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Article: Comparative pyrolysis upcycling of polystyrene waste: Thermodynamics, kinetics, and product evolution profile
Title | Comparative pyrolysis upcycling of polystyrene waste: Thermodynamics, kinetics, and product evolution profile |
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Authors | |
Keywords | Polystyrene waste Pyrolysis TG-FTIR Thermodynamics Kinetics |
Issue Date | 2013 |
Citation | Journal of Thermal Analysis and Calorimetry, 2013, v. 111, n. 1, p. 781-788 How to Cite? |
Abstract | Pyrolysis is one important way to treat polystyrene waste and upcycle it into useful materials. A comparative pyrolysis study of virgin polystyrene (VPS) and two types of commonly used polystyrene products, expanded polystyrene (EPS) and polystyrene container (CPS) was carried out. Various values were found in the thermodynamic study and kinetic study of VPS, EPS, and CPS pyrolysis, suggesting distinct thermal degradation characteristics of these materials. The energy barrier order of the pyrolysis processes was EPS, CPS, VPS, showing activation energy of 230, 219, and 145 kJ mol-1, respectively. The order of amount of heat absorbed was EPS, CPS, VPS, with enthalpy of 224, 213, and 139 kJ mol-1, respectively. The reaction favorability order was EPS, CPS, and VPS with Gibbs free energy of 118, 132, and 210 kJ mol -1, respectively. Thermogravimetric analysis indicated the use of high heating rate would increase the reaction rate and shorten the reaction time. Product evolution profiles showed that VPS and CPS pyrolysis produced mainly aromatics, while EPS pyrolysis produced aromatics at the initial phase of the reaction and aliphatic hydrocarbon at the latter phase. The diverse pyrolysis behaviors of VPS, EPS, and CPS demonstrated that an examination on different polystyrene materials was desired to optimize the pyrolysis conditions and product distribution, and thus benefit the process of valuable materials recovery. © 2012 Akadémiai Kiadó, Budapest, Hungary. |
Persistent Identifier | http://hdl.handle.net/10722/270342 |
ISSN | 2023 Impact Factor: 3.0 2023 SCImago Journal Rankings: 0.585 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Mo, Yu | - |
dc.contributor.author | Zhao, Lei | - |
dc.contributor.author | Chen, Chia Lung | - |
dc.contributor.author | Tan, Giin Yu Amy | - |
dc.contributor.author | Wang, Jing Yuan | - |
dc.date.accessioned | 2019-05-27T03:57:20Z | - |
dc.date.available | 2019-05-27T03:57:20Z | - |
dc.date.issued | 2013 | - |
dc.identifier.citation | Journal of Thermal Analysis and Calorimetry, 2013, v. 111, n. 1, p. 781-788 | - |
dc.identifier.issn | 1388-6150 | - |
dc.identifier.uri | http://hdl.handle.net/10722/270342 | - |
dc.description.abstract | Pyrolysis is one important way to treat polystyrene waste and upcycle it into useful materials. A comparative pyrolysis study of virgin polystyrene (VPS) and two types of commonly used polystyrene products, expanded polystyrene (EPS) and polystyrene container (CPS) was carried out. Various values were found in the thermodynamic study and kinetic study of VPS, EPS, and CPS pyrolysis, suggesting distinct thermal degradation characteristics of these materials. The energy barrier order of the pyrolysis processes was EPS, CPS, VPS, showing activation energy of 230, 219, and 145 kJ mol-1, respectively. The order of amount of heat absorbed was EPS, CPS, VPS, with enthalpy of 224, 213, and 139 kJ mol-1, respectively. The reaction favorability order was EPS, CPS, and VPS with Gibbs free energy of 118, 132, and 210 kJ mol -1, respectively. Thermogravimetric analysis indicated the use of high heating rate would increase the reaction rate and shorten the reaction time. Product evolution profiles showed that VPS and CPS pyrolysis produced mainly aromatics, while EPS pyrolysis produced aromatics at the initial phase of the reaction and aliphatic hydrocarbon at the latter phase. The diverse pyrolysis behaviors of VPS, EPS, and CPS demonstrated that an examination on different polystyrene materials was desired to optimize the pyrolysis conditions and product distribution, and thus benefit the process of valuable materials recovery. © 2012 Akadémiai Kiadó, Budapest, Hungary. | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of Thermal Analysis and Calorimetry | - |
dc.subject | Polystyrene waste | - |
dc.subject | Pyrolysis | - |
dc.subject | TG-FTIR | - |
dc.subject | Thermodynamics | - |
dc.subject | Kinetics | - |
dc.title | Comparative pyrolysis upcycling of polystyrene waste: Thermodynamics, kinetics, and product evolution profile | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1007/s10973-012-2464-6 | - |
dc.identifier.scopus | eid_2-s2.0-84872497273 | - |
dc.identifier.volume | 111 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 781 | - |
dc.identifier.epage | 788 | - |
dc.identifier.isi | WOS:000313207400100 | - |
dc.identifier.issnl | 1388-6150 | - |