B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 31/24 (2006.01) B01J 31/12 (2006.01) C10G 45/46 (2006.01)
Patent
CA 2129297
Abstract of the Disclosure A novel catalyst has been provided for the selective hydrogenation of benzene in gasoline. The catalyst mixture comprises a water-soluble, organo-metallic, selective benzene hydrogenation catalyst comprising catalytically- active mixture of (A) M[L]x[X]y wherein M is Cr, Fe, Co, Ni, Mo, Ru, Rh, Pd, Ta, W, Re, Os, Ir, Pt, La or Ce; L is an aromatic hydrocarbon, e.g., benzene, diphenyl, etc., or a diaromatic hydrocarbon, e.g., naphthalene; X is a halogen; x is an integer from 1 to 10 inclusive; and y is an integer from 1 to 10 inclusive; and (B) tris(triphenylphosphine)- rhodium(I)halide or tris(triphenylphosphine)ruthenium- (I)halide. In use, the process comprises admixing the gasoline with water. The above-identified water-soluble, organo-metallic selective benzene hydrogenation catalyst mixture is then added. A catalytic hydrogenation is then carried out in a hydrogenation zone at a temperature of 150° to 245°C at a pressure of up to 1000 psi in a biphasic system of the water and the gasoline. The benzene is selectively solubilized in the water and thus is selec- tively hydrogenated in the presence of the above-identified water-soluble organo-metallic catalyst mixture. The gasoline is then recovered from the hydrogenation zone. This combination of both catalysts was found to produce conversions in excess of 40% which was much greater than either of the catalysts separately and at the lowest effec- tive temperature of 150°C.
Castellanos Esteban C.
Fairbridge Craig W.
Farnand Brian A.
Gill Udai S.
Castellanos Esteban C.
Fairbridge Craig W.
Farnand Brian A.
Gill Udai S.
Her Majesty In Right Of Canada As Represented By The Minister Of
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