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Pretreatment of Automotive Shredder Residues, Their Chemical Characterisation, and Pyrolysis Kinetics

Author

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  • Sandhya Kuruvalan Vijayan

    (Chemical Engineering Department, Monash University, Clayton, VIC 3800, Australia)

  • Mahmud Arman Kibria

    (Chemical Engineering Department, Monash University, Clayton, VIC 3800, Australia)

  • Md Hemayet Uddin

    (Melbourne Centre for Nanofabrication, Clayton, VIC 3800, Australia)

  • Sankar Bhattacharya

    (Chemical Engineering Department, Monash University, Clayton, VIC 3800, Australia)

Abstract

Automotive Shredder Residue (ASR), a waste when metals are mostly removed from end-of-life vehicles, has constituents similar to municipal solid waste (MSW) consisting of plastics, rubber, textiles, and some metals. The processing of ASR is a challenge due to its heterogeneous nature, making feeding to a reactor difficult. In this work, a new procedure of ASR pretreatment is proposed to bring particulate nature in the sample for easier feeding during pyrolysis. The thermal breakdown characteristics of the pretreated ASR solids under slow pyrolysis conditions were assessed in a thermogravimetric analyser following the International Confederation for Thermal Analysis and Calorimetry (ICTAC) kinetics committee recommendations. The effect of particle sizes and heating rates were studied at temperatures up to 800 °C at different heating rates of 2, 5, and 10 °C/min for three particle sizes, 38–63 µm, 63–90 µm, and 90–106 µm, and the kinetic data were derived. The volatiles emitted during pyrolysis were characterized by Diffuse Reflectance Infrared Spectroscopy (DRIFTS). We also developed an algorithm for the selection of heating rate during the pyrolysis of the pretreated ASR. The DRIFTS results, kinetic data, and heating rate for the selected particle sizes are useful for the development of a pyrolysis process for pretreated ASR.

Suggested Citation

  • Sandhya Kuruvalan Vijayan & Mahmud Arman Kibria & Md Hemayet Uddin & Sankar Bhattacharya, 2021. "Pretreatment of Automotive Shredder Residues, Their Chemical Characterisation, and Pyrolysis Kinetics," Sustainability, MDPI, vol. 13(19), pages 1-19, September.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:19:p:10549-:d:641330
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    References listed on IDEAS

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    1. Kaixin Li & Shao Wee Lee & Guoan Yuan & Junxi Lei & Shengxuan Lin & Piyarat Weerachanchai & Yanhui Yang & Jing-Yuan Wang, 2016. "Investigation into the Catalytic Activity of Microporous and Mesoporous Catalysts in the Pyrolysis of Waste Polyethylene and Polypropylene Mixture," Energies, MDPI, vol. 9(6), pages 1-15, June.
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    Cited by:

    1. Jialiu Lei & Xiaofeng Ye & Han Wang & Dongnan Zhao, 2023. "Insights into Pyrolysis Kinetics, Thermodynamics, and the Reaction Mechanism of Wheat Straw for Its Resource Utilization," Sustainability, MDPI, vol. 15(16), pages 1-15, August.

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