REMOVAL OF METHYL ORANGE DYE FROM AQUEOUS SOLUTIONS USING NIFE2O4 NANOPARTICLES: EQUILIBRIUM AND KINETIC STUDIES

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SOBHANARDAKANI S.; ZANDIPAK R.

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Journal: IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT Year:2016 | Volume:9 | Issue:2 Page(s): 247-258

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Title

REMOVAL OF METHYL ORANGE DYE FROM AQUEOUS SOLUTIONS USING NIFE2O4 NANOPARTICLES: EQUILIBRIUM AND KINETIC STUDIES

Author(s)

SOBHANARDAKANI S. | ZANDIPAK R. | Issue Writer Certificate

Keywords

NIFE2 O4 NANOPARTICLESQ2

METHYL ORANGEQ1

ADSORPTIONQ2

ISOTHERMQ2

Abstract

Background and Objective: Dyes are important pollutants that lead to producing serious hazards to human, other animals and organisms. Dyes are not biodegradable by aerobic treatment processes. Therefore, their removal from industrial effluents before discharging into the environment requires extreme and great attention. The aim of this research was to evaluate removal efficacy of METHYL ORANGE dye from aqueous solutions using NiFe2O4 nanoparticles.Materials and Methods: This study was an empirical investigation in which NiFe2O4 nanoparticles were synthesized by co-precipitation method and were used as an adsorbent for the removal of METHYL ORANGE from aqueous solution. NiFe2O4 nanoparticles were characterized using X-Ray Diffraction (XRD), Transmission Electronic Microscopy (TEM), pHpzc and SEM-EDX elemental analysis methods. Experiments were conducted discontinuously using 20 mL METHYL ORANGE solution of 40 mg/L. The effect of variables such as pH (2-8), amount of adsorbent (0.009-0.07 g) and contact time (2-70 min) on the efficacy of dye removal was studied. Finally, experimental data were compared by Langmuir, Freundlich, and Temkin ISOTHERMs and pseudo-first-order and pseudo-second-order kinetic models.Results: TEM images showed that the NiFe2O4 nanoparticles had spherical shapes with the size of 12 nm. The results indicated that removal efficiency increased up to 0.04 g adsorbent and 20 min contact time. The optimum pH for methyl range removal was 2. Moreover, under these conditions, the ADSORPTION process followed the Langmuir ADSORPTION ISOTHERM with a correlation coefficient of 0.995 and pseudo-second-order kinetic model with a correlation coefficient of 0.999. Also, the maximum ADSORPTION capacity of the prepared adsorbent was 135 (mg/g) for Langmuir ISOTHERM.Conclusion: The NiFe2O4 nanoparticles are effective and available adsorbents for the removal of METHYL ORANGE from industrial wastewater.

Cites

REMOVAL OF RHODAMINE B FROM AQUEOUS SOLUTION USING PHOTOCATALYST OF NANOWIRE OF ZINC OXIDE DOPED WITH LANTHANUM

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APA: Copy

SOBHANARDAKANI, S., & ZANDIPAK, R.. (2016). REMOVAL OF METHYL ORANGE DYE FROM AQUEOUS SOLUTIONS USING NIFE₂O₄ NANOPARTICLES: EQUILIBRIUM AND KINETIC STUDIES. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 9(2), 247-258. SID. https://sid.ir/paper/145696/en

Vancouver: Copy

SOBHANARDAKANI S., ZANDIPAK R.. REMOVAL OF METHYL ORANGE DYE FROM AQUEOUS SOLUTIONS USING NIFE₂O₄ NANOPARTICLES: EQUILIBRIUM AND KINETIC STUDIES. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2016;9(2):247-258. Available from: https://sid.ir/paper/145696/en

IEEE: Copy

S. SOBHANARDAKANI, and R. ZANDIPAK, “REMOVAL OF METHYL ORANGE DYE FROM AQUEOUS SOLUTIONS USING NIFE₂O₄ NANOPARTICLES: EQUILIBRIUM AND KINETIC STUDIES,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 9, no. 2, pp. 247–258, 2016, [Online]. Available: https://sid.ir/paper/145696/en

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