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Mesoporous nanomaterials based on manganese with different interlayer alkali cations: An efficient approach for the removal of Pb(II) and Cd(II) from aqueous medium

Abstract : The unique properties of nanomaterials provide a promising solution for environmental applications. Thus, three nanomaterials based on manganese birnessite-type in the form of well-structured nanowires and nanoflowers were synthesized by soft hydrothermal treatment, simple economical and without adding reagents or any other processes. Interlayer alkali cations (K+, H+ and Na+) inserted in the birnessite structure have demonstrated their effect on the structural and morphological properties of the nanomaterials and consequently on their metal ions removal efficiency. K-MnO2 nanowires with inserted K+ ions were characterized by high performance in short processing time (5 min) compared to other nanomaterials. The maximum adsorption quantities were respectively for Pb(II): K-MnO2 (300 mg/g)
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https://hal-cea.archives-ouvertes.fr/cea-03528066
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Submitted on : Monday, January 17, 2022 - 9:17:10 AM
Last modification on : Wednesday, August 24, 2022 - 3:31:28 AM

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Amina Amarray, Sanae El Ghachtouli, Jocelyne Leroy, Patrick Bonnaillie, Khaoula Khaless, et al.. Mesoporous nanomaterials based on manganese with different interlayer alkali cations: An efficient approach for the removal of Pb(II) and Cd(II) from aqueous medium. Journal of Water Process Engineering, Elsevier, 2021, 40, pp.101944. ⟨10.1016/j.jwpe.2021.101944⟩. ⟨cea-03528066⟩

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