Coal Chemical Industry

　　Coal chemical industry was dated back to the eighteenth century, formed a system in nineteenth century and become one important part of the chemical industry in the twentieth century. Coal chemistry is an industrial process that takes coal as raw materials and transforms it into gas, liquid or solid and further processes it into a series of chemical products, including gasifying, liquefying, coking and tar chemical industry, synthesis of various fuel oils and coal clean utilization technology of chemical products, it is the foundation of chemical industry and one of pillar industries in China. Our country has abundant coal resources, the energy consumption gives priority to coal, and its consumption proportion is about 70%. The huge industrial scale has increasing demand on new energy-saving materials, and the stainless steel composite boards are extensively applied in the coal chemical industry with excellent performance.