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Erschienen in: Biomass Conversion and Biorefinery 1/2024

04.01.2022 | Original Article

Magnetized chitosan nanocomposite as an effective adsorbent for the removal of methylene blue and malachite green dyes

verfasst von: Fouzia Mashkoor, Abu Nasar, Changyoon Jeong

Erschienen in: Biomass Conversion and Biorefinery | Ausgabe 1/2024

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Abstract

Herein, a magnetically separable Fe3O4 decorated chitosan was facilely synthesized, systematically characterized, and subsequently employed as a versatile adsorbing material for the adsorption of malachite green and methylene blue dyes. The prepared adsorbent was characteristically examined through Fourier transform infra-red microscopy, scanning electron microscopy with energy-dispersive X-ray analysis, transmission electron microscopy, X-ray diffraction, Brunauere-Emmette-Teller surface area analysis, thermogravimetric analysis, and vibrating-sample magnetometry techniques. The optimum process parameters for MB were observed to be 180 min of contact time, pH 7, and 1.2 g/L of adsorbent dose, and 210 min of contact time, pH 7, and adsorbent dose of 2 g/L was found to be for MG. The time-dependent experimental data were analyzed with different kinetic models, and pseudo-IInd-order was provided the best fit for the adsorption of both the dyes with a high value of the regression coefficient. The adsorption equilibrium data of both the dyes was best explained by Langmuir isotherm, and the maximum sorption capacity of MG and MB was found to be 55.86 and 76.34 mg/g, respectively. Thermodynamic analysis declared that the adsorption of MG and MB onto the Fe3O4 decorated chitosan was endothermic and spontaneous. Moreover, the adsorbent presented good reusability up to three successive ad-/de-sorption cycles, indicating that Fe3O4 decorated chitosan is a promising applicant for treating dye-containing wastewater.

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Literatur
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Zurück zum Zitat Nasar A, Mashkoor F (2019) Application of polyaniline-based adsorbents for dye removal from water and wastewater—a review. Environ Sci Pollut Res 26:5333–5356CrossRef Nasar A, Mashkoor F (2019) Application of polyaniline-based adsorbents for dye removal from water and wastewater—a review. Environ Sci Pollut Res 26:5333–5356CrossRef
37.
Zurück zum Zitat Prasad AR, Joseph A (2017) Synthesis, characterization and investigation of methyl orange dye removal from aqueous solutions using waterborne poly vinyl pyrrolidone (PVP) stabilized poly aniline (PANI) core–shell nanoparticles. RSC Adv 7:20960–20968. https://doi.org/10.1039/C7RA01790ACrossRef Prasad AR, Joseph A (2017) Synthesis, characterization and investigation of methyl orange dye removal from aqueous solutions using waterborne poly vinyl pyrrolidone (PVP) stabilized poly aniline (PANI) core–shell nanoparticles. RSC Adv 7:20960–20968. https://​doi.​org/​10.​1039/​C7RA01790ACrossRef
Metadaten
Titel
Magnetized chitosan nanocomposite as an effective adsorbent for the removal of methylene blue and malachite green dyes
verfasst von
Fouzia Mashkoor
Abu Nasar
Changyoon Jeong
Publikationsdatum
04.01.2022
Verlag
Springer Berlin Heidelberg
Erschienen in
Biomass Conversion and Biorefinery / Ausgabe 1/2024
Print ISSN: 2190-6815
Elektronische ISSN: 2190-6823
DOI
https://doi.org/10.1007/s13399-021-02282-3

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