Removal of Cefixime Using Heterogeneous Fenton Catalysts: Alginate/Magnetite Hydroxyapatite Nanocomposite

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Nabizad Mona; DADVAND KOOHI AHMAD; Erfanipour Zahra

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Journal Paper

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Journal: Journal of Water and Environmental Nanotechnology Year:2022 | Volume:7 | Issue:1 Page(s): 14-30

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Title

Removal of Cefixime Using Heterogeneous Fenton Catalysts: Alginate/Magnetite Hydroxyapatite Nanocomposite

Author(s)

Nabizad Mona | DADVAND KOOHI AHMAD | Erfanipour Zahra | Issue Writer Certificate

Keywords

Alginate

Heterogeneous Catalysts

Fenton

Degradation

Mechanism

Abstract

In this study, Alginate, magnetite, and hydroxyapatite were used to fabricate Alginate-hydroxyapatite (Alg-Hap), Alginate-Fe3 O4 (Alg-Fe3 O4 ), and Alginate-magnetic hydroxyapatite (Alg-mHap) using ferric chloride (III) crosslinker to remove cefixime from an aqueous solution. FTIR, SEM, VSM, BET, and XRD tests were used to determine the functional groups, morphology, magnetization behavior, surface area, and crystallinity of catalysts, respectively. The optimal pH for the Fenton reaction was determined to be 3. 3 for Alg-Hap and Alg-Fe3 O4 catalysts and 4 for Alg-mHap catalysts. Increases in the concentration of hydrogen peroxide (1 to 3 mM) and the amount of catalyst (50 to 90 gr/L) increased the percentage of Degradation to approximately 8% and 6%, respectively. The Degradation efficiency of cefixime by using Alg-mHap as the best catalyst in the Fenton process was achieved 91%, at optimum condition (pH of 4, catalyst amount of 90 gr/L, initial cefixime concentration of 5 mg/L, H2 O2 concentration of 3 mM within 90 min). Moreover, the second-order kinetic equation fits the experimental data for cefixime Degradation for all three catalysts. Furthermore, not only did the catalysts display a negligible iron leaching (0. 92 mg/L for Alg-mHap) but also after three consecutive cycles, the catalysts indicated long-term stability. Comparison between synthesized catalysts and other methods proved its effectiveness.

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APA: Copy

Nabizad, Mona, DADVAND KOOHI, AHMAD, & Erfanipour, Zahra. (2022). Removal of Cefixime Using Heterogeneous Fenton Catalysts: Alginate/Magnetite Hydroxyapatite Nanocomposite. JOURNAL OF WATER AND ENVIRONMENTAL NANOTECHNOLOGY, 7(1), 14-30. SID. https://sid.ir/paper/1039696/en

Vancouver: Copy

Nabizad Mona, DADVAND KOOHI AHMAD, Erfanipour Zahra. Removal of Cefixime Using Heterogeneous Fenton Catalysts: Alginate/Magnetite Hydroxyapatite Nanocomposite. JOURNAL OF WATER AND ENVIRONMENTAL NANOTECHNOLOGY[Internet]. 2022;7(1):14-30. Available from: https://sid.ir/paper/1039696/en

IEEE: Copy

Mona Nabizad, AHMAD DADVAND KOOHI, and Zahra Erfanipour, “Removal of Cefixime Using Heterogeneous Fenton Catalysts: Alginate/Magnetite Hydroxyapatite Nanocomposite,” JOURNAL OF WATER AND ENVIRONMENTAL NANOTECHNOLOGY, vol. 7, no. 1, pp. 14–30, 2022, [Online]. Available: https://sid.ir/paper/1039696/en

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