A Study on Phosphate Removal Characteristic of EAF Slag for Submarine Cover Material 


Vol. 16,  No. 4, pp. 258-264, Dec.  2010


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  Abstract

This study estimated the possibility of phosphate removal characteristics to utilize EAF(electric arc fumace) slag as submarine cover material. The major phosphate removal mechanism was a certain formation of HAP precipitation occurred by the ionization reaction between Ca2+ and OR, which were leached from the EAF Slag. Another phosphate removal mechanism was the adsortion of EAF slag surface. As a result of PO4^(-)-P removal characteristics using continuous column reactor, PO4^(-)-P concentration decreased rapidly after 3 days and 10 days later, it show under 0.5 ppm. The result as applied in real sea water, shows that the phosphate removal effects were 93 ~98% by the subaqueous sediment removal using the EAF slag. In conclusion, EAF slag is useful in PO4^(-)-P removal and control and it is possible to use without additional process like crush and selection.

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  Cite this article

[IEEE Style]

K. JW, S. JB, K. MG, K. ID, O. KJ, "A Study on Phosphate Removal Characteristic of EAF Slag for Submarine Cover Material," Clean Technology, vol. 16, no. 4, pp. 258-264, 2010. DOI: .

[ACM Style]

Kim JW, Seo JB, Kang MG, Kim ID, and Oh KJ. 2010. A Study on Phosphate Removal Characteristic of EAF Slag for Submarine Cover Material. Clean Technology, 16, 4, (2010), 258-264. DOI: .

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