Method for reducing hydrogen sulfide level in water containing sulfate-reducing bacteria and hydrogen sulfide-metabolizing bacteria
US6309597A · kind A · utility
23Cited by
7References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 12, 1999 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Jan 12, 2019 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B41/02
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for reducing the level of hydrogen sulfide in water containing sulfur-reducing bacteria and hydrogen sulfide-metabolizing bacteria by addition of an aqueous solution of metallic nitrogen oxides and small particles of water-insoluble polycyclic quinones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.