Cyanide removal from wastewaters
US4239620A · kind A · utility
11Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1979 |
| Grant date | Dec 16, 1980 |
| Priority date | — |
| Expiry date | Apr 16, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/904
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Removal of cyanide in wastewater treatment improved by initially contacting a rich cyanide bearing stream with activated sludge at a pH within the range of 3-6 upstream of the wastewater treating plant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.