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Abstract

Progress in Petrochemical Science

Comment on “Utilization of NaOH Treated Rice Husk for Adsorptive Discharge of Eriochrome Black-T from an Aqueous Solution”

  • Open or CloseMunusamy Thirumavalavan*

    Department of Chemistry, Saveetha Engineering College, India

    *Corresponding author:Munusamy Thirumavalavan, Department of Chemistry, Saveetha Engineering College, Tamil Nadu, India

Submission: November 25, 2024; Published: December 02, 2024

DOI: 10.31031/PPS.2024.06.000645

ISSN 2637-8035
Volume6 Issue4

Abstract

This work commented on the recently reported work by Khan MI et al. [1] entitled “Utilization of NaOH treated rice husk for adsorptive discharge of Eriochrome Black-T from an aqueous solution” published in Progress in Petrochemical Science in 2024. This is an exciting work dealing with the batch adsorption of Eriochrome Black-T (EBT) dye from aqueous solution to NaOH-Treated Rice Husk (TRH). Experimental data were analyzed by using various adsorption isotherms, including Langmuir, Freundlich, Dubinin-Radushkevich (D-R) and Tempkin. The study found that the experimental results closely matched the Freundlich adsorption isotherm. The thermodynamic analysis of EBT adsorption on Treated Rice Husk (TRH) revealed an endothermic reaction with a positive enthalpy (ΔHo=20.57KJ/mol). Furthermore, the negative values of Gibb’s free energy suggested that EBT adsorption onto TRH was a spontaneous event.

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