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Recycling of pressure impregnated timber and preservatives - incineration techniques
2001 - IRG/WP 01-50166-19
The object of the recycling research projects is to determine the technical and economical requirements of the recycling of CCA-impregnated wood. In the first recycling of impregnated timber project the amount and location of recyclable treated wood in Finland was determined and the costs of recycling were calculated. An incineration test was also made (1998). The conclusion of the first project i...
T Syrjänen, E Kangas


Heat treated timber in Finland
2000 - IRG/WP 00-40158
Heat treatment permanently changes the physical and chemical properties of wood by means of high temperatures (150 - 240°C). Heat treatment darkens the colour of the wood. Heat treatment improves the equilibrium moisture content of the wood and the shrinkage and swelling of the wood is reduced. Very high temperatures improve the resistance to rot and also reduce the susceptibility to fungal decay...
T Syrjänen, E Kangas


Recycling of impregnated timber: Part 1: Crushing, combustion plants, amount, costs and logistics
1999 - IRG/WP 99-50131
The object of the recycling research was to determine the technical and economical requirements of recycling of CCA-impregnated wood. The safest and most effective way is to crush impregnated timber in a stationary crushing plant where the reclaiming of dust is managed. The combustion techniques designed to burn solid Finnish combustible matter are applicable to burn crushed impregnated timber. Be...
T Syrjänen