Methods of treating phosphate in a body of water
US6881346B2 · kind B2 · utility
6Cited by
26References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2002 |
| Grant date | Apr 19, 2005 |
| Priority date | — |
| Expiry date | May 26, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/906
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Compositions including alum, a smectite material and optionally one or more of a buffer and an algaecide coating or additives for the clarification of bodies of water by removal of dissolved solids, dissolved organic materials and other anions such as fluoride and chloride as well as the removal of total phosphorus from such bodies of water. The compositions are designed to be delivered to concentrated or impounded phosphorus located at the bottom of various bodies of water and may be produced in various physical forms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.