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Kinetics and product evolution in polyethylene pyrolysis over γ-Al2O3: A synergistic approach integrating particle swarm optimization, machine learning, and TG-FTIR-GC/MS

delete2026-07-30
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PRE
AI
Y
Yujing Shi
Y
Yichao Qian
J
Jiawei Bi
C
Chuanqun Liu
H
Haibo Zhang
Z
Zhongqing Ma *
Y
Yutao Zhang *
DOI:10.1016/j.joei.2026.102675delete
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Abstract

Abstract

En 中文
• Integrated PSO, machine learning, and TG-FTIR-GC/MS for PE/γ-Al2O3 pyrolysis. • Optimal γ-Al2O3:PE ratio of 1:1 minimized activation energy to 192.56 kJ/mol. • Reaction mechanism shifted from F3 (chemical) to D1 (diffusion) with catalyst. • LSTM outperformed BPNN in TG prediction (R2=0.9991, RMSE=0.38, MAE=0.21). • C8–C14 olefins reached 89.46% at 550 °C with γ-Al2O3:PE=1:1.

Journal

Journal of the Energy Institute cover
Journal of the Energy Institute
IF:
6.2
Papers:
2.9K
Citations:
8.1K

Organization

Z
Zhejiang Agriculture and Forestry University
Scholars:
492
Papers: 150
Citations: 0
D
Dalian University of Technology
Scholars:
5.7W
Papers: 4.3W
Citations: 5.5W
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