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Production and Characterization of Green Biosorbent Based on Modified Corn Cob Decorated Magnetite Nanoparticles
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作者 n’guadi Blaise Allou n’goran sévérin eroi +2 位作者 Mougo André Tigori Patrick Atheba Albert Trokourey 《Journal of Materials Science and Chemical Engineering》 CAS 2023年第2期1-12,共12页
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 agricu... 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<sup>2</sup>/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. 展开更多
关键词 Green Biosorbent Corn Cob Magnetite Nanoparticles Surface Chemistry NaOH Activation
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