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Production and Characterization of Green Biosorbent Based on Modified Corn Cob Decorated Magnetite Nanoparticles
Laboratoire de Constitution et Réaction de la Matière, UFR SSMT, Université Félix Houphouët Boigny, Abidjan, Côte d’Ivoire
Laboratoire de Thermodynamique et de Physico-Chimie du Milieu, UFR SFA, Université Nangui Abrogoua, Abidjan, Cote d’Ivoire
Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
Institut National de la Recherche Scientifique (INRS-ETE), Université du Québec, Quebec City, Canada
Laboratoire de Constitution et Réaction de la Matière, UFR SSMT, Université Félix Houphouët Boigny, Abidjan, Côte d’Ivoire
- 1 Laboratoire de Constitution et Réaction de la Matière, UFR SSMT, Université Félix Houphouët Boigny, Abidjan, Côte d’Ivoire
- 2 Laboratoire de Thermodynamique et de Physico-Chimie du Milieu, UFR SFA, Université Nangui Abrogoua, Abidjan, Cote d’Ivoire
- 3 Laboratoire des Sciences et Technologies de l’Environnement, UFR Environnement, Université Jean Lorougnon Guédé, Daloa, Côte d’Ivoire
- 4 Institut National de la Recherche Scientifique (INRS-ETE), Université du Québec, Quebec City, Canada
- 5 Laboratoire de Constitution et Réaction de la Matière, UFR SSMT, Université Félix Houphouët Boigny, Abidjan, Côte d’Ivoire
Journal of Materials Science and Chemical Engineering·Volume 11 (2023)·Pages 1–12·Published 28 February 2023·DOI10.4236/msce.2023.112001
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Abstract
In most developing countries, particularly in the countries of sub-Saharan Africa, corn cobs are considered as waste polluting the environment during the harvest period of this cereal. In order to valorize this agricultural waste, high-performance, inexpensive and low-energy consumption magnetic bioadsorbents were prepared from corn cobs. The chemically activated raw corn cob was magnetized by coating the surface with magnetite nanoparticles. The prepared biosorbents were characterized by FT-IR, XRD, FE-SEM associated with EDX, HR-TEM, TG analysis, BET surface area analysis and XPS. The maximum specific surface area of 35.22 m 2 /g was reached. An attempt to use of these magnetic biosorbents for the removal of heavy metal like Cr(VI) from aqueous solution was envisaged.
KeywordsGreen BiosorbentCorn CobMagnetite NanoparticlesSurface ChemistryNaOH Activation
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