Supported catalyst for acrolein oxidation
US3939096A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 24, 1974 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Sep 24, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/252
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved catalyst for use in a process for the vapor phase conversion of an unsaturated aldehyde (such as acrolein) to the corresponding unsaturated carboxylic acid (such as acrylic acid) is disclosed. The improved catalyst comprises an unagglomerated, supported catalyst having the empirical formula Mo.sub.a V.sub.b W.sub.c Mn.sub.d O.sub.e, the atomic ratio of Mo:V:W:Mn:O being such that when a is 12, b is 0.5 to 12, c is 0.1 to 6, d is 0.5 to 20 and e is 37 to 94, supported on porous silica particles having a surface area of from about 25 to about 350 m.sup.2 /gm and a porosity of from about 0.2 to about 1.0 cc/gm, whereby essentially all of the catalytic metals is contained on the surfaces of the particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.