Possibilities for the use of plantation wood
2008
Knust, C., Technische Universitaet Dresden, Dresden (Germany). Institut fuer Internationale Forst- und Holzwirtschaft | Haller, P. | Krug, D. | Tobisch, S.
In addition to the use of plantation wood for energy, wood from short-rotation plantations can also be used for the production of construction wood and fiberboard. For energy, often wood chips are produced which can be used as fuel in domestic heaters or in combined heat and power plants. Furthermore, wood chips can be processed into second generation fuel (biomass to liquid, cellulasic ethanol). Poplar wood can also be processed into wooden tubes which can be used as supporting construction elements. This process is based on compression followed by deformation while the cell structure remains intact. Such wooden tubes allow an 80% reduction of the material compared to conventional supporting wood elements. Poplar wood can also be used for MDF and HDF production. Tests at the Institut für Holztechnologie Dresden (IHD) have shown that such boards made out of poplar wood meet the DIN EN 622-5 standard with respect to strength and stiffness with very small values for thickness swelling. The formaldehyde emissions from poplar fiber plates are significantly lower compared to similar plates made out of pine wood. Poplar wood from short-rotation plantations fulfills the technical requirements for the processing of construction elements and MDF, which opens a large economic potential.
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