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- 저자 : Rumaisa Tariq (검색결과 1 건)
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Kinetic and thermodynamic evaluation of pyrolysis of jeans waste via coatsredfern method
Rumaisa Tariq,Abrar Inayat,Muhammad Shahbaz,Hassan Zeb,Chaouki Ghenai,Tareq Al-Ansari,김재훈 한국화학공학회 2023 Korean Journal of Chemical Engineering Vol.40 No.1
Used textiles, such as jeans wastes, exhibit a high potential for generating renewable and sustainable energy. However, limited research has been devoted toward investigating the kinetic and thermodynamic parameters of textile wastes during pyrolysis and applying these wastes as feedstock for fuels such as biogas. Therefore, this study investigated the kinetic and thermodynamic aspects of the thermal decomposition of jeans waste to evaluate its potential for sustainable energy production. Jeans waste was heat treated at 50–850 °C under different heating rates of 10–40 °C min−1. Active pyrolysis for the decomposition of jeans waste occurred at temperatures ranging from 250 to 550 °C. Specific Coats-Redfern-type reaction mechanisms were applied to determine the kinetic and thermodynamic variables in the active temperature zone. The thermodynamic parameters (ΔH and ΔG) and activation energies increased when the heating rate was increased from 10 to 30 °C min−1. When the heating rate was further increased to 40 °C min−1, ΔH, ΔG, and the activation energies decreased. For heating rates of 10, 20, 30, and 40 °C min−1, the pre-exponential factors varied in the ranges of 7.4×103 to 1.4×104, 1.8×104 to 5.1×1010, 2.8×104 to 5.3×1010, and 3.6×104 to 3.1×1010 min−1, respectively. In each reaction mechanism model, the entropy changed negatively for all the heating rates examined in this study. This work and its results could serve as a guide for implementing such pyrolysis processes for textile wastes at a practical scale for bioenergy applications.
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