... cotton stalks, rape stalks, peanut plants, sunflower stalks, bamboo sawdust, bagasse , wood chips, rice husk, coffee husk, coir pith, jute ... sticks, groundnut shells, Bamboo, wood, straw dust, Mustard stalk and cotton stalks ,nutshell, coconut ... The natural lignin content in biomass is liberated with wood fiber under high pressure and temperature.In the briquetting ...