OPTIMIZATION OF ADSORPTION PROCESS OF CADMIUM IONS FROM SYNTHETIC WASTEWATER USING SYNTHESIZED IRON MAGNETIC NANOPARTICLES (FE3O4)

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KARIMI TAKANLU L.; FARZADKIA M.; MAHVI A.H.; ESRAFILI A.; GOLSHAN M.

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Journal: IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT Year:2014 | Volume:7 | Issue:2 Page(s): 171-184

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Title

OPTIMIZATION OF ADSORPTION PROCESS OF CADMIUM IONS FROM SYNTHETIC WASTEWATER USING SYNTHESIZED IRON MAGNETIC NANOPARTICLES (FE3O4)

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Keywords

ADSORPTIONQ2

CADMIUMQ2

MAGNETITE NANOPARTICLESQ2

FE3O4Q2

Abstract

Background and Objectives: CADMIUM can enter water resources through the industrial wastewater. It could cause intensivly damages to the liver and kidney of humans. Magnetic iron nanoparticles are used to control and eliminate heavy metals from industrial effluents through the mechanisms of ADSORPTION, ion exchange and electrostatic forces. The aim of this study was to evaluate the efficiency of magnetic nanoparticles for ADSORPTION of CADMIUM.Methods: The MAGNETITE NANOPARTICLES were prepared by co-precipitation method through the addition of bivalent and trivalent iron chloride under alkaline conditions. Characteristics of nanoparticles including particles structure, composition and size were determined using analytical devices such as XRD, SEM, and FT-IR. For optimization of ADSORPTION process of CADMIUM, some parameters such as pH, contact time, initial concentration of CADMIUM, nanoparticles concentration, and temperature were studied under different conditions.Results: It was found that 95% of CADMIUM could be removedAt pH ≥ 5.6, 10 mg/L initial CADMIUM concentration, a dose of 1 mg synthesized MAGNETITE NANOPARTICLES, 10 minutes contact time, and 200 rpm mixing rate at 25oC. The isotherm of ADSORPTION follows the Langmuir model (R2<0.995). Maximum capacity of CADMIUM ADSORPTION was found to be 20.41 mg/g.Conclusion: MAGNETITE NANOPARTICLES exhibit high capability for removal of CADMIUM. The nanoparticles synthesized could be used at industrial scale because of having the magnetic property, which make them easily recovered from aqueous solution through applying a magnetic field.

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APA: Copy

KARIMI TAKANLU, L., FARZADKIA, M., MAHVI, A.H., ESRAFILI, A., & GOLSHAN, M.. (2014). OPTIMIZATION OF ADSORPTION PROCESS OF CADMIUM IONS FROM SYNTHETIC WASTEWATER USING SYNTHESIZED IRON MAGNETIC NANOPARTICLES (FE₃O₄). IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 7(2), 171-184. SID. https://sid.ir/paper/145899/en

Vancouver: Copy

KARIMI TAKANLU L., FARZADKIA M., MAHVI A.H., ESRAFILI A., GOLSHAN M.. OPTIMIZATION OF ADSORPTION PROCESS OF CADMIUM IONS FROM SYNTHETIC WASTEWATER USING SYNTHESIZED IRON MAGNETIC NANOPARTICLES (FE₃O₄). IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2014;7(2):171-184. Available from: https://sid.ir/paper/145899/en

IEEE: Copy

L. KARIMI TAKANLU, M. FARZADKIA, A.H. MAHVI, A. ESRAFILI, and M. GOLSHAN, “OPTIMIZATION OF ADSORPTION PROCESS OF CADMIUM IONS FROM SYNTHETIC WASTEWATER USING SYNTHESIZED IRON MAGNETIC NANOPARTICLES (FE₃O₄),” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 7, no. 2, pp. 171–184, 2014, [Online]. Available: https://sid.ir/paper/145899/en

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