Abstract

This work investigates how process control of moisture content in continuously operated convective dryers for particulate bio-materials influences the product’s activity. As case study drying of baker’s yeast in a fluidized bed dryer is considered. Superiority of controlled process operation over un-controlled operation with respect to uncertainties in the falling-rate drying period as well as process disturbances is demonstrated simulation studies. Furthermore, limitations in controllability of activity are pointed out and future actions are proposed.

中文翻译：

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水分控制对面包酵母颗粒连续流化床干燥活性的影响

摘要

这项工作研究了颗粒生物材料的连续操作对流干燥机中水分含量的过程控制如何影响产品的活性。作为案例研究，考虑在流化床干燥器中干燥面包酵母。模拟研究证明了受控过程操作相对于非受控操作在降速干燥期间的不确定性以及过程干扰方面的优越性。此外，指出了活动可控性的局限性，并提出了未来的行动。