• 专利标题:   Modified aluminum oxide carrier useful in hydrorefining catalyst for liquid phase hydrogenation of oil products, comprises molecular sieve, graphene and aluminum oxide, where carrier has specified surface area and average pore size.
  • 专利号:   CN111068750-A
  • 发明人:   LIU L, GUO R, SUN J, YANG T, YAO Y
  • 专利权人:   CHINA PETROLEUM CHEM CORP, SINOPEC DALIAN PETROLEUM PETROCHEMICAL
  • 国际专利分类:   B01J029/03, B01J029/40, B01J029/48, B01J029/70, B01J029/78, B01J032/00, B01J035/10, C10G045/12
  • 专利详细信息:   CN111068750-A 28 Apr 2020 B01J-029/40 202044 Pages: 13 Chinese
  • 申请详细信息:   CN111068750-A CN11226380 22 Oct 2018
  • 优先权号:   CN11226380

▎ 摘  要

NOVELTY - A modified aluminum oxide carrier comprises 2-20 wt.% molecular sieve, 2-20 wt.% graphene and 60-96 wt.% aluminum oxide. The carrier has a specific surface area of 300-400 m2/g, a pore volume of 0.5-0.8 cm3/g, an average pore size of 7-9 nm, and a crushing strength of 100-200 N/cm. USE - The modified aluminum oxide carrier is useful in a hydrorefining catalyst for liquid phase hydrogenation of oil products (all claimed). ADVANTAGE - The modified aluminum oxide carrier has excellent adsorption capacity of hydrogen molecules and hydrogen overflow property. The hydrorefining catalyst has excellent hydrogenation activity. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a method for preparing the modified aluminum oxide carrier, which involves (1) mixing a slurry of pseudoboehmite precursor, a mesoporous molecular sieve, graphene and an organic alcohol to obtain a slurry (A), (2) adding a silane coupling agent to the slurry (A) obtained in step (1), uniformly mixing, and then adjusting the pH of the slurry to 7.5-11 to obtain a slurry (B), and (3) aging the slurry (B) obtained in step (2) under a certain pressure, after aging, filtering the material to remove a preset amount of water, adding an organic amine and the silane coupling agent to knead the plastic component, molding, drying and baking; and (2) a hydrorefining catalyst, which comprises the modified aluminum oxide carrier, and hydrogenation active components consisting of a Group VIB metal and a Group VIII metal based on the total weight of the catalyst, where the Group VIB metal is 2-30% of the total weight of the catalyst in terms of oxides, and the group VIII metal is 0.1-10% of the total weight of the catalyst.