C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 6/04 (2006.01) B01J 21/08 (2006.01) B01J 23/30 (2006.01) C07C 11/06 (2006.01)
Patent
CA 2586432
A process for producing propylene from a C4 feed containing 2-butene includes contacting said feed with ethylene in a metathesis reaction zone containing a metathesis catalyst under metathesis reaction conditions to provide an effluent including propylene, said metathesis catalyst consisting essentially of a transition metal or oxide thereof supported on a high purity silica support possessing less than about 150 ppm magnesium, less than about 900 ppm calcium, less than about 900 ppm sodium, less than about 200 ppm aluminum, and less than about 40 ppm iron.
L'invention concerne un procédé destiné à produire du propylène à partir d'une charge de C4 contenant du 2-butène, et consistant à mettre cette charge en contact avec de l'éthylène dans une zone de métathèse contenant un catalyseur de métathèse dans des conditions de métathèse en vue de l'obtention d'un effluent contenant du propylène, ledit catalyseur de métathèse étant essentiellement constitué d'un métal de transition ou d'un oxyde de ce métal supporté sur un support de silice de haute pureté renfermant moins d'environ 150 ppm de magnésium, moins d'environ 900 ppm de calcium, moins d'environ 900 ppm de sodium, moins d'environ 200 ppm d'aluminium et moins d'environ 40 ppm de fer.
Gartside Robert J.
Greene Marvin I.
Abb Lummus Global Inc.
Mcfadden Fincham
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