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