Theory and Technology of the Phosphorus Extraction from Ferrophosphorus

Galimzhan Serzhanov, Viktor Mikhaylovich Shevko, М.М. Yeskendirova

2015

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DOI 10.5539/mas.v9n6p160
Data confidence 85 high
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Abstract

This article contains the research results of thermodynamic modelling of the chemical interaction of iron phosphides (Fe3P, Fe2P, FeP and FeP2) with ferrosilicon FeSi2. The results were received by a method of the full thermodynamic analysis using the program HSC-5.1 of the Finnish metallurgical company Outokumpu, which was developed on a principle of the Gibbs energy minimization. The article considers the experimental results concerning to kinetics of the phosphorus extraction from electrothermal ferrophosphorus using ferrosilicon of a grade FS65. In addition, optimum technological parameters of the phosphorus extraction from the industrial ferrophosphorus, containing 26,4 % of phosphorus, and manufacture of a ferroalloy were determined.