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Thermochemical treatment of E-waste from small household appliances using highly pre-heated nitrogen-thermogravimetric investigation and pyrolysis kinetics

Author

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  • Kantarelis, E.
  • Yang, W.
  • Blasiak, W.
  • Forsgren, C.
  • Zabaniotou, A.

Abstract

The EU directive on waste of electrical and electronic equipment (WEEE) 2002/96/EC has set a goal of recovering 70-80% in terms of materials and energy. Nowadays, thermal cracking (pyrolysis) of such waste streams is receiving renewed attention, due to the energy and material recovery that can be achieved and therefore the sustainable waste management. However, it still lacks the kinetic background which is of great importance for a successful design of thermochemical processes. In this study the kinetic parameters of WEEE (originating from small household appliances) pyrolysis using highly pre-heated nitrogen under six different heating rates (1-2.5 K/s) have been estimated using a combination of model-free and model fitted methods. Even though WEEE is heterogeneous material, similar behavior at each of the six different heating rates applied was observed. The activation energy of the pyrolysis process determined with two different model-free methods gave comparable results. Pre-exponential factor and reaction order were determined using the Coats-Redfern method. The estimated kinetic parameters for the WEEE pyrolysis are: E = 95.54 kJ/mol, A = 1.06 x 108 and n = 3.38.

Suggested Citation

  • Kantarelis, E. & Yang, W. & Blasiak, W. & Forsgren, C. & Zabaniotou, A., 2011. "Thermochemical treatment of E-waste from small household appliances using highly pre-heated nitrogen-thermogravimetric investigation and pyrolysis kinetics," Applied Energy, Elsevier, vol. 88(3), pages 922-929, March.
    • Handle: RePEc:eee:appene:v:88:y:2011:i:3:p:922-929
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    References listed on IDEAS

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    1. Sand, U. & Sandberg, J. & Larfeldt, J. & Bel Fdhila, R., 2008. "Numerical prediction of the transport and pyrolysis in the interior and surrounding of dry and wet wood log," Applied Energy, Elsevier, vol. 85(12), pages 1208-1224, December.
    2. Ahmed, I.I. & Gupta, A.K., 2010. "Pyrolysis and gasification of food waste: Syngas characteristics and char gasification kinetics," Applied Energy, Elsevier, vol. 87(1), pages 101-108, January.
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    1. José Juan Alvarado Flores & José Guadalupe Rutiaga Quiñones & María Liliana Ávalos Rodríguez & Jorge Víctor Alcaraz Vera & Jaime Espino Valencia & Santiago José Guevara Martínez & Francisco Márquez Mo, 2020. "Thermal Degradation Kinetics and FT-IR Analysis on the Pyrolysis of Pinus pseudostrobus , Pinus leiophylla and Pinus montezumae as Forest Waste in Western Mexico," Energies, MDPI, vol. 13(4), pages 1-25, February.
    2. Garlapati, Vijay Kumar, 2016. "E-waste in India and developed countries: Management, recycling, business and biotechnological initiatives," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 874-881.
    3. Awasthi, Abhishek Kumar & Li, Jinhui, 2017. "Management of electrical and electronic waste: A comparative evaluation of China and India," Renewable and Sustainable Energy Reviews, Elsevier, vol. 76(C), pages 434-447.
    4. Beatrice Beccagutti & Lorenzo Cafiero & Massimiliana Pietrantonio & Stefano Pucciarmati & Riccardo Tuffi & Stefano Vecchio Ciprioti, 2016. "Characterization of Some Real Mixed Plastics from WEEE: A Focus on Chlorine and Bromine Determination by Different Analytical Methods," Sustainability, MDPI, vol. 8(11), pages 1-17, October.

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