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An experimental and modeling investigation of particle production by spray pyrolysis using a laminar flow aerosol reactor

Published online by Cambridge University Press:  31 January 2011

I. Wuled Lenggoro ,
Takeshi Hata ,
Ferry Iskandar ,
Melissa M. Lunden  and
Kikuo Okuyama
I. Wuled Lenggoro
Affiliation:
Department of Chemical Engineering, Hiroshima University, Kagamiyama 1–4–1, Higashi-Hiroshima 739–8527 Japan
Takeshi Hata
Affiliation:
Department of Chemical Engineering, Hiroshima University, Kagamiyama 1–4–1, Higashi-Hiroshima 739–8527 Japan
Ferry Iskandar
Affiliation:
Department of Chemical Engineering, Hiroshima University, Kagamiyama 1–4–1, Higashi-Hiroshima 739–8527 Japan
Melissa M. Lunden
Affiliation:
Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720
Kikuo Okuyama*
Affiliation:
Department of Chemical Engineering, Hiroshima University, Kagamiyama 1–4–1, Higashi-Hiroshima 739–8527 Japan
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

The influence of operating parameters on the morphology of particles prepared by spray pyrolysis was investigated using a temperature-graded laminar flow aerosol reactor. Experimentally, zirconia particles were prepared by spray pyrolysis using an aqueous solution of zirconyl hydroxide chloride. Hollow particles were formed if the reactor temperature was high, the temperature gradient was too large, the flow rate of carrier gas was high, and the initial solute concentration was low. A numerical simulation of the pyrolysis process was developed using a combination of two previous models. The simulation results compared well with the experimental results.

Type
Articles
Information
Journal of Materials Research , Volume 15 , Issue 3 , March 2000 , pp. 733 - 743
Copyright
Copyright © Materials Research Society 2000

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References

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