Dynamic pyrolysis behaviors, products, and mechanisms of waste rubber and polyurethane bicycle tires

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dc.authorid0000-0001-6841-6457en_US
dc.authorid0000-0003-1099-4363en_US
dc.contributor.authorTang, Xiaojie
dc.contributor.authorChen, Zihong
dc.contributor.authorLiu, Jingyong
dc.contributor.authorChen, Zhiyun
dc.contributor.authorXie, Wuming
dc.contributor.authorEvrendilek, Fatih
dc.contributor.authorBüyükada, Musa
dc.date.accessioned2021-06-23T19:55:05Z
dc.date.available2021-06-23T19:55:05Z
dc.date.issued2021
dc.departmentBAİBÜ, Mühendislik Fakültesi, Çevre Mühendisliği Bölümüen_US
dc.descriptionThis work was financially supported by the National Natural Science Foundation of China (No. 51978175) and the Science and Technology Planning Project of Shaoguan, Guangdong Province, China (No: 2019SN114; 2019CS05307).
dc.description.abstractGiven their non-biodegradable, space-consuming, and environmentally more benign nature, waste bicycle tires may be pyrolyzed for cleaner energies relative to the waste truck, car, and motorcycle tires. This study combined thermogravimetry (TG), TG-Fourier transform infrared spectroscopy (TG-FTIR), and pyrolysis-gas chromato-graphy/mass spectrometry (Py-GC/MS) analyses to dynamically characterize the pyrolysis behavior, gaseous products, and reaction mechanisms of both waste rubber (RT) and polyurethane tires (PUT) of bicycles. The main devolatilization process included the decompositions of the natural, styrene-butadiene, and butadiene rubbers for RT and of urethane groups in the hard segments, polyols in the soft segments, and regenerated isocyanates for PUT. The main TG-FTIR-detected functional groups included C-H, C=C, C=O, and C-O for both waste tires, and also, N-H and C-O-C for the PUT pyrolysis. The main Py-GC/MS-detected pyrolysis products in the decreasing order were isoprene and D-limonene for RT and 4, 4 '-diaminodiphenylmethane and 2-hexene for PUT. The kinetic, thermodynamic, and comprehensive pyrolysis index data verified the easier decomposition of PUT than RT. The pyrolysis mechanism models for three sub-stages of the main devolatilization process were best described by two-dimensional diffusion and two second-order models for RT, and the three consecutive reaction-order (three-halves order, first-order, and second-order) models for PUT.en_US
dc.description.sponsorshipNational Natural Science Foundation of China [51978175]; Science and Technology Planning Project of Shaoguan, Guangdong Province, China [2019SN114, 2019CS05307]
dc.identifier.doi10.1016/j.jhazmat.2020.123516
dc.identifier.issn0304-3894
dc.identifier.issn1873-3336
dc.identifier.pmid32739726en_US
dc.identifier.scopus2-s2.0-85088842328en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.jhazmat.2020.123516
dc.identifier.urihttps://hdl.handle.net/20.500.12491/10725
dc.identifier.volume402en_US
dc.identifier.wosWOS:000593826300004en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorEvrendilek, Fatih
dc.institutionauthorBüyükada, Musa
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofJournal Of Hazardous Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectWaste Tire Pyrolysisen_US
dc.subjectTG-FTIRen_US
dc.subjectPy-GC/MSen_US
dc.subjectKinetic Analysisen_US
dc.subjectMaster-plots Methoden_US
dc.titleDynamic pyrolysis behaviors, products, and mechanisms of waste rubber and polyurethane bicycle tiresen_US
dc.typeArticleen_US

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