Compositions and methods for treating wastewater
US9845258B1 · kind B1 · utility
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14References
22Claims
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Key dates
| Filing date | Sep 13, 2013 |
| Grant date | Dec 19, 2017 |
| Priority date | — |
| Expiry date | Sep 13, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Compositions and methods and systems for treating wastewater within a wastewater treatment system of described. In an embodiment, a method for treating wastewater may include adding a magnesium compound to wastewater within a wastewater treatment system. The method may also include adding an effective amount of a dispersing agent and one or more of a free magnesium control agent and a seed material to wastewater within the wastewater treatment system to control the formation of struvite scale within the wastewater treatment system. Other compositions and methods are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.