... , broomcorn stalks, cotton stalks, rape stalks, peanut plants, sunflower stalks, bamboo saw dust, bagasse agro-forestry wastes, such as sawdust, wood ... 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 ...