Synthesize and characterization of sawdust/MnFe2O4Nano composite for removal of indigo carmine from aqueous solutions

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Abstract

Sawdust/MnFe2O4 nano composite was prepared and characterized by FTIR, XRD, SEM and BET. The sawdust, MnFe2O4 nano particles and sawdust/MnFe2O4 nano composite were used for removal of indigo carmine (IC). The maximum percentage of adsorption of IC was found at contact time of 15 min and pH 2. The adsorption of IC followed by pseudo second order kinetic model. The experimental data of sorption isotherms analyzed with Langmuir and Freundlich isotherm. The adsorption of IC was best described by the Freundlich isotherm model. Thermodynamic results indicated that adsorption of IC is endothermic and spontaneous process. The reused sorbent can be regenerated and employed after 5 cycle with good efficiency.

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Hidarian, M., & Hashemian, S. (2014). Synthesize and characterization of sawdust/MnFe2O4Nano composite for removal of indigo carmine from aqueous solutions. Oriental Journal of Chemistry, 30(4), 1753–1762. https://doi.org/10.13005/ojc/300434

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