Engineering Science and Technology Create a Better Future

After two decades’endeavor,the Research Institute of Petroleum Processing has successfully developed a green caprolactam（CPL）production technology.The world’s first industrial plant based on this green CPL production technology has been built and possesses a capacity of 200 kt·a;.Compared with existing technologies,the plant investment and production costs are pronouncedly reduced by 70%and 50%,respectively.In 2015,the capacity of this technology reached 3×10;t·a;,making China the world’s largest CPL producer,with a global market share exceeding 50%.