Metal cyanide complex compound disposal
US3990971A · kind A · utility
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3References
1Claims
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Assignee
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Key dates
| Filing date | Sep 30, 1974 |
| Grant date | Nov 9, 1976 |
| Priority date | — |
| Expiry date | Sep 30, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2101/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Foul water streams from refining processes such as fluidized catalytic cracking, containing about 1-100 ppm metal cyanide complex compounds, are contacted with flue gas from combustion of hydrocarbonaceous fuels at temperatures of 750.degree. F and higher for essentially complete decomposition of cyanide radicals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.