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논문 기본 정보

자료유형
학술저널
저자정보
Ik-Won Choi (National Institute of Environmental Research) Jae-Hoon Kim (National Institute of Environmental Research) Soo-Hyung Lee (National Institute of Environmental Research) Jae-Kwan Lee (National Institute of Environmental Research) Dong-Cheol Seo (Gyeongsang National University) Ju-Sik Cho (Sunchon National University)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제49권 제5호
발행연도
2016.10
수록면
489 - 494 (6page)

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초록· 키워드

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Carbon-based sorbents such as biochar and activated carbon have been proven to be cost-effective in removing pollutants containing heavy metals from wastewater. The aim of this study was using batch experiment to evaluate the adsorption characteristics of heavy metals in single-metal conditions onto reed biochar for treating wastewater containing heavy metals. The removal rates of heavy metals were in the order of Pb > Cu ≒ Cd ≒ Zn, showing the adsorption efficiency of Pb was higher than the other heavy metals. Freundlich and Langmuir adsorption isotherms were used to model the equilibrium adsorption data obtained from adsorption of Pb on reed biochar. For reed biochar, the Langmuir model provided a slightly better fit than the Freundlich model. Lead was observed on the biochar surface after adsorption by scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS). The main functional groups of reed biochar were aromatic carbons. Overall, the results suggested that reed biochar could be useful adsorbent for treating wastewater containing Pb.

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Introduction
Materials and Methods
Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-523-001637988