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The release of terpenes during storage of biomass

På svenska

Author

Summary, in English

During outdoor storage of large quantities of wood fuels, hydrocarbons are emitted into air in gas phase and leached out into the ground by precipitation. To investigate to what extent these emissions have environmental or health effects, sampling has been done on wood chip piles in an existing terminal storage situated in the south of Sweden, north east of Växjö. Sampling was done by solid phase microextraction (SPME) and analyzed on a gas chromatograph equipped with a mass spectrometer. The storage period, during which sampling was performed, stretches from June through January, a total of 200 days. Sampling was performed at 7 occasions. The results show that emissions into air increases when the temperature directly above the pile increases. The temperature above the pile decrease with the ambient temperature, up until September for the forest residue and October for the bark and root reducing wood chips, when the temperature above the pile suddenly increases. This could be due to the ambient temperature, the storage time or microbial activity.

The PAH content in the leachate, 27.27 μg/l, does not seem to be in the range where it might give large effects on the environment.

Publishing year

2005

Language

English

Pages

29-34

Publication/Series

Biomass & Bioenergy

Volume

28

Issue

1

Document type

Journal article

Publisher

Elsevier

Topic

  • Production Engineering, Human Work Science and Ergonomics

Keywords

  • gas chromatography
  • volatile organic compounds
  • terpenes
  • organic emission
  • biomass storage

Status

Published