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首页> 外文期刊>Journal of industrial and engineering chemistry >Leaching kinetics of calcined magnesite in acetic acid solutions
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Leaching kinetics of calcined magnesite in acetic acid solutions

机译：丙酸溶液中煅烧菱镁矿的浸出动力学

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摘要

The leaching kinetics of calcined magnesite by using acetic acid solutions was investigated in a batch reactor by using the parameters such as temperature, acid concentration and particle size. The experimental results were successfully correlated by linear regression using Statistica Package Program. Dissolution curves were evaluated in order to test shrinking core models for fluid-solid systems. It was concluded that the leaching of calcined magnesite was controlled by chemical reaction. In addition, the fact that leaching was controlled by the chemical reaction was also supported with the relationship between the reaction rate constant and the particle radius. The apparent activation energy of dissolution process was found as 34.60 kJ mol~(-1).
机译：通过使用温度，酸浓度和粒度等参数研究了通过使用乙酸溶液在分批反应器中进行煅烧菱镁矿的浸出动力学。 使用统计数据包装计划的线性回归成功地相关实验结果。 评估溶解曲线以测试用于流体固体系统的核心模型。 结论是通过化学反应控制煅烧菱镁矿的浸出。 此外，还支持通过化学反应控制浸出的事实，反应速率常数与颗粒半径之间的关系也支持。 发现溶出过程的表观活化能量为34.60 kJ mol〜（-1）。

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