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All Journal Molekul: Jurnal Ilmiah Kimia
Andi Muhammad Ichzan
Politeknik AKA Bogor
Chemical Engineering, Chemistry & Bioengineering Chemistry

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Equilibrium and Kinetic Study of Removal Copper(II) from Aqueous Solution Using Chicken Eggshells: Low Cost Sorbent Mohammad Jihad Madiabu; Joko Untung; Imas Solihat; Andi Muhammad Ichzan
Molekul Vol 16, No 1 (2021)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (301.965 KB) | DOI: 10.20884/1.jm.2021.16.1.658

Abstract

The research aims to investigate feasibility eggshells as potential adsorbent to remove copper(II) ions from aqueous solution. Eggshells powder was characterized using X-ray diffraction, scanning electron microscopy, and Fourier transform infrared spectroscopy. Effect of copper(II) initial concentration, adsorbent dosage, and contact time have conducted. The optimum adsorption condition obtained when 0.7 g eggshells applied to 50 mg/L copper(II) solution for 50 minutes. The maximum percentage of copper(II) removal was exceeded more than 85%. Langmuir and Freundlich isotherm model were applied to describe the equilibrium adsorption. Copper(II) kinetics sorption process was fitted to pseudo-second order model with a rate constant equal to 0.516 g/mg.min. The results clearly exhibit that eggshells powder can be effectively used to remove copper(II) ions from aqueous solutions.
Co-Authors Imas Solihat Joko Untung Mohammad Jihad Madiabu