Nitrate Removal and Recycling Technique 


Vol. 3,  No. 2, pp. 31-33, Dec.  1997


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  Abstract

Nitrate contamination in surface water and ground water have increased in Korea. This trend has raised concern because nitrates caused methemoglobinemia in infants. To remove nitrates from waters, various purification processes including ion-exchange, biological denitrification, and chemical denitrification are currently in use for the treatment of water. However, little economically advantageous process exists for the industrial scale treatment of effluents highly polluted with nitrates. A new process has been developed for nitrate and other salts removal from polluted waters. Alumina cement and lime served as precipitating agents to remove nitrate with stirring at basic pH. Decreasing alumina content in alumina cement result in a increasing in nitrate removal yield. Stable removal of nitrate(1000mg/L) was readily achieved by two-stage removal process.

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  Cite this article

[IEEE Style]

S. SJ, L. KH, C. YS, "Nitrate Removal and Recycling Technique," Clean Technology, vol. 3, no. 2, pp. 31-33, 1997. DOI: .

[ACM Style]

Sim SJ, Lee KH, and Cho YS. 1997. Nitrate Removal and Recycling Technique. Clean Technology, 3, 2, (1997), 31-33. DOI: .