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Publication Information

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Title: Effect of wet bulb depression on heat sterilization time of slash pine lumber

Author: Simpson, William T.;

Date:

Source: (Research paper FPL-RP ; 604):6 p. : ill. ; 28 cm.

Publication Series: Research Paper (RP)

Description: For international trade, heat sterilization of wood products is often required to prevent the spread of insects and pathogens. Application of heat sterilization requires estimates of the time necessary to heat the center of the wood configuration to the temperature required to kill the insect or other pest. The nature of the heating medium was found to have a significant effect on heating time of slash pine lumber. The heating time increased exponentially with wet bulb depression. When the wet bulb temperature in the heating chamber was below the desired center temperature, heating times were extended far beyond the times when target center temperature was greater than the wet bulb temperature. This effect was less in air-dried lumber than in green lumber.

Keywords: Lumber--Diseases and pests--Control, Lumber--Drying, Lumber--Heat treatment

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Simpson, William T. Effect of wet bulb depression on heat sterilization time of slash pine lumber. (Research paper FPL-RP ; 604):6 p. : ill. ; 28 cm.

 


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