Supression of autoignition in maleic anhydride production
US5734066A · kind A · utility
1Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1992 |
| Grant date | Mar 31, 1998 |
| Priority date | — |
| Expiry date | Feb 13, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/215
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved process for the manufacture of maleic anhydride by catalytic oxidation of n-butane in which the feed flow channel to the catalytic reactor contains an autoignition suppression agent containing acid sites or trivalent phosphorus as an ignition inhibiting component. The autoignition suppression agent may also be used in other gas/liquid containment envelopes for flammable mixtures of hydrocarbons and oxygen. A novel apparatus and method are disclosed for assessing the influence of system conditions on autoignition of hydrocarbon/oxygen mixtures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.