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This study involves the design, development, and evaluation of a rotary-flash dryer for sago starch. The dryer’s performance was assessed based on drying capacity, efficiency, losses, and product qual...ity, including moisture content, color change, and fineness modulus. Experiments were conducted at varying drying temperatures (50°C, 55°C, and 60°C) and airflow rates (20 m/s, 22 m/s, and 24 m/s). The highest drying capacity (6.25 kg/hr.) and lowest losses (18%) occurred at 60°C and 24 m/s. Optimal moisture content (11.3%) was achieved at 60°C and 20 m/s, while ideal fineness modulus (1.1) and minimal color change (1.77) were observed at 50°C and 24 m/s. The best drying efficiency (55%) was at 50°C and 20 m/s. Using response surface methodology, the optimal drying conditions were determined to be 56.62°C and 24 m/s.続きを見る
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