Management of the wood and additives wastes in the wood processing industries: Problematics and technical answers review

IRG/WP 96-50073

S Mouras, G Labat, G Deroubaix

Management pathways for pure wood subproducts are well known and used; but as soon as additives like preservatives, glues, varnishes or coatings are present within the wood wastes, their disposal or valorization becomes more tricky. The different kinds of mixed wood wastes of the wood processing industries, from the sawmill to the furniture manufacture, are identified herewith and their diversity is examined. These wastes can be classified according to their danger characteristics, taking into account the type of additives, their concentration, their availability for the environment, the physical state of the waste. Different disposal pathways are then considered. Combustion, with the possibility of energetic valorization seems the best answer for a major part of these wastes. But this is only possible if good combustion conditions are defined, so that no harmful products are emitted. Moreover, these conditions must be affordable on the technical and economical point of view. Then, some wastes cannot be burned in such a simple way, and need a larger approach, which is presented in this document.


Keywords: WASTE MANAGEMENT; WOOD WASTE; INDUSTRY; PRESERVATIVES; GLUES; VARNISHES; COATING; WASTE CLASSIFICATION; DISPOSAL; COMBUSTION

Conference: 96-05-19/24 Guadeloupe, France


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