Thin Layer Drying of Cassava Starch Using Continuous Vibrated Fluidized Bed Dryer

摘要

This paper present the experimental work and thin layer modelling of cassava starch drying in continuous vibrated fluidized bed dryer. The experimental data was used to validate nine thin layer models of drying curve. Cassava starch with 0.21 initial moisture content was dried in different air drying temperature (50°C, 55°C, 60°C, 65°C, 70°C), different weir height in bed (0 and 1 cm), and different solid feed flow (10 and 30 gr.minute~(-1)). The result showed air dryer temperature has a significant effect on drying curve, while the weir height and solid flow rate are slightly. Based on value of R~2, χ~2, and RMSE, Page Model is the most accurate simulation for thin layer drying model of cassava starch.