Abstract
Currently, there are about 1.79 million hectares of Pinus and 65 000 of Tectona grandis (Teca) planted in Brazil. As in trees processing to obtain sawn timber, only 40 to 50% (by volume) are recovered, the amount of waste generated is significant. Though it can be biologically degraded, its concentration in certain places, its deposition or burning can cause negative environmental impacts…