... . It is the best way to choose the biomass resources. For fuel oil, gas, electricity boiler industry, biomass energy application is ... , cotton straw, rank grass……) forests(wood, bark, tree root, tree leaves, wood shavings, bamboo powder, sawdust……) ect, waste as fuel. harmful ... gas produced, green and environmental, the raw material size for biomass burner is below 3mm, of course, it also can ...