is a fuel derived from coffee filtration grounds and bark. Biopellets are a type of solid fuel based on biomass waste with a size smaller than the size of briquettes. The process used is a press with high temperature and pressure, so that it is effective Product quality: Humidity: 16.4 % (ar) Ash content: 3.8 % (adb) Volatiles: 75.9 (adb) Fixed Carbon: 15.5 % (adb) Sulfur: 0.15 % ( adb) Gross Calorific Value: 5,155 Kcal/kg (adb), 4,527 Kcal/kg (ar). Product dimensions: Diameter: 6-8 MM, Length 10-15 MM