Fig. 6From: Tagasaste, leucaena and paulownia: three industrial crops for energy and hemicelluloses productionTGA and DTG curves for paulownia trihybrid combustion at a variable heating rate (5, 10, 15 or 20 ºC min−1). Raw material (a) and solid residue from hydrolysis with 2% H2SO4 at 170 °C for 60 min (b), 1.25% H2SO4 at 150 °C for 45 min (c) and 0.5% H2SO4 at 130 °C for 30 min (d)Back to article page