Patent ID: 8389783
Filing Date: 2013-03-05
Classification: B01J,C07C,C10G,Y02P

Abstract:
1. In a process comprising catalytically hydrogenating an aromatic feedstock, the improvement wherein the catalyst comprises a suspension of metal nanoparticles of a mean size of between 1 and 20 nanometers, and at least one non-aqueous ionic liquid that is selected from among butyl-1-methyl-3-imidazolium hexafluorophosphate [BMI][PF6], butyl-1-methyl-3-imidazolium tetrafluoroborate [BMI][BF4], and butyl-1-methyl-3-imidazolium bis-trifluoromethylsulfonyl amide [BMI][NTf2], in which said metal nanoparticles comprise at least one transition metal in the zero-valence state, wherein the transition metal is selected from among rhodium and ruthenium, taken by themselves or in a mixture, and in which said metal nanoparticles are in contact with a nitrogen-containing ligand that is selected from among 2-2′ bipyridine, pyridine and 2,4,6-tris-(2-pyridyl)-s-triazine (TPST).