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Capturing the arsenic fraction of CCA treated waste wood in the solid instead of in the gas phase during pyrolysis

Toshimitsu Hata (Research Institute for Sustainable Humanosphere, Kyoto University, Kyoto, Japan)
Paul Bronsveld (Department of Applied Physics, Materials Science Center, University of Groningen, Groningen, The Netherlands)
Tomo Kakitani (Research Institute for Sustainable Humanosphere, Kyoto University, Kyoto, Japan)
Dietrich Meier (Institute of Wood Chemistry and Chemical Technology of Wood, Federal Research Centre for Forestry and Forest Products, Hamburg, Germany)
Takeshi Kajimoto (Industrial Technology Center of Wakayama Prefecture, Wakayama, Japan)
Yuji Imamura (Research Institute for Sustainable Humanosphere, Kyoto University, Kyoto, Japan)

Management of Environmental Quality

ISSN: 1477-7835

Publication date: 1 October 2004

Abstract

Recycling of preservative‐treated waste wood can be an environmental problem due to toxic elements being emitted into the environment. Pyrolyzing CCA‐treated wood at low temperature without any oxidizing agent is applied to capture the arsenic fraction in the solid residue. The influence of well‐defined process parameters such as pyrolysis temperature, time and heating rate are studied. Arsenic contents in the gas phase were measured by a wet chemical method while structural analysis of the arsenic reaction products was determined with Transmission Electron Microscopy.

Keywords

Citation

Hata, T., Bronsveld, P., Kakitani, T., Meier, D., Kajimoto, T. and Imamura, Y. (2004), "Capturing the arsenic fraction of CCA treated waste wood in the solid instead of in the gas phase during pyrolysis", Management of Environmental Quality, Vol. 15 No. 5, pp. 502-508. https://doi.org/10.1108/14777830410553942

Publisher

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Emerald Group Publishing Limited

Copyright © 2004, Emerald Group Publishing Limited