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A model for estimating the rate constant between CO_2-CO gas and molten slag containing iron oxides using optical basicity 被引量：1

A model for estimating the rate constant between CO_2-CO gas and molten slag containing iron oxides using optical basicity
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摘要 A simple model for estimating the rate constant between CO2-CO gas and molten slag containing iron oxides was developed using optical basicity only. In this model, the temperature dependence of the rate constant can be described by the Arrhenius law, and the activation energy can be expressed with a linear function of the slag＇s optical basicity. The model was applied to some molten slag systems, such as FeO, FeO-CaO, FeO-SiO2, FeO-Na2O, FeO-CaO-SiO2, FeO-SiO2-P2O5, FeO-SiOE-Na2O, and FeO-CaO-SiOE-P2O5. A comparison between the predicted results and measured data showed that the model worked well. A simple model for estimating the rate constant between CO2-CO gas and molten slag containing iron oxides was developed using optical basicity only. In this model, the temperature dependence of the rate constant can be described by the Arrhenius law, and the activation energy can be expressed with a linear function of the slag＇s optical basicity. The model was applied to some molten slag systems, such as FeO, FeO-CaO, FeO-SiO2, FeO-Na2O, FeO-CaO-SiO2, FeO-SiO2-P2O5, FeO-SiOE-Na2O, and FeO-CaO-SiOE-P2O5. A comparison between the predicted results and measured data showed that the model worked well.
作者 Teng Zhang Xiao-jun Hu Qi-feng Shu Kuo-Chih Chou
机构地区 State Key Laboratory of Advanced Metallurgy School of Metallurgical and Ecological Engineering
出处 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2012年第8期685-688,共4页 矿物冶金与材料学报（英文版）
基金 supported by the National Natural Science Foundation of China (Nos. 50834007, 50874128, and 50674012)
关键词 SMELTING rate constants SLAG iron oxides optical basicity MODELS smelting rate constants slag iron oxides optical basicity models
分类号 TQ113.247 [化学工程—无机化工] TN911.73 [电子电信—通信与信息系统]
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International Journal of Minerals,Metallurgy and Materials
2012年 第8期

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