Passivation of metals which contaminate cracking catalysts with antimony tris (hydrocarbyl sulfonate)
US4198317A · kind A · utility
12Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1978 |
| Grant date | Apr 15, 1980 |
| Priority date | — |
| Expiry date | Jul 25, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/521
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hydrocarbon cracking catalyst the effectiveness of which is impaired by deposition thereon of a metal contaminant, e.g., vanadium, iron and/or nickel, is treated with an antimony tris (hydrocarbyl sulfonate) to passivate the contaminant metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.