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Paper
Title

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

Year: 1401
COI: JR_JWENT-7-1_002
Language: EnglishView: 50
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Authors

Mona Nabizad - Chemical Engineering Department, Engineering Faculty, University of Guilan, Rasht, Iran
Ahmad Dadvand Koohi - Chemical Engineering Department, University of Guilan. Rasht, Iran
Zahra Erfanipour - Chemical Engineering Department, Engineering Faculty, University of Guilan, Rasht, Iran

Abstract:

In this study, alginate, magnetite, and hydroxyapatite were used to fabricate alginate-hydroxyapatite (Alg-Hap), alginate-Fe۳O۴ (Alg-Fe۳O۴), 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 ۳.۳ for Alg-Hap and Alg-Fe۳O۴ catalysts and ۴ for Alg-mHap catalysts. Increases in the concentration of hydrogen peroxide (۱ to ۳ mM) and the amount of catalyst (۵۰ to ۹۰ gr/L) increased the percentage of degradation to approximately ۸% and ۶%, respectively. The degradation efficiency of cefixime by using Alg-mHap as the best catalyst in the Fenton process was achieved ۹۱%, at optimum condition (pH of ۴, catalyst amount of ۹۰ gr/L, initial cefixime concentration of ۵ mg/L, H۲O۲ concentration of ۳ mM within ۹۰ 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 (۰.۹۲ 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.

Keywords:

Paper COI Code

This Paper COI Code is JR_JWENT-7-1_002. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1429463/

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Nabizad, Mona and Dadvand Koohi, Ahmad and Erfanipour, Zahra,1401,Removal of Cefixime Using Heterogeneous Fenton Catalysts: Alginate/Magnetite Hydroxyapatite Nanocomposite,https://civilica.com/doc/1429463

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