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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.4
- 수록면
- 64 - 70 (7page)
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Electrodialysis has been used for treating toxic substances such as heavy metals and minimizing secondary environmental pollution problems effectively. However, electrodialysis depends on the operating parameters as well as fluid dynamics and electrical properties. This study provides design elements for the treatment of heavy metal-containing wastewater by electrodialysis. We found that the limiting current density (LCD) is proportional but not completely linear to the diluate concentration over a threshold value. In contrast, it is linear to the linear flow velocity for the whole range. As the number of cell pairs increases, because linear flow velocity and LCD increase, the removal efficiency of heavy metals also increases. Therefore, for highly concentrated wastewater, increasing the linear flow velocity, the applied voltage, and the number of cell pairs can effectively improve removal efficiency. It was found that the current efficiency is as low as 17% when the removal efficiency of heavy metals exceeds 95%. Thus, it is necessary to select an operating range that optimizes the operating and initial investment costs for the effective removal of heavy metals using electrodialysis.
목차
ABSTRACT
1. Introduction
2. Material and Methods
3. Results and Discussion
4. Conclusions and Summary
References
참고문헌 (32)
참고문헌 신청
Fu F, Wang Q. Removal of heavy metal ions from wastewaters: a review. J. Environ. Manage. 2011;92:407-418.
Bernardes AM, Rodrigues MAS, Ferreira JZ. Electrodialysis and water reuse. 1st ed. Berlin: Springer-Verlag; 2016.
Min KJ, Choi SY, Jang D, Lee J, Park KY. Separation of metals from electroplating wastewater using electrodialysis. Energ. Sour. A 2019;41:1-10.
Zhang L, Xie L, Lin H, Gao C. Progress and prospects of seawater desalination in China. Desalination 2005;182:13-18.
Al KA, Renne D, Kazmerski L. Technical and economic assessment of photovoltaic-driven desalination systems. Renew. Energ. 2010;35:323-328.
Bernardes AM, Rodrigues MAS, Ferreira JZ. Electrodialysis and water reuse. 1st ed. Berlin: Springer-Verlag; 2016.
Min KJ, Choi SY, Jang D, Lee J, Park KY. Separation of metals from electroplating wastewater using electrodialysis. Energ. Sour. A 2019;41:1-10.
Zhang L, Xie L, Lin H, Gao C. Progress and prospects of seawater desalination in China. Desalination 2005;182:13-18.
Al KA, Renne D, Kazmerski L. Technical and economic assessment of photovoltaic-driven desalination systems. Renew. Energ. 2010;35:323-328.
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