... Biogases, Caster Shells/Stalk, Coffee Husk, Paddy Straw, Sunflower Stalk, Cotton Stalks, Tobacco waste , Jute waste, Bamboo Dust, Tea waste, Wheat ... diameter of briquette is: 28-30mm b. the shape of stick briquette is cylinder bar c. high purity ,no stone or ... or pollution d. calorific value with 3500-5000 KCAL/kg Cotton / Corn Waste Recycling Machine