Process for regenerating a carbonylation catalyst solution to remove corrosion metals and carbonylation of methanol to acetic acid
US4894477A · kind A · utility
26Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1986 |
| Grant date | Jan 16, 1990 |
| Priority date | — |
| Expiry date | Oct 14, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for treating carbonylation catalyst solutions which contain a rhodium component and a lithium component to remove metallic corrosion products comprises contacting the catalyst solution with a cation exchange resin in the lithium form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.