Reduction of hydrogen sulfide in water treatment systems or other systems that collect and transmit bi-phasic fluids
US8172952B2 · kind B2 · utility
30Cited by
133References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2007 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Feb 21, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/02
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for reducing noxious sulfur species including hydrogen sulfide in sewage collection systems including force mains is disclosed, where the method involves administering a an effective amount of a composition including a water soluble sulfur scavenger and an oil soluble sulfur scavenger in the presence of sufficient surfactant to produce a homogeneous product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.