In the traditional old coal-fired boiler technology limited, in the production process of waste residue, waste gas, waste water waste and taste, is energy polluters and governance difficulties.

Large amount of poisonous gas, coal and waste rocks badly influence the safe product for coal mine, and also cause the economic loss to our country.

Compared with fossil diesel, biodiesel from waste cooking oil, DME from natural gas or coal, and F-T diesel from natural gas have economic competition.