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Information Journal Paper

Title

Removing Methyl Orange Molecules from Aqueous Medium by Magnetic Nanoparticles: Evaluating adsorption factors, isotherms, kinetics and thermodynamics

Pages

  1-16

Keywords

Methyl Orange (MO) 

Abstract

 In this paper, Fe3 O4 and MgFe2 O4 as magnetic samples were successfully synthesized by coprecipitation and combustion methods, respectively, to be used for Adsorption of toxic Methyl Orange (MO)lecules from the aqueous solution. Characteristics of the synthesized samples were evaluated using various analyses. The results of crystalline and surface bonding assessment confirmed the successful synthesis of both samples with an appropriate structure. Moreover, Fe3 O4 presented higher magnetic properties and surface area as well as lower pore diameter than MgFe2 O4 sample. However, the maximum Adsorption of methyl orange was obtained for MgFe2 O4 (56. 54 mg/g) which was around three times of Fe3 O4 in the same conditions. This may be related to the larger pore diameter of MgFe2 O4 and the ease of access to the internal surface of the adsorbent by the adsorbate molecules. Among the evaluated isotherms, the predicted Freundlich model showed a good correlation with the actual results of the Adsorption process and the process could kinetically be explained by the pseudo-second-order equation. Thermodynamic investigation of the process showed the Adsorption of methyl orange was exothermic and spontaneous. The results revealed that MgFe2 O4 sample (qmax = 181. 34 mg/g) can be suggested as a good adsorbent for the removal of toxic dyes and water pollutants.

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    Cite

    APA: Copy

    Rahmanivahid, Behgam, NADERI, FERESHTEH, & Nayebzadeh, Hamed. (2020). Removing Methyl Orange Molecules from Aqueous Medium by Magnetic Nanoparticles: Evaluating adsorption factors, isotherms, kinetics and thermodynamics. JOURNAL OF WATER AND ENVIRONMENTAL NANOTECHNOLOGY, 5(1), 1-16. SID. https://sid.ir/paper/767277/en

    Vancouver: Copy

    Rahmanivahid Behgam, NADERI FERESHTEH, Nayebzadeh Hamed. Removing Methyl Orange Molecules from Aqueous Medium by Magnetic Nanoparticles: Evaluating adsorption factors, isotherms, kinetics and thermodynamics. JOURNAL OF WATER AND ENVIRONMENTAL NANOTECHNOLOGY[Internet]. 2020;5(1):1-16. Available from: https://sid.ir/paper/767277/en

    IEEE: Copy

    Behgam Rahmanivahid, FERESHTEH NADERI, and Hamed Nayebzadeh, “Removing Methyl Orange Molecules from Aqueous Medium by Magnetic Nanoparticles: Evaluating adsorption factors, isotherms, kinetics and thermodynamics,” JOURNAL OF WATER AND ENVIRONMENTAL NANOTECHNOLOGY, vol. 5, no. 1, pp. 1–16, 2020, [Online]. Available: https://sid.ir/paper/767277/en

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