Numerical Simulation of Barium Sulfate Precipitation Process in a Continuous Stirred Tank with Multiple-Time-Scale Turbulent Mixer Model

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• 作者：Qinghua Zhang ; Zai-Sha Mao ; Chao Yang ; Chengjun Zhao
• 刊名：Industrial & Engineering Chemistry Research
• 出版年：2009
• 出版时间：January 7, 2009
• 年：2009
• 卷：48
• 期：1
• 页码：424-429
• 全文大小：309K
• 年卷期：v.48,no.1(January 7, 2009)
• ISSN：1520-5045

文摘

Mixing of reagents is very important in precipitation processes, as it can significantly affect the size distribution and morphology of products. In this work, the influence of turbulent mixing on the course of barium sulfate precipitation process in a continuous stirred tank was investigated with multiple-time-scale turbulent mixer model. The effect of various operating conditions such as feed concentration, stirrer speed, and mean residence time on the barium sulfate precipitation process was clearly demonstrated. The simulation results were compared to the literature data, and good agreement is observed.