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Gasification kinetics of waste tire-char with CO2 in a thermobalance reactor

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  • Lee, Jung Soo
  • Kim, Sang Done

Abstract

The effects of gasification temperature (850–1000°C) and partial pressure of CO2 (0.3–1.0 atm) on gasification rate of tire-char/CO2 have been determined in a thermobalance reactor. The gasification rate was found to be independent of char size for sizes less than 0.65 mm and initial sample mass less than 1.0 g. Among the tested models, the modified volume reaction model is best for predicting our conversion data. The kinetic parameters (activation energy, pre-exponential factor and reaction order) are determined on the basis of a modified volume-reaction model. From the Arrhenius plot (km vs 1/T), the activation energy and the pre-exponential factor are found to be 57.06 kcal/mol and 1.49 × 108/min, respectively. The reaction order is found to be 0.68 with respect to CO2 partial pressures of 0.3–1.0 atm at 950°C. The gasification reaction rate of tire-char/CO2 may be expressed as dX/dt = (1.49 × 108) exp(−57,060/RT)(PCO2) 0.68(1-X).

Suggested Citation

  • Lee, Jung Soo & Kim, Sang Done, 1996. "Gasification kinetics of waste tire-char with CO2 in a thermobalance reactor," Energy, Elsevier, vol. 21(5), pages 343-352.
    • Handle: RePEc:eee:energy:v:21:y:1996:i:5:p:343-352
    DOI: 10.1016/0360-5442(95)00119-0
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    Cited by:

    1. Bujak, Janusz Wojciech, 2015. "Production of waste energy and heat in hospital facilities," Energy, Elsevier, vol. 91(C), pages 350-362.
    2. Lahijani, Pooya & Zainal, Zainal Alimuddin & Mohammadi, Maedeh & Mohamed, Abdul Rahman, 2015. "Conversion of the greenhouse gas CO2 to the fuel gas CO via the Boudouard reaction: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 41(C), pages 615-632.
    3. Inayat, Muddasser & Sulaiman, Shaharin A. & Kurnia, Jundika Candra & Shahbaz, Muhammad, 2019. "Effect of various blended fuels on syngas quality and performance in catalytic co-gasification: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 105(C), pages 252-267.
    4. Bujak, Janusz Wojciech, 2015. "Thermal utilization (treatment) of plastic waste," Energy, Elsevier, vol. 90(P2), pages 1468-1477.
    5. Miranda, Miguel & Cabrita, I. & Pinto, Filomena & Gulyurtlu, I., 2013. "Mixtures of rubber tyre and plastic wastes pyrolysis: A kinetic study," Energy, Elsevier, vol. 58(C), pages 270-282.
    6. Lahijani, Pooya & Mohammadi, Maedeh & Mohamed, Abdul Rahman, 2019. "Investigation of synergism and kinetic analysis during CO2 co-gasification of scrap tire char and agro-wastes," Renewable Energy, Elsevier, vol. 142(C), pages 147-157.
    7. Lee, See Hoon & Yoon, Sang Jun & Ra, Ho Won & Son, Young Il & Hong, Jai Chang & Lee, Jae Goo, 2010. "Gasification characteristics of coke and mixture with coal in an entrained-flow gasifier," Energy, Elsevier, vol. 35(8), pages 3239-3244.
    8. Amir Rowhani & Thomas J. Rainey, 2016. "Scrap Tyre Management Pathways and Their Use as a Fuel—A Review," Energies, MDPI, vol. 9(11), pages 1-26, October.
    9. Bujak, Janusz Wojciech, 2015. "Heat recovery from thermal treatment of medical waste," Energy, Elsevier, vol. 90(P2), pages 1721-1732.

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