Pellets are made from pressed wooden saw-dust in cylindrical shape of 30 mm length and 4 mm in diameter. The best pellets are made of broad-leaved wood with law admixture of bark and resin. As a consequence of the low moisture contents (about 6%) the pellets have high caloricity, near to the one of high quality anthracitic coal. The burning of the pellets is with 85% efficiency. |