... ecological environment, threatening the survival of mankind, in which, waste cotton, sawdust, rice husk are difficult to degraded. Currently, biomass ... straw, rice straw, corn stalks, corn cobs, peanut shells, cotton stalks and etc. of the crop, as well as branches ... and oil).6.Environment protection: no harmful gases, waste water and waste residues emissions.7. small footprint machine, with the ...