Determination of dry sludge hold-up in a continuous paddle dryer

Abstract : In previous works, solids holdup proved to be the most influential parameter of a stochastic flow model of a continuous paddle dryer: we thus aimed at correlating it with operating parameters. A fractional factorial Design of Experiments (DoE) was implemented, in which dryer slope, stirrer speed, overflow level and sludge flow rate were initially selected as factors. The DoE was then completed after reducing the number of influent parameters and their interactions, using surface response methodology (RSM), to get a predictive relationship for solids holdup determination.
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Mathieu Milhé, Martial Sauceau, Patricia Arlabosse. Determination of dry sludge hold-up in a continuous paddle dryer. ECSM 2014 - 4th European Conference on Sludge Management, May 2014, Izmir, Turkey. 8p. ⟨hal-01725292⟩

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