実験力学
Print ISSN : 1346-4930
ISSN-L : 1346-4930
研究論文
Carbon Reduction Rate of Phosphorus in Oxide Melt
Hideki ONOKenichi KOBATATateo USUI
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2012 年 12 巻 Special_Issue 号 p. s209-s212

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The reduction rate of P2O5 in a 50mass%CaO-50mass%Al2O3 melt and a dephosphorization slag by carbon was investigated. The apparent rate constant of the reduction reaction of P2O5 in the 50mass%CaO-50mass%Al2O3 melt by carbon is determined. The activation energy for the reduction reaction of phosphorus in dephosphorization slag is calculated to be E=473 kJ/mol, and the chemical reaction is considered to be the rate-limiting step. Because the FeO content of the dephosphorization slag is much lower than that of the converter slag, the phosphorus is removed by the gasification, and it is expected that the separation and recovery of the phosphorus is possible.
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© 2012 The Japanese Society for Experimental Mechanics
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