Facile Elaboration of Wet Cellulose Film as Catalyst Support of MnOx Nanoparticles for the Catalytic Oxidation of Dyes in Absence of Light - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Clean Technologies Année : 2021

Facile Elaboration of Wet Cellulose Film as Catalyst Support of MnOx Nanoparticles for the Catalytic Oxidation of Dyes in Absence of Light

Larissa Oliveira
Lionel Limousy
Ludovic Josien
  • Fonction : Auteur
Samar Hajjar-Garreau
  • Fonction : Auteur
Marcos Bizeto
Fernanda Camilo
  • Fonction : Auteur

Résumé

In the present work a remarkably simple procedure for the elaboration of wet cellulose film containing manganese oxide nanoparticles was developed. The films were produced using a mold made by 3D printing using cellulose dissolved in an ionic liquid, which allows the production of thin and homogeneous films of different shapes, types and designs which cannot be made using conventional techniques. Thanks to this possibility, the final catalytic object can be implemented in specific reactors. Manganese oxide nanoparticles were prepared as a colloidal solution by a redox/sol-gel procedure and then deposited on the cellulose films by wet impregnation. The catalytic film obtained was tested in the decomposition of a dye, indigo carmine (IC), in the absence of light. The influence of the pH of the solution on the decomposition rate was investigated. IC total decomposition was measured after 1-h reaction at pH below 3. At pH = 2, no deactivation of the catalyst was observed even after four decomposition cycles. This work provides a new strategy to design cellulose-based catalysts for dye removal from wastewater.

Domaines

Chimie

Dates et versions

hal-03426750 , version 1 (12-11-2021)

Identifiants

Citer

Larissa Oliveira, Lionel Limousy, Simona Bennici, Ludovic Josien, Samar Hajjar-Garreau, et al.. Facile Elaboration of Wet Cellulose Film as Catalyst Support of MnOx Nanoparticles for the Catalytic Oxidation of Dyes in Absence of Light. Clean Technologies, 2021, 3 (2), pp.288-298. ⟨10.3390/cleantechnol3020016⟩. ⟨hal-03426750⟩
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