Decomposition process and kinetics of waste rare earth polishing powder TG–DTA–FTIR studies

XiuYan Wang; JieMin Liu; QiShan Yang; Jian Du; FengE Wang; Wu Tao

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Decomposition process and kinetics of waste rare earth polishing powder TG–DTA–FTIR studies

机译：废稀土抛光粉的分解过程和动力学TG–DTA–FTIR研究

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The decomposition reaction process of waste rare earth (RE) polishing powder was monitored in real time by the thermogravimetry–differential thermal analysis (TG–DTA) and Fourier transform infrared spectroscopy (FTIR). The results showed that the reaction was divided into two stages, and the thermal weight losses got to stable when the temperature was more than 400 °C. The releasing gas mainly contained H₂O and SiF₄, and the reaction kinetics during decomposition process was studied by the methods of Freeman-Carroll and Kissinger.

机译：通过热重-差热分析（TG-DTA）和傅里叶变换红外光谱（FTIR）实时监测废稀土（RE）抛光粉的分解反应过程。结果表明，反应分为两个阶段，温度超过400℃时热失重趋于稳定。释放气体主要含有H _{2 O和SiF _{4 ，并通过Freeman-Carroll和Kissinger方法研究了分解过程中的反应动力学。}}

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《Journal of Thermal Analysis and Calorimetry》 |2012年第1期|p.419-424|共6页
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XiuYan Wang; JieMin Liu; QiShan Yang; Jian Du; FengE Wang; Wu Tao;
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机译：废稀土抛光粉的分解过程和动力学TG-DTA-FTIR研究
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Decomposition process and kinetics of waste rare earth polishing powder TG–DTA–FTIR studies

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