Unlike hot air and tray dryers, Guedu is designed to stir the powder under vacuum. This design improves drying time by a factor two to 10 compared to tray dryers, says the manufacturer. The vertical dryer design also reduces total cycle time by a similar ratio by reducing the necessary handling. The mechanical mixing during drying improves product homogeneity, so at the end of the cycle, the product comes out evenly dried, with residual moistures below 0.1 percent where required.

De Dietrich Process Systems

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