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Combustion of Volatile Matter in Fluidized Beds

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Fluidization

Abstract

The change of the volatiles burn-out time has been investigated for different particle sizes, superficial velocities, volatile matter content and masses charged. The results have shown that the volatiles take about 3–12 sec to burn for the particle size(1.52–3.06mm) and velocity range (0.38–0.58m/s) studied. The radial velocity of the volatiles coming out of a particle was found to be close to Umf. The surface flux of volatiles increases with particle size. The volatiles affect the combustion characteristics of the remaining char.

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References

  • Field,M.A.,Gill,D.W.,I4organ,B.B., and Hawskley,P.G.W.,1967, Combustion of coal volatiles,in:“Combustion of Pulverized Coal”, The British Coal Utilization Research Association,Leatherhead.

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  • Howard, J.B., and Essenhigh, R.H., 1967, Mechanism of solid-particle combustion with simultaneous gas-phase volatiles combustion, Eleventh Symp.(Intn.) on Combustion, The Combustion Institute, 399.

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  • Pyle,D.L.,1975, Fluidized combustion models (rapporteur’s report), Inst.of Fuel Symp.Series,2, No. 1, 6.

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  • Yates,J.G., and Walker,P.R., 1973, Particle temperatures in a flui- dized bed combustor,in: “Fluidization”,J.F.Davidson, and D.L.Keairns, eds.,Cambridge University Press, Cambridge.

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Author information

Authors and Affiliations

  1. Department of Environmental Engineering, Middle East Technical University, Ankara, Turkey

    A. Atimtay

Authors
  1. A. Atimtay
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Editor information

Editors and Affiliations

  1. University of British Columbia, Vancouver, British Columbia, Canada

    John R. Grace

  2. Exxon Research and Engineering Company, Florham Park, New Jersey, USA

    John M. Matsen

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© 1980 Plenum Press, New York

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Atimtay, A. (1980). Combustion of Volatile Matter in Fluidized Beds. In: Grace, J.R., Matsen, J.M. (eds) Fluidization. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-1045-7_12

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  • DOI: https://doi.org/10.1007/978-1-4684-1045-7_12

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4684-1047-1

  • Online ISBN: 978-1-4684-1045-7

  • eBook Packages: Springer Book Archive

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