Methods for managing sulfide in wastewater systems
US9399590B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 28, 2015 |
| Grant date | Jul 26, 2016 |
| Priority date | — |
| Expiry date | May 28, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Certain exemplary embodiments can provide a system, machine, device, manufacture, circuit, composition, and/or user interface adapted for and/or resulting from, and/or a method and/or machine-readable medium comprising machine-implementable instructions for, activities that can comprise and/or relate to, in a treatment zone, reacting an oxygen-comprising gas, one or more selected ferric/ferrous chelates, one or more selected nitrates and/or nitrites, and/or anaerobic wastewater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.