Process for the preparation of ammonia synthesis catalyst and catalyst prepared by the process
US3992328A · kind A · utility
6Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1975 |
| Grant date | Nov 16, 1976 |
| Priority date | — |
| Expiry date | Oct 10, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a process for the preparation of an ammonia synthesis catalyst based on fused and reduced iron oxide, with or without traces of a promoter oxide of aluminum, calcium, potassium, magnesium or silicon, in which the fused and reduced iron oxide is aftertreated with an aqueous solution of a cerium salt or with an aqueous solution of a mischmetal salt, including a cerium salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.