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The thin-layer drying behavior of municipal sewage sludge in a laboratory-scale hot-air-forced convective dryer was investigated in between 100 and 160 °C hot air temperatures and hot air velocities of 0.6, 1.4, and 2.0 m s−1. The thin-layer drying of sewage sludge presented a combination of a short warm-up period, and two distinguished falling rate periods. The Modified Page model was the best model...
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