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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.2
- 수록면
- 40 - 50 (11page)
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초록· 키워드
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This study aims to develop three-dimension reduced graphene oxide aerogel supported nano zero-valent iron (rGOA-nZVI) by hydrothermal and liquid phase reduction approach and applies it to the removal of two typical dyes, methylene blue (MB) and methyl orange (MO) from aqueous solutions. The obtained magnetic rGOA-nZVI composites were characterized by scanning electron microscopy (SEM), atomic force microscopy, Brunauer-Emmett-Teller, X-ray diffraction and Fourier transform infrared spectroscopy, and its removal efficiencies for MB and MO from aqueous solutions were evaluated. The removal processes of MB and MO could be completed within 30 min, which were well described by the pseudo-second order kinetic model. The rGOA-nZVI nanocomposites exhibited remarkable performance for the removal of MB (the maximum adsorption amount, qmax = 3918 mg/g) and MO (qmax = 667 mg/g) in a wide pH range (pH 1.0-10.0). Furthermore, rGOA-nZVI is stable and recyclable with high dye removal efficiencies (> 90%) after five cycles. The removal mechanisms were demonstrated with SEM and XRD analyses before and after MB and MO removal. This study showed that rGOA acts as an excellent carrier for nZVI, and the rGOA-nZVI nanocomposites are efficient materials for the advanced treatment of dye wastewater over a wide pH range.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (55)
참고문헌 신청
Alotaibi KM, Shiels L, Lacaze L, et al. Iron supported on bioinspired green silica for water remediation. Chem. Sci. 2017;8(1):567-576. https://doi.org/10.1016/j.jiec.2013.05.024
Fan MY, Hu J, Cao R, Ruan W, Wei X. A review on experimental design for pollutants removal in water treatment with the aid of artificial intelligence. Chemosphere 2018;200:330-343. https://doi.org/10.1016/j.chemosphere.2018.02.111
Huang LJ, He M, Chen BB, Hu B. Magnetic Zr-MOFs nanocomposites for rapid removal of heavy metal ions and dyes from water. Chemosphere 2018;7(1):435-444. https://doi.org/10.1016/j.chemosphere.2018.02.019
Cui KX, Yan B, Xie YJ, et al. Regenerable urchin-like Fe3O4@ PDA-Ag hollow microspheres as catalyst and adsorbent for enhanced removal of organic dyes. J. Hazard. Mater. 2018; 350:66-75. https://doi.org/10.1016/j.jhazmat.2018.02.011
Geng ZG, Lin Y, Yu XX, et al. Highly effiient dye adsorption and removal: a functional hybrid of reduced grapphene oixed-Fe3O4 nanoparticles as easily regenerative adsorbent. J. Mater. Chem. 2012;22:3527-3535. https://doi.org/10.1039/C2JM15544C
Fan MY, Hu J, Cao R, Ruan W, Wei X. A review on experimental design for pollutants removal in water treatment with the aid of artificial intelligence. Chemosphere 2018;200:330-343. https://doi.org/10.1016/j.chemosphere.2018.02.111
Huang LJ, He M, Chen BB, Hu B. Magnetic Zr-MOFs nanocomposites for rapid removal of heavy metal ions and dyes from water. Chemosphere 2018;7(1):435-444. https://doi.org/10.1016/j.chemosphere.2018.02.019
Cui KX, Yan B, Xie YJ, et al. Regenerable urchin-like Fe3O4@ PDA-Ag hollow microspheres as catalyst and adsorbent for enhanced removal of organic dyes. J. Hazard. Mater. 2018; 350:66-75. https://doi.org/10.1016/j.jhazmat.2018.02.011
Geng ZG, Lin Y, Yu XX, et al. Highly effiient dye adsorption and removal: a functional hybrid of reduced grapphene oixed-Fe3O4 nanoparticles as easily regenerative adsorbent. J. Mater. Chem. 2012;22:3527-3535. https://doi.org/10.1039/C2JM15544C
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