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Structural & Non-structural Panels

The Use of Supercritical Carbon Dioxide as a Carrier for the Impregnation and Preservation of Wood with Organic BiocidesCompleted
 

Objective:

Develop a viable alternative to the current solvent-based preservative systems used to treat millwork. This research will:

  • Evaluate the supercritical CO2 (ScCO2) preservative treatment process as an environmentally friendly, non-swelling, solvent-free, treatment process for Canadian wood species;
  • Expand the use of wood species such as Alpine fir (Abies lasiocarpa), balsam fir (Abies balsamea), black spruce (Picea mariana), and white spruce (Picea glauca) for residential treated lumber;
  • Facilitate the use of jack pine (Pinus banksiana) and lodgepole pine (Pinus contorta) heartwood as value-added wood products;
  • Eliminate the need for the value-added industry to use volatile organic solvent-based preservatives to treat millwork and window frames;
  • Eliminate the need for pre-treatment processes such as incising for residential treated lumber that degrade the appearance of wood;
  • Enhance the durability of wood using environmentally friendly preservatives and treatment technology.

Start date: 2003-04-09 End date: 2004-03-09
 

Reports:

 

For more information on this project, please contact:

 
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