The synthesis of activated carbon from ground nut shells and its characteristics for the active removal of textile dyes

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Research Paper 07/03/2024
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The synthesis of activated carbon from ground nut shells and its characteristics for the active removal of textile dyes

R. Beautlin Nisha, M. Jaya Rajan
J. Bio. Env. Sci.24( 3), 20-26, March 2024.
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Conversion and utilization of agricultural waste biomass into activated carbon is an alternative for high cost green adsorbents. The preparation of Activated carbon from Ground nut shell, and agricultural waste was investigated and presented here. Ground nut shell activated carbon is infused with Potassium hydroxide and carbonized (6000C, 1hrs). The obtained substance was activated to improve the surface area. On increasing the pore volume maximum adsorption capacity will be attained. The resulting activated carbon was characterized for its functional groups, Thermal Stability, surface morphology, and Elemental Identification using FTIR, TGA/DTA, and SEM. The dye removal efficiency of the prepared activated carbon was evaluated by using Congo red. Parameters like dosage, concentration, and pH are monitored to improve the properties of the prepared material for adsorbing synthetic dyes and industrial effluents. The monolayer adsorption (Langmuir) and the multilayer adsorption (Freundlich) isotherm models were determined to identify the maximum uptake (qmax) of Congo red by the adsorbent.


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