Multi-scale reaction kinetic characteristics of waste tire pyrolysis

WU Rui; LUO Guanqun; MA Ruoyu; TAO Xuan

doi:10.13205/j.hjgc.202607008

Volume 44 Issue 7

Jul. 2026

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WU Rui, LUO Guanqun, MA Ruoyu, TAO Xuan. Multi-scale reaction kinetic characteristics of waste tire pyrolysis[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(7): 68-77. doi: 10.13205/j.hjgc.202607008

Citation:

WU Rui, LUO Guanqun, MA Ruoyu, TAO Xuan. Multi-scale reaction kinetic characteristics of waste tire pyrolysis[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(7): 68-77. doi: 10.13205/j.hjgc.202607008

WU Rui, LUO Guanqun, MA Ruoyu, TAO Xuan. Multi-scale reaction kinetic characteristics of waste tire pyrolysis[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(7): 68-77. doi: 10.13205/j.hjgc.202607008

Citation:

WU Rui, LUO Guanqun, MA Ruoyu, TAO Xuan. Multi-scale reaction kinetic characteristics of waste tire pyrolysis[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(7): 68-77. doi: 10.13205/j.hjgc.202607008

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Multi-scale reaction kinetic characteristics of waste tire pyrolysis

doi: 10.13205/j.hjgc.202607008

Cryogenic Center, Hangzhou City University, Hangzhou 310015, China

Received Date: 2025-07-24
Available Online: 2026-09-01

Abstract

Abstract

Among various waste tire treatment methods， pyrolysis has become a major research focus due to its significant advantages， including broad applicability， high resource recovery efficiency， and low environmental pollution. In this study， thermogravimetric analysis was employed to investigate the influence of different heating rates on the pyrolysis characteristics of waste tires. The reaction kinetics were systematically analyzed across three distinct scales： the overall reaction， the weight-loss stages， and the Fraser-Suzuki deconvolution. Comparative studies demonstrated that the Fraser-Suzuki function， with its asymmetric peak-fitting capability， exhibited superior performance in describing the kinetic characteristics of this complex and continuous reaction process during waste tire pyrolysis. Specifically， this function successfully deconvoluted the overall pyrolysis into four pseudo-component reactions， corresponding to additives， natural rubber， synthetic rubber， and high-temperature residual reactants. Their corresponding average activation energies were determined to be 118.21， 202.60， 231.98， 251.97 kJ/mol. This study provides important theoretical support for temperature-zone control and reactor design optimization in waste tire pyrolysis technologies.
- waste tires,
- pyrolysis,
- reaction kinetics,
- multi-scale,
- Fraser-Suzuki deconvolution

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References(32)

References

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