Removal of Ammonia in Aquaculture Wastewater by Electrolysis with Switching Poles 


Vol. 21,  No. 1, pp. 45-52, Mar.  2015


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  Abstract

We have introduced switching poles in the conventional electrolysis for the removal of ammonia in aquaculture wastewater to prevent the fouling on the electrode surface by the deposition of insoluble metallic compounds. We have also tried to locate the optimal period of switching poles considering the effect of the current loss during switching poles on the free chlorine generation. First, we have observed the decrease of free chlorine generation with the decrease of the period of switching poles due to the expected current loss, and this would lead to the decrease of ammonia removal efficiency. Meanwhile, the measurement of calcium and magnesium concentration in wastewater vs. the period of switching poles have demonstrated that a properly low level of fouling on the electrode surface could be retained with a period of switching poles of less than 60 sec by the decomposition of metallic compounds during switching poles. In a summary, we have optimized the period of switching poles to gain a high level of free chlorine generation and a high level of fouling prevention on the electrode at the same time.

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  Cite this article

[IEEE Style]

K. KM, K. AR, W. YS, L. JK, L. JH, "Removal of Ammonia in Aquaculture Wastewater by Electrolysis with Switching Poles," Clean Technology, vol. 21, no. 1, pp. 45-52, 2015. DOI: .

[ACM Style]

Kang KM, Kim AR, Won YS, Lee JK, and Lim JH. 2015. Removal of Ammonia in Aquaculture Wastewater by Electrolysis with Switching Poles. Clean Technology, 21, 1, (2015), 45-52. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

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