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公开(公告)号:CA2143043A1
公开(公告)日:1995-12-03
申请号:CA2143043
申请日:1995-02-21
Applicant: STANDARD OIL CO OHIO
Inventor: BENKALOWYCZ NANCY C , PAPARIZOS CHRISTOS , BLUM PATRICIA R , PEPERA MARC A , CIRJAK LARRY M , WAGNER DAVID R , LEMANSKI MICHAEL F
IPC: B01J23/58 , B01J8/24 , B01J8/32 , B01J8/38 , B01J19/00 , C07B61/00 , C07C67/05 , C07C67/055 , C07C67/313 , C07C69/15
Abstract: A fluid bed process for the manufacture of vinyl acetate from ethylene, acetic acid and oxygen comprising feeding ethylene and acetic acid into a fluid bed reactor through one or more inlets, introducing the oxygen into the reactor through at least one further inlet, co-joining the oxygen, ethylene and acetic acid in the reactor in contact with a fluid bed catalyst to produce vinyl acetate. The particle size diameter of the particulate catalyst material preferably has a range of 60% of the particles being below 200 microns (0.2 mm) with no more than 40% of the particles being below 40 microns (0.04 mm).
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公开(公告)号:CA2143042A1
公开(公告)日:1995-08-23
申请号:CA2143042
申请日:1995-02-21
Applicant: STANDARD OIL CO OHIO
Inventor: BLUM PATRICIA R , PAPARIZOS CHRISTOS , CIRJAK LARRY M , PEPERA MARC A , LEMANSKI MICHAEL F , SURESH DEVASIRVATHAM D
IPC: B01J21/08 , B01J23/44 , B01J23/52 , B01J23/56 , B01J23/58 , B01J23/60 , B01J23/62 , B01J23/63 , B01J23/644 , B01J23/648 , B01J23/66 , B01J23/68 , B01J32/00 , B01J35/10 , B01J37/00 , B01J37/02 , B01J37/04 , C07B61/00 , C07C67/04 , C07C67/055 , C07C69/15
Abstract: A process for the preparation of a fluid bed vinyl acetate (VAM) catalyst comprising impregnating a support comprising a mixture of substantially inert microspheroidal particles with a solution comprising a halide-free metal salt of Pd and M, wherein M comprises Ba, Au, La, Nb, Ce, Zn, Pb, Ca, Sr, Sb or mixtures thereof, reducing the metal salts to form a deposit of Pd and M on the support surface and impregnating the support with at least one halide-free alkali metal salt. At least 50% of the particles used for the microspheroidal support have a particle size below 100 microns, preferably below 60 microns.
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