ORIGINAL RESEARCH
Physicochemical Characteristics, Pyrolysis Behavior, and Kinetics of Packaging Solid Waste from the Tobacco Logistics Industry
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Taoze Liu 3,4
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1
Upland Flue-Cured Tobacco Quality & Ecology Key Laboratory of CNTC, Guizhou Academy of Tobacco Science, Guiyang 550081, PR China
 
2
Qiannan Prefecture Company of Guizhou Tobacco Company, Duyun 558000, PR China
 
3
College of Eco-Environmental Engineering, Guizhou Minzu University, Guiyang 550025, PR China
 
4
Engineering Research Center of Green and Low-carbon Technology for Plastic Application, Guizhou Minzu University, Guiyang 550025, PR China
 
 
Submission date: 2025-09-26
 
 
Final revision date: 2025-11-30
 
 
Acceptance date: 2025-12-17
 
 
Online publication date: 2026-02-18
 
 
Corresponding author
Taoze Liu   

College of Eco-Environmental Engineering, Guizhou Minzu University, Guiyang 550025, PR China
 
 
Zhanghong Wang   

College of Eco-Environmental Engineering, Guizhou Minzu University, Guiyang 550025, PR China
 
 
 
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ABSTRACT
To promote the green development of the tobacco logistics industry and realize resource utilization of its solid packaging waste, this study investigated plastic wrapping film (polyethylene, PE), logistics cardboard boxes (LCB), logistics wood strips (LWS), and cigarette packaging paper (CPP) as representative materials. Comprehensive analyses were conducted on their composition, surface functional groups, morphology, crystal phases, chemical bonds, and pyrolysis behaviors. Furthermore, the co-pyrolysis interactions and kinetic parameters of PE blended with LCB, LWS, or CPP were studied. The results showed that PE is mainly composed of C, H, and trace O, with C-H and -OH as dominant surface functional groups. In contrast, LCB, LWS, and CPP are rich in C, H, O, N, and S, with major surface functional groups of C=O, -C-O, C-H, and -OH, and contain substantial mineral particles or additives. PE displays high thermal stability, decomposes within a narrow temperature range (407~485°C), and produces negligible solid residue after pyrolysis. During co-pyrolysis, there are strong interactions between PE and LCB, LWS, or CPP. Notably, the presence of minerals or additives in LCB can greatly mitigate the negative effects of PE softening, shifting the pyrolysis temperature of both LCB and PE to lower regions and reducing their activation energies to 11.43 and 16.53 kJ/mol, respectively. The study demonstrates that co-pyrolysis is a feasible approach for the resource utilization of solid waste from the tobacco logistics industry.
eISSN:2083-5906
ISSN:1230-1485
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