Method for removing a cyanide contaminant from refinery waste water streams
US5415785A · kind A · utility
5Cited by
11References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1993 |
| Grant date | May 16, 1995 |
| Priority date | — |
| Expiry date | Oct 18, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/904
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for reducing cyanide contaminants in refinery waste waters prior to reuse or release into the environment comprising adding to the waters a cyanide reactive scavenger comprising at least one amine-aldehyde reaction product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.