Terrance E. Conners, Hui Yan, Sujit Banerjee--The release of turpentine and methanol from drying softwood lumber has been measured in full-scale experiments. VOC concentrations taken within the kiln headspace were very uniform, which allowed the total VOC release to be estimated without knowledge of the airflow. The mechanism proposed for turpentine emissions from lumber comprises three components: release of turpentine from the surface layer of water on the wood, water-mediated transport of turpentine from the wood interior to the surface, and evaporation during the falling rate period. Full-scale VOC releases from lumber can be predicted from laboratory work on sawdust, indicating that the mechanism is independent of the type of furnish.
Product code: ENV0116Author: Conners, T.E., Yan, H., Banerjee, S.
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