设定值
结晶
体积流量
入口
Crystal(编程语言)
体积热力学
增长率
材料科学
成核
热力学
化学
化学工程
晶体生长
结晶学
人工智能
有机化学
工程类
物理
程序设计语言
机械工程
计算机科学
数学
几何学
作者
Hsing-Yu Wang,Jeffrey D. Ward
标识
DOI:10.1016/j.jtice.2016.05.001
摘要
Control of two continuous reactive crystallization processes, one for the production of barium sulfate and one for the production of L-glutamic acid, is investigated. In both processes, the crystal mass production rate and the volume mean size of the product are controlled by manipulating the reactant inlet volumetric flow rates and the holdup in the crystallizer. The reactant inlet concentration, nucleation rate, and temperature of the crystallizer are considered as disturbances. The control structures provide good performance for 10% changes in disturbance variables and setpoint changes. Furthermore, stability analysis is performed for both processes and operating regions where continuous oscillations in solute concentration and crystal size distribution can occur are identified.
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