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Activated Carbon Supported Cobalt as Efficiency Adsorbent: Application Chemical Agricultural pollutant 2,4-D Herbicide Removal from Aqueous Solution

Abstract : In this work, an activated carbon derived from date pits and stems (DPSAC) was prepared by physical activation under N2 and used as a support of cobalt transition metals, by wetness impregnation at different Co content and different calcination temperatures. The optimal operator conditions were 20 wt% cobalt impregnation ratio and 300°C calcination temperature. The grafted material was characterized by methods: thermo gravimetric analysis (TGA), scanning electron microscopy (SEM), Fourier transform of infrared spectroscopy (FTIR). The activated carbon (DPSAC) and grafted activated carbon (Co/DPSAC) were realized on adsorption of 2,4-dichlorophenoxyacetic acid (2,4-D) from aqueous solution, it was found that the cobalt-grafted dates pits and stems activated carbon promoted the 2,4-D adsorption kinetics, The Langmuir and Freundlich isotherms models were applied for the adsorption results. The rate of adsorption of 2,4-D onto (DPSAC) and (Co/DPSAC) were estimated and described using a pseudo-second order model. © 2017, Oriental Scientific Publishing Company. All rights reserved.
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https://hal.univ-lorraine.fr/hal-02916933
Contributor : Pierre Magri <>
Submitted on : Tuesday, August 18, 2020 - 11:08:43 AM
Last modification on : Thursday, June 3, 2021 - 4:44:04 PM

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Imen Boughaita, Chafia Bouchelta, Mohamed Salah Medjram, Pierre Magri. Activated Carbon Supported Cobalt as Efficiency Adsorbent: Application Chemical Agricultural pollutant 2,4-D Herbicide Removal from Aqueous Solution. Oriental Journal of Chemistry, Oriental Scientific Publishing Company, 2017, 33 (5), pp.2226-2236. ⟨10.13005/ojc/330510⟩. ⟨hal-02916933⟩

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