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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.12
- 수록면
- 37 - 55 (19page)
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초록· 키워드
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The modification of biochar (BC) with metal/metal oxides is expected to improve its adsorption capacity to pollutants, especially anions dyes. A green chromium ferrite-biochar composites (CF-BC) was synthesized to enhance the adsorption efficiency of Congo red (CR) via a simple co-precipitation method. The samples were characterized by different characterization techniques: XRD, FT-IR, SEM, XPS, etc, which showed that chromium ferrite was successfully loaded on the surface of biochar. The influencing factors of adsorption and recycling properties were discussed, and the adsorption mechanisms such as kinetics, isotherm, thermodynamics were explored. The results show that CF-BC2 achieves a removal rate of 92.29% for CR and maintains a removal rate of 90% even after three cycles. The addition of ferrite not only promoted the adsorption effect, but also increased the magnetic property, making the adsorbents easy to recycle. The equilibrium and kinetic studies suggested that the adsorption process followed Freundlich isotherm and pseudo-second order model, respectively. Furthermore, a study into the adsorption mechanism revealed that CF-BC2 primarily achieves CR adsorption through electrostatic attraction, hydrogen bonding, π-π interactions, and pore filling.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (70)
참고문헌 신청
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Yan X, Cheng S, Ma C, Li J, Wang G, Yang C. D-spacing controllable GO membrane intercalated by sodium tetraborate pentahydrate for dye contamination wastewater treatment. J. Hazard. Mater. 2022;422:126939. https://doi.org/10.1016/j.jhazmat.2021.126939.
Zhao J, Liu H, Xue P et al. Construction of a multi-layer protection of CS polymer brush grafted DA@CNTs coating on PVDF membrane for effective removal of dye effluent. J. Hazard. Mater. 2023;460:132435. https://doi.org/10.1016/j.jhazmat.2023.132435.
Solayman HM, Hossen MA, Aziz AA et al. Performance evaluation of dye wastewater treatment technologies: A review. J. Environ. Chem. Eng. 2023;11:109610. https://doi.org/10.1016/j.jece.2023.109610.
Wang H, Li Z, Yahyaoui S et al. Effective adsorption of dyes on an activated carbon prepared from carboxymethyl cellulose: Experiments, characterization and advanced modelling. Chem. Eng. J. 2021;417:128116. https://doi.org/10.1016/j.cej.2020.128116.
Yan X, Cheng S, Ma C, Li J, Wang G, Yang C. D-spacing controllable GO membrane intercalated by sodium tetraborate pentahydrate for dye contamination wastewater treatment. J. Hazard. Mater. 2022;422:126939. https://doi.org/10.1016/j.jhazmat.2021.126939.
Zhao J, Liu H, Xue P et al. Construction of a multi-layer protection of CS polymer brush grafted DA@CNTs coating on PVDF membrane for effective removal of dye effluent. J. Hazard. Mater. 2023;460:132435. https://doi.org/10.1016/j.jhazmat.2023.132435.
Solayman HM, Hossen MA, Aziz AA et al. Performance evaluation of dye wastewater treatment technologies: A review. J. Environ. Chem. Eng. 2023;11:109610. https://doi.org/10.1016/j.jece.2023.109610.
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