A Novel Rotary Dryer Filled with Alumina Ceramic Beads for the Treatment of Industrial Wastewaters: Numerical Simulation and Experimental Study
نویسندگان
چکیده
In this study, a new type of rotary dryer filled with inert alumina ceramic bead (ACB) fillers was introduced to treat the industrial wastewater, e.g., high-salt wastewater and landfill leachate. Numerical simulations based on Discrete Element Method (DEM) motion trajectory ACB in were conducted, parameters flight structure, rotational speed, filling degree dynamic behavior optimized. Under various speeds degrees, experimental results fit numerical-simulated very well. The optimized configuration straight flights length 65 mm, speed 35 rpm 15%, respectively. condition, both response variables, mass particles airborne phase (MAP) percentage occupied area region (OAR), have optimal values, which will better drying performance. Besides, lower-right drum is empty convenient for installation inlet pipe. experiments wastewaters also studied using under conditions. operational conditions, evaporation capacities leachate could reach as high 49.7 kg/h 90 kg/h, This study highlights integration processes novel provides an efficient zero-liquid-emission strategy thermal treatment wastewater.
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ژورنال
عنوان ژورنال: Processes
سال: 2021
ISSN: ['2227-9717']
DOI: https://doi.org/10.3390/pr9050862