CADMIUM REMOVAL FROM AQUEOUS SOLUTIONS USING MODIFIED MAGNETITE NANOPARTICLES

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BAHRAMI MEHDI; BRUMAND NASAB SAEED; KASHKOULI HEYDAR ALI; FARROKHIAN FIROUZI AHMAD; BABAEI ALI AKBAR

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Journal: Iranian Journal of Health and Environment Year:2013 | Volume:6 | Issue:2 Page(s): 221-232

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Title

CADMIUM REMOVAL FROM AQUEOUS SOLUTIONS USING MODIFIED MAGNETITE NANOPARTICLES

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Keywords

NANOPARTICLESQ2

MAGNETITEQ2

KINETICQ2

ISOTHERMQ2

CADMIUMQ2

Abstract

Background and Objectives: Among the heavy metals CADMIUM is of considerable environmental and health significance because of its increasing mobilization and human toxicity. The objectives of this research were to synthesize SDS modified MAGNETITE NANOPARTICLES (Fe3O4) and to determine its efficiency in CADMIUM removal from aqueous solutions.Materials and Methods: Modified MAGNETITE NANOPARTICLES were synthesized and the effects of pH and contact time on CADMIUM removal efficiency were investigated in batch system. Then KINETICs and ISOTHERM models coefficients were determined in the optimum pH and equilibrium time conditions. Scanning Electron Microscopy (SEM), X-ray diffraction (XRD) and Fourier transform infra red (FTIR) were used to characterize the modified MAGNETITE NANOPARTICLES synthesized.Results: The SEM results showed that the diameter of the particles is 40-60 nm. It was found that the optimum pH value for maximum adsorption of 10 mg/L CADMIUM by 0.1 g adsorbent in 12 hr was 6.Kinetic study showed that the equilibrium time was 30 min. The adsorption KINETICs fitted well using the Ho pseudo second-order KINETIC model; however, the adsorption ISOTHERM could be described by the Freundlich model. The maximum adsorption capacity of modified MAGNETITE NANOPARTICLES for Cd2+was found to be 9.604 mg/g.Conclusion: The results of this study indicated that the modified MAGNETITE NANOPARTICLES can be employed as an efficient adsorbent for the removal of CADMIUM from contaminated water sources.

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APA: Copy

BAHRAMI, MEHDI, BRUMAND NASAB, SAEED, KASHKOULI, HEYDAR ALI, FARROKHIAN FIROUZI, AHMAD, & BABAEI, ALI AKBAR. (2013). CADMIUM REMOVAL FROM AQUEOUS SOLUTIONS USING MODIFIED MAGNETITE NANOPARTICLES. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 6(2), 221-232. SID. https://sid.ir/paper/145723/en

Vancouver: Copy

BAHRAMI MEHDI, BRUMAND NASAB SAEED, KASHKOULI HEYDAR ALI, FARROKHIAN FIROUZI AHMAD, BABAEI ALI AKBAR. CADMIUM REMOVAL FROM AQUEOUS SOLUTIONS USING MODIFIED MAGNETITE NANOPARTICLES. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2013;6(2):221-232. Available from: https://sid.ir/paper/145723/en

IEEE: Copy

MEHDI BAHRAMI, SAEED BRUMAND NASAB, HEYDAR ALI KASHKOULI, AHMAD FARROKHIAN FIROUZI, and ALI AKBAR BABAEI, “CADMIUM REMOVAL FROM AQUEOUS SOLUTIONS USING MODIFIED MAGNETITE NANOPARTICLES,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 6, no. 2, pp. 221–232, 2013, [Online]. Available: https://sid.ir/paper/145723/en

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