Use of alkali metal nitrites to inhibit H.sub.2 S formation in flue gas desulfurization system sludges
US4681687A · kind A · utility
44Cited by
11References
3Claims
0Family size
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Key dates
| Filing date | Oct 20, 1986 |
| Grant date | Jul 21, 1987 |
| Priority date | — |
| Expiry date | Oct 20, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/916
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Alkali metal nitrite controls sulfate-reducing bacteria and odors in flue gas desulfurization scrubber sludges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.