Behavior of calcium silicate in leaching process
摘要
Based on the thermodynamic calculation, the mole ratio of CaO to SiO2, temperature and A/S of bauxitehave a profound influence on the mole ratio of 2CaO @ SiO2 to CaO @ SiO2 in sinter. CaO @ SiO2 and β-2CaO @ SiO2appear stable in caustic solution but unstable in soda solution, and CaO @ SiO2 is more stable than β-2CaO @ SiO2 un-der the same leaching condition. Compared with the conventional sinter, the rate of alumina extraction of the newsinter is large and the secondary reaction is restricted in the leaching, which might be mainly due to the more contentof CaO @ SiO2 in sinter and better stability of CaO @ SiO2 in leaching.
引用本文（GB/T 7714）
刘桂华, Xiaobin Li, 彭志宏, 等. Behavior of calcium silicate in leaching process[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2003.
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