FTIR) investigated properties and sorbent-sorbate interactions. Sorption kinetics, isotherms, and permeation studies revealed hydrophobic-hydrophobic interactions. Molecular dynamics simulations showed a scorpion-like macromolecular chain conformation surrounding the pesticides.

Publisher

npj Clean Water

Published On

May 14, 2024

Authors

Gianluca Utzeri, José Carlos Guirado-Moreno, Tânia F. G. G. Cova, Alberto A. A. C. Pais, Luis A. E. Batista De Carvalho, Saturnino Ibeas, José M. García, Artur J. M. Valente, Saúl Vallejos

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