Experimental study of pyrolysis and combustion of scrap tire
Abstract
Abstract Pyrolysis and combustion behaviors of a single rubber particle in a derivative thermogravimetric (DTG) apparatus were investigated. The influence of temperature (400–850°C) and oxygen content in gas (5–21%) on combustion behavior of rubber samples and solid products of the pyrolysis process (chars) was studied. Development of the porosity and specific surface area of the rubber particle during pyrolysis was investigated. Pyrolysis of scrap rubber samples was carried out under nitrogen atmosphere over a temperature range 20–850°C using a heating rate of 5°C/min. The measured DTG curves show two different weight loss regions during the pyrolysis over a temperature range 250–550°C. In all, 52–55% of the samples weight was lost during the pyrolysis process and another 30% during the combustion of char. Ashes create approximately 17% of the samples weight. The ignition temperature of scrap rubber samples in air was around 512°C and increased with decreasing oxygen content. The reaction time of the combustion process decreased about 1.4 times with increasing temperature from 500 to 750°C and 5.5 times with decreasing oxygen content in the inlet gas from 21 to 5 mol%. The total specific surface area of the rubber sample with the degree of pyrolysis increased rapidly to 83 m2/g. The values of total porosity increased significantly from 0.3 to 32% at the end of pyrolysis. Copyright © 2006 John Wiley & Sons, Ltd.
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The rapid second stage decomposition of tire waste occurred between 330 to 450 °C, with maximum decomposition achieved at this stage due to rapid decomposition and continuous cracking of primary compounds such as synthetic rubber (SR), styrene-butadiene rubber (SBR) and natural rubber (NR).
“However, it was followed by rapid second stage decomposition of the tire waste that could be considered as active pyrolysis zone. It occurred between 330 to 450 °C, and maximum decomposition was achieved at this stage that was due to rapid decomposition and continuous cracking of the primary compounds of tire waste such as synthetic rubber (SR), styrenebutadiene rubber (SBR) and natural rubber (NR”
From Effect of advanced catalysts on tire waste pyrolysis oil (2018) · cites this paper as Juma et al., 2007
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Tire pyrolysis char: Processes, properties, upgrading and applications
Gao, N., Wang, F., Quan, C., Santamaria, L., Lopez, G., & Williams, P. T. (2022) · Progress in Energy and Combustion Science · doi:10.1016/j.pecs.2022.101022 · Cited by 188 · see citing works
Effect of advanced catalysts on tire waste pyrolysis oil
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- Authors
- Juma, M., Koreňová, Z., Markoš, J., Jelemensky, L., & Bafrnec, M.
- Affiliations
- Slovak University of Technology in Bratislava (SK)
- Corresponding author
- Juma, M.
- ORCID
- Markoš, J.
- Venue
- Polymers for Advanced Technologies
- Publisher
- Wiley
- Published
- 2006-11-21
- Volume
- 18
- Issue
- 2
- Pages
- 144-148
- ISSN
- 1042-7147 (ISSN-L)
- 1099-1581
- OpenAlex
- W2077351109
- Cited by
- 39
- References
- 12
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 4 · 2023: 5 · 2022: 3 · 2021: 2 · 2020: 2 · 2018: 2 · 2016: 2 · 2015: 2 · 2014: 2 · 2013: 2 · 2012: 1
- FWCI
- 1.02
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Polymers for Advanced Technologies (publishedVersion)
- Funders
- Vedecká Grantová Agentúra MŠVVaŠ SR a SAV
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
- Physical Sciences › Materials Science › Materials Chemistry › Thermal and Kinetic Analysis
- Physical Sciences › Environmental Science › Waste Management and Disposal › Municipal Solid Waste Management
- Keywords
- char combustion, ignition temperature, oxygen concentration effects, porosity, specific surface area, weight loss, ash formation, waste tire recycling
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