Data for "Improved Radio-Frequency Heating through Application of Wool Insulation During Phytosanitary Treatment of Wood Packaging Material"
The International Standard of Phytosanitary Measures No. 15 (ISPM-15) requires signatory countries of the International Plant Protection Convention to use approved treatment methods on wood packaging materials used in international trade to significantly reduce the risk of spreading alien species. One of the approved methods utilizes dielectric heating (DH) to raise the temperature in the wood to 60 C through the profile of the workload for 1 minute to eradicate pests. To improve the uniform distribution of heat within a wood workload using radio frequency, a form of dielectric heating, we tested the use of a wool blanket as a thermal insulation material for wood pallet components. Three species commonly used in the pallet industry: yellow poplar (Liriodendron tulipifera L.), Northern red oak (Quercus rubra L.), and Eastern white pine (Pinus strobus L.) were used to generate matched sets of stringer samples. Internal wood temperatures were monitored continuously during treatment to comply with the ISPM-15 schedule. Applying a wool (keratin) insulation blanket increased the rate of heating, improved heating uniformity throughout the workload, and reduced moisture loss compared to uninsulated controls for some wood species, but not all. These findings were most significant for higher moisture content and more permeable pallet materials (white pine and yellow poplar). By reducing treatment time, power consumption costs can be reduced using wool insulation when implementing the ISPM-15 DH treatment schedule.
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| Work Title | Data for "Improved Radio-Frequency Heating through Application of Wool Insulation During Phytosanitary Treatment of Wood Packaging Material" |
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| License | CC BY 4.0 (Attribution) |
| Work Type | Dataset |
| Publication Date | 2022 |
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| Deposited | January 14, 2022 |
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