Abstract: Reformate contains a small amount of olefins, which can exert varying degrees of impacts on the equipment, adsorbents, catalysts, and other components of downstream units. Therefore, efficiently removing olefins from reformate has become an important research direction. The application of an environmentally friendly liquid-phase hydrotreating for olefin removal (HER) technology in reformate is introduced. The HER process offers significant advantages in multiple aspects, such as enabling light alkanes to be used as high-quality feedstocks for ethylene production; improving the quality of products like BTX,heavy aromatics,foaming agents,and solvent oils; enhancing environmental friendliness; and reducing equipment corrosion. This technology brings considerable social and economic benefits to petrochemical enterprises. Compared with traditional olefin removal processes such as industrial granulated clay, molecular sieve refining, and non-precious metal technologies, the HER process demonstrates outstanding performance in intrinsic safety, energy efficiency, environmental protection, and product quality enhancement, indicating promising development prospects.

Key words: reforming, olefin elimination, light aromatics, HER process