Treatment for virgin phosphorous/vanadium oxidation catalysts
US5348927A · kind A · utility
2Cited by
15References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 1, 1993 |
| Grant date | Sep 20, 1994 |
| Priority date | — |
| Expiry date | Mar 1, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/515
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of removing chloride from phosphorus/vanadium/oxygen mixed oxide oxidation catalysts comprising treating a chloride containing catalyst comprising phosphorus, vanadium and oxygen with a stream of gas comprising oxygen, steam and an inert gas at flow rate and temperature and for a period of time to substantially reduce the amount of chloride in the catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.