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- W2502135275 abstract "The reduction rate of Mo oxide in slag by iron-carbon melt under different stirring conditions, reaction temperatures and slag composition has been investigated. Results indicate that the reduction of Mo oxide is a fast reaction; both stirring and temperature have evident influence upon the reaction; while the initial concentration of Mo oxide and content of fluoride in slag have also some influence upon the reaction. The reduction of Mo oxide is an apparent first order reaction. At 1440–1500°C, the reduction rate of Mo oxide is mainly controlled by Mo transfer in slag, with its diffusion activation energy of 223 kJ/mol. At 1500–1590°C, the transfer of Mo in metal turns to be the main limiting step, with its diffusion activation energy of 81.5 kJ/mol. Die Auswirkungen verschiedener Spülbedingungen, der Reaktionstemperatur und Schlackenzusammensetzung auf die Geschwindigkeit der Reduktion von Molybdänoxid in der Schlacke wird untersucht. Die Ergebnisse weisen darauf hin, daß es sich um eine schnelle Reaktion handelt; von entscheidendem Einfluß sind die Faktoren Rühren und Temperatur. Die Ausgangskonzentration von Mo-Oxid sowie der Fluoridgehalt der Schlacke haben einen gewissen Einfluß auf die Reaktion. Die Reduktion von Molybdänoxid ist offensichtlich erster Ordnung. Im Temperaturbereich von 1440–1500°C wird die Reduktionsgeschwindigkeit hauptsächlich durch den Mo-Übergang in die Schlacke bestimmt; die Aktivierungsenergie für die Diffusion beträgt hier 223 kJ/mol. Im Temperaturbereich von 1500–1590°C ist der Übergang von Mo in der Metallschmelze geschwindigkeitsbestimmend; die Aktivierungsenergie für die Diffusion beträgt hier 81, 5 kJ/mol." @default.
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- W2502135275 date "1993-10-01" @default.
- W2502135275 modified "2023-10-16" @default.
- W2502135275 title "Reduction kinetics of molybdenum oxide in slag" @default.
- W2502135275 doi "https://doi.org/10.1002/srin.199301560" @default.
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