Process for the removal of iron cyanide complex or complexes from an aqueous solution
US4654148A · kind A · utility
6Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 30, 1985 |
| Grant date | Mar 31, 1987 |
| Priority date | — |
| Expiry date | Dec 30, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/904
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A process for removal of iron cyanide complex or complexes from a solution is described, the process being characterized by contact of the solution containing the complex or complexes with ammonium polysulfide or sodium polysulfide, or a mixture thereof, at a temperature of from about 110.degree. C. to about 180.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.