Characterization of the pyrolysis process of expanded polystyrene waste
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Published:
Jun 8, 2021
Keywords:
hydrocarbons, pyrolysis, expanded polystyrene, waste
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Abstract
From the different existing methods for plastic recycling, pyrolysis offers the possibility of solving mechanical recycling limitations, which requires large amounts of clean, separate and homogeneous plastic waste in order to be able to guarantee the quality of the final product. In pyrolysis, it is not necessary to classify or clean the different types of plastic waste and it is possible to process waste contaminated with food and chemical products, such as insecticides, herbicides and fertilizers, reducing classification and cleaning costs. Pyrolysis consists of the chemical decomposition of plastic materials by thermal degradation in the absence of oxygen. In this work the results obtained from the pyrolysis ofwaste expanded polystyrene (EPS) in a batch reactor, varying the pyrolysis temperature are presented. It was experimented with a mass of 500 g and temperatures of 350, 400 and 450 ° C. The results indicate that the highest conversion performance in to liquid hydrocarbon was obtained at a temperature of 450 ° C. The lowest yield of liquid hydrocarbon was obtained at the temperature 350 ° C.
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Gonzalez Aguilar, A. M., Riesco Ávila, J. M., Elizalde Blancas, F., & Tejeda del Cueto, M. E. (2021). Characterization of the pyrolysis process of expanded polystyrene waste. Ingenio Magno, 11(2), 135-146. Retrieved from http://revistas.ustatunja.edu.co/index.php/ingeniomagno/article/view/2185
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Artículos-11-2
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separation of oxygenated and hydrocarbon condensates,” Applied Energy, vol. 229, pp. 314-325, 2018.
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Conversion and Management, vol. 115, pp. 308-326, 2016.
A. Sobko, “Generalized Van der Waals-Berthelot equation of state,” Doklady Physics, vol. 53, no. 8, pp. 416-
419, 2008.
J. A. Onwundili, N. Insura and P. Williams, “Composition of products from the pyrolysis of polyethylene
and polystyrene in a closed batch reactor: Effects of temperature and residence time,” Journal of Analytical
and Applied Pyrolysis, vol. 86, no. 2, pp. 293-303, 2009.
L. Quesada, M. Calero, M. Martín-Lara, A. Pérez and G. Blázquez, “Characterization of fuel produced by pyrolysis of plasticfilm obtained of municipal solid waste,” Energy, vol. 186, pp. 1-9, 2019.
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the production of high value gasoline range hydrocarbons (HC),” Process Safety and Enviromental Protection,
vol. 127, pp. 171-179, 2019.
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the primary volatiles produced from polystyrene pyrolysis in a wire-mesh reactor,” Fuel, vol. 182, pp. 333-339,
2016.
T. Faravelli, M. Pinciroli, F. Pisano, G. Bozzano, M. Dente and E. Ranzi, “Thermal degradation of polystyrene,”
Journal of Analytical and Applied Pyrolysis, vol. 60, no. 1, pp. 103-121, 2001.
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of polystyrene,” Polymer Degradation and Stability, vol. 28, no. 2, pp. 131-151, 1990.
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silica-alumina catalyst in fluidized bed reactor,” Clean Techn Environ Policy, vol. 17, pp. 1847-1860, 2015.
A. Demirbas, “Pyrolysis of municipal plastic wastes for recovery of gasolinerange hydrocarbons,” Journal of
Analytical and Applied Pyrolysis, vol. 72, no. 1, pp. 97-102, 2004.
Y. Liu, J. Qian and J. Wang, “Pyrolysis of polystyrene waste in a fluidized-bed reactor to obtain styrene monomer
and gasoline fraction,” Fuel Processing Technology, vol. 63, no. 1, pp. 45-55, 2000.
A. Karaduman, E. Simsek, B. Cicek and A. Y. Bilgesü, “Flash pyrolysis of polystyrene wastes in a free-fall reactor under vacuum,” Journal of Analytical and Applied Pyrolysis, vol. 60, no. 2, pp. 179-186, 2001.
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P. T. Williams and E. Slaney, “Analysis of products from the pyrolysis and liquefaction single plastics and
waste plastic mixtures,” Resources, Conservation and Recycling, vol. 51, no. 4, pp. 754-769, 2007.