Catalysts for the preparation of acrolein

Details Catalysts for the preparation of acrolein Catalysts for the preparation of acrolein

1974-01-02

1976-04-20

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252456, 252464, 252467, B01J 2714, B01J 2314

Patent

active

039518612

ABSTRACT:
A catalytic process for the preparation of acrolein by the vapor phase oxidation of propylene which comprises contacting propylene and oxygen with a catalyst composition comprising a catalyst system of the formula:
Mo.sub.a Bi.sub.b Fe.sub.c Ni.sub.d Tl.sub.e P.sub.f X.sub.g Y.sub.h O.sub.i wherein X is one or more of Mg, Mn and Co, Y is one or more of Cu, Ca, Sr, Zn, Cd, Sn and Pb and a, b, c, d, e, f, g, h and i represent respectively the number of atoms, provided that, when a is 12, b is 0.1 to 5, c is 0.1 to 12, d is 0.1 to 12, e is 1 or less but not 0, f is 0 to 5, g is 0 to 12, h is 0.1 to 12 and i is from 36 to 112. By such a process, acrolein is produced in a high selectivity and an excellent yield per each pass even at a large space velocity.

REFERENCES:
patent: 3445521 (1969-05-01), Callahan et al.
patent: 3640900 (1972-02-01), McClellan et al.
patent: 3801678 (1974-04-01), Shiraishi et al.

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