... , such as sawdust, wood chips, branches, crop stalks, sugarcane residue, coffee husk, paddy straw, sunflower stalk, cotton stalks, bamboo dust, palm ... under high pressure and high temperature. The machine uses a large screw to grind, compress and extrude the biomass into briquettes ... the need of pollution free environment, the product has a large scope of marketing. The briquettes can be used as a ...