Forced Convective Drying of Wastewater Sludge with Presentation of Exergy Analysis of the Dryer

作者: Lyes Bennamoun , Laurent Fraikin , Jie Li , Angélique Léonard

DOI: 10.1080/00986445.2015.1114475

关键词: ExergyEnvironmental scienceConvectionActivated sludgeHumidityAir velocityWaste management

摘要: The main objective is studying the fundamental aspect, by means of drying kinetics and application forced convective wastewater sludge with determination optimum conditions. system composed two units; small samples 2.5 g are dried in first unit a bed weighing 250 g second unit. experiments performed under air temperatures varying between 80°C 200°C. range velocity its humidity 1–2 m/s 0.005–0.05 kgwater/kgdry air, respectively. for different sludges: activated (AS) thermalized digested (TDS). Usually, three phases observed during sludge. These reduced to only samples. Determination influent parameters shows that temperature origin can profoundly influence kinetic exergy analysis units t...

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