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Influence of drying methods on the thermodynamic parameters, effective moisture diffusion and drying rate of wastewater sewage sludge

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  • Ameri, Billal
  • Hanini, Salah
  • Boumahdi, Mouloud

Abstract

In this study, thin layer drying experiments of direct and indirect natural convection solar drying of wastewater sewage sludge in Algeria were conducted. The purpose of these was to analyze the effect of two methods of drying on different parameters, namely: drying rate, efficient diffusion of moisture, and thermodynamic parameters. Three new universal drying kinetic models were proposed and compared with four other models existing in the literature to model the drying process. The effective diffusivity of moisture of sludge (Deff) changed from 1.91 10−8 to 9.12 10−8 m2 s−1. It was obtained by using Fick's second law, based on the resolution by Laplace's transformation method and the Fourier series. Thermodynamic parameters, to know, activation energy, free energy change, enthalpy and entropy change, were also determined using a new methodology build on the evolution of effective diffusion coefficient in terms of temperature by adopting the Eyring equation.

Suggested Citation

  • Ameri, Billal & Hanini, Salah & Boumahdi, Mouloud, 2020. "Influence of drying methods on the thermodynamic parameters, effective moisture diffusion and drying rate of wastewater sewage sludge," Renewable Energy, Elsevier, vol. 147(P1), pages 1107-1119.
    • Handle: RePEc:eee:renene:v:147:y:2020:i:p1:p:1107-1119
    DOI: 10.1016/j.renene.2019.09.072
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    References listed on IDEAS

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    1. Bennamoun, Lyes & Arlabosse, Patricia & Léonard, Angélique, 2013. "Review on fundamental aspect of application of drying process to wastewater sludge," Renewable and Sustainable Energy Reviews, Elsevier, vol. 28(C), pages 29-43.
    2. Yaldiz, Osman & Ertekin, Can & Uzun, H.Ibrahim, 2001. "Mathematical modeling of thin layer solar drying of sultana grapes," Energy, Elsevier, vol. 26(5), pages 457-465.
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    Cited by:

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    2. Badaoui, Ouassila & Djebli, Ahmed & Hanini, Salah, 2022. "Solar drying of apple and orange waste: Evaluation of a new thermodynamic approach, and characterization analysis," Renewable Energy, Elsevier, vol. 199(C), pages 1593-1605.
    3. Afshari, Faraz & Khanlari, Ataollah & Tuncer, Azim Doğuş & Sözen, Adnan & Şahinkesen, İstemihan & Di Nicola, Giovanni, 2021. "Dehumidification of sewage sludge using quonset solar tunnel dryer: An experimental and numerical approach," Renewable Energy, Elsevier, vol. 171(C), pages 784-798.
    4. Chen, Xiao & Yu, Ying-jun & Wang, Yi & Feng, Jing-chun & Zhang, Si & Ding, Zhi-bin & Tang, Li & Wu, Xiao-nan & Hu, Jun-lin, 2024. "Mutual disposal of municipal solid waste and flue gas on isolated islands," Applied Energy, Elsevier, vol. 353(PA).
    5. Arman Forouzanfar & Mohammad Hojjati & Mohammad Noshad & Antoni Jacek Szumny, 2020. "Influence of UV-B Pretreatments on Kinetics of Convective Hot Air Drying and Physical Parameters of Mushrooms ( Agaricus bisporus )," Agriculture, MDPI, vol. 10(9), pages 1-10, August.

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