“…However, Fischer–Tropsch technology plays a significant and critical role in the production of coal‐based chemicals, which can product a series of alkane and olefin compounds, with some oxygenated compounds as by‐products, such as alcohols, aldehydes, ketones, and acids 2,3 . As one of the high value‐added products, Fischer–Tropsch wax has a wide range of applications, which can be used as a raw material for the production of ceramics, food, rubber, asphalt binder, textiles, tobacco, paint, plastics, and so forth 4–7 . As well known, Fischer–Tropsch wax is a methylene polymer, which belongs to mixture of hydrocarbons.…”