期刊
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
卷 168, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jaap.2022.105743
关键词
Co -pyrolysis; Biomass; Waste tire; Kinetics; Fraser -Suzuki deconvolution
资金
- National Natural Science Foundation of China
- Zhejiang Provincial Natural Science Foundation
Co-pyrolysis of biomass with waste tire can improve bio-oil quality and mitigate environmental issues. Positive synergistic effects were observed in this study when corn stover and waste tire were co-pyrolyzed. Kinetics analysis revealed the activation energy of each pseudo-component, and the reaction mechanism was determined. The results provide valuable information for scale-up of the co-pyrolysis process.
Co-pyrolysis of biomass with waste tire, a hydrogen-rich material, can both improve the quality of bio-oil and mitigate the environmental issue caused by the disposal of waste tires. In this study, co-pyrolysis of corn stover and waste tire was firstly performed in a micro pyrolyzer, and positive synergistic effects were observed, promoting the production of hydrocarbon compounds. Additionally, the kinetics of co-pyrolysis of corn stover and waste tire were investigated. Due to the complexities of the co-pyrolysis process, the global process was divided into reactions of seven pseudo-components using the Fraser-Suzuki deconvolution function. The deconvolution results presented a good fit with experimental results. The activation energy of each pseudo-component was calculated using Kissinger-Akahira-Sunose (KAS), Flynn-Wall-Ozawa (FWO), and Friedman methods. Activation energy of each pseudo-component calculated from above mentioned methods did not greatly varied. Pseudocomponent additives in waste tire with low thermal stability had the lowest activation energy (118.21-127.10 kJ/mol), and lignin in corn stover and synthetic rubbers (SR) in waste tire showed high activation energies since they are more thermally stable. The reaction mechanism was then determined using the master plot method. The results of the study are expected to provide more accurate basic information for further scale-up of the co-pyrolysis process.
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