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http://dx.doi.org/10.12925/jkocs.2019.36.2.417

A Study on Wastewater Treatment by Electrochemical Treatment with Various Electrode Interval  

Song, Ju Yeong (Division of Civil, Environmental and Chemical Engineering, Changwon Nat. Univ.)
Publication Information
Journal of the Korean Applied Science and Technology / v.36, no.2, 2019 , pp. 417-423 More about this Journal
Abstract
A new wastewater treatment system was developed to remove nitrate nitrogen and phosphorus in synthetic wastewater through electrochemical treatment. Higher removal efficiencies of nitrate nitrogen were obtained as the current density increased. Higher nitrate removal efficiencies were obtained when the switching interval was 1 min. The total phosphorus removal rate according to the current density was found to be over 90% without being greatly affected by the change in current density and interval, and the total removal rate increased with increasing switching time (1 min interval). On the other hand, COD was not treated by electrochemical treatment, but rather increased as the electrode eluted. Also, the consumption rate of the electrode was smaller as the switching interval was shorter. Finally, removal efficiencies of 98.1% of nitrate and 90% of phosphorus were obtained through electrochemical treatment (current density $50mA/cm^2$, switching interval 1 min, flow rate 540 mL/min).
Keywords
nitrate nitrogen; phosphorus; electrochemical treatment; switching interval; current density;
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Times Cited By KSCI : 3  (Citation Analysis)
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1 W. L. Jhang, Z. X. Tian, N. Jhang. X. O. Li, "Nitrate Pollulition of Groundwater in Northern China", Agr. Ecosyst. Evviron, vol. 59, pp 223-231, (1996).   DOI
2 S. Jung, M. Lee, Y. Lyu, J. Park, "Speed Dependent Emission of Air Pollutants from Gasoline Powdered Cars, Environ. Technol, vol. 32, pp 1173-1181, (2011).   DOI
3 J. Y. Im and K. I. Gil, "Applicability Evaluation of Nitritation with Various Wastewater", Journal of Wetlands Research, vol. 17, No. 1, pp 11-18, (2015).   DOI
4 J. S. Lee and D. S. Kim, "Synthesis of Hydroxyapatite as the Artificial Bone Materials from Phosphate Wastewater Simulating Human Body Fluid", J. of Koreans Inst. of Resources Recycling, vol. 13, No. 3, pp 3-11, (2004).
5 M. K. Kang, G. W. Shin, H. S. Park, T. S. Kim, and S. I. Lee, "The Performance of the Lanthanum-Zeolite Composite for the Eutrophication Prevent", J. Kor. Soc. Environ. Eng., vol. 36, No. 3, pp 206-213, (2014).   DOI
6 M. V. Lohar, M. V. Arora, R. Arora, "Nitrates and Associated Health Hazards", J. of Bacteriol. vol 196, pp 1394-1402, (2010).   DOI
7 V. M. Drozd, I. Branovan, N. ShiglikM. L. Lushchyk, T. Y. Platonava, "Effect of Nitrates in Drinking Water on the Prevalance of Thyroid Cancer and other Thyroid Diseases: a literature review and post Chernobyl reaearch experience in Belarus", Cytol. Genet., vol. 50, pp 372-376, (2016).   DOI
8 T. K. Kim, J. H. Kim, and J. Y. Song, "A Study on the Nitrate Removal in Water by Chelating bond of Sodium Alginate", Journal of Korean Oil Chemists' Society, vol. 34, No. 4, pp 795-801, (2016).
9 S. M. Lee and W. H. Yoon, "Characteristics of Nitrate Nitrogen and Phosphate Removals by Alumina Cement", Journal of Korean Society of Urban Environment, vol. 12, No. 1, pp 35-42, (2012).
10 G. T. Jeong, S. H. Park, J. H. Park, E. T. Lim, S. H. Bang, and D. H. Park, "Effect of Factors of Nitrification Process in Wastewater Treatment", Korean J. Biotechnol. Bioeng., vol. 24, pp 296-302, (2009).
11 J. H. Lee, H. K. Choi, I. S. Han, "Removal of Phsphorus in Lake Water by Using EC in Hybrid System", Journal of Keorean Society of Urban Environment, vol. 9, No. 2, pp 107-114, (2009).
12 M. Mohsenipour, S. Shahid, and K. Ebrahimi, "Removal Techniques of Nitrate from Water", vol. 26, No. 23, pp 7881-7886, (2014).   DOI
13 B. S. Nam, Y. H. Lee, and M. H. Cho, "Simultaneous Removal of Nitrogen and Phosphorus by Rotating Biological Activated Carbon Process", Korean J. Biotechnol. Bioeng., vol. 14, No. 5, pp 606-610, (1999).
14 S J. Lee, J. H. Kim, and J. Y. Song, "A Study on the Removal of Nitrate Nitrogen by Redox Reaction of Zinc in Acidic Atmosphere". Journal of Korean Oil Chemists' Society, vol. 33, No. 3, pp 441-448, (2016).   DOI
15 T. Kim, J. Y. Song, "A Study on the Reduction of COD, Total Phosphorus and Nitrogen in Wastewater by Electrolysis and HClO Treatments", Journal of Korean Oil Chemists' Society, vol. 34, No. 3, pp 436-442, (2017).
16 H. Y. Jang, S. K. Hwang, T. H. Kim, J. H. Kim, "Development of physiochemical nitrogen removal process for high strength industrial waste waters". Research Report of Novel Environmental Technology, pp 50-250, (2005).