Method for treating wastewater and wastewater sludge using a percarboxylic acid
US11535539B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Nov 17, 2017 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Nov 20, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for treating a wastewater or a wastewater sludge includes adding performic acid to the wastewater and/or the waster sludge as an odor controlling agent and/or corrosion controlling agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.