... Biofuels can replace wood, coal, liquefied natural gas, are widely used for life heating furnace stove, hot water ... wheat stalk, cotton stalk, rice straw, rice husk, peanut shell, corncob, bark, leaves, industry waste. After ... can be used as fertilizerApplication area of charcoal: (the market of straw charcoal)can replace firewood, raw ... value):3500-5500 kilocalorie Briquette Machine for Straw Fuel