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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.10
- 수록면
- 677 - 684 (8page)
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초록· 키워드
오류제보하기
The present study develops the sorption model for simulating the effects of pH and temperature on the uptake of cadmium from contaminated water using waste foundry sand (WFS) by allowing the variation of the maximum adsorption capacity and affinity constant. The presence of two acidic functional groups with the same or different affinity is the basis in the derivation of the two models; Model 1 and Model 2 respectively. The developed Bi-Langmuir model with different affinity (Model 2) has a remarkable ability in the description of process under consideration with coefficient of determination ＞ 0.9838 and sum of squared error < 0.08514. This result is proved by FTIR test where the weak acids responsible of cadmium ions removal using WFS sorbent can be represented by surface silanol (O-H) functional groups.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (41)
참고문헌 신청
Fergusson JE. The heavy elements: Chemistry, environmental impact and health effects. 1st eds. Oxford: Pergamon Press; 1990.
Peng JF, Song YH, Yuan P, Cui XY, Qiu GL. The remediation of heavy metals contaminated sediment. J. Hazard. Mater. 2000;161:633-640.
Nriagu JO. A global assessment of natural sources of atmospheric trace metals. Nature 1989;338:47-49.
He ZL, Yang XE, Stoffella PJ. Trace elements in agroecosystems and impacts on the environment. J. Trace Elem. Med. Biol. 2005;19:125-140.
Gibert O, Cortina JL, de Pablo J, Ayora C. Performance of a field-scale permeable reactive barrier based on organic substrate and zero-valent iron for in situ remediation of acid mine drainage. Environ. Sci. Pollut. Res. 2013;20:7854-7862.
Peng JF, Song YH, Yuan P, Cui XY, Qiu GL. The remediation of heavy metals contaminated sediment. J. Hazard. Mater. 2000;161:633-640.
Nriagu JO. A global assessment of natural sources of atmospheric trace metals. Nature 1989;338:47-49.
He ZL, Yang XE, Stoffella PJ. Trace elements in agroecosystems and impacts on the environment. J. Trace Elem. Med. Biol. 2005;19:125-140.
Gibert O, Cortina JL, de Pablo J, Ayora C. Performance of a field-scale permeable reactive barrier based on organic substrate and zero-valent iron for in situ remediation of acid mine drainage. Environ. Sci. Pollut. Res. 2013;20:7854-7862.
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UCI(KEPA) : I410-ECN-0101-2020-539-000465314