Recovery of phosphorus values and salt impurities from aqueous waste streams
US8669396B2 · kind B2 · utility
2Cited by
28References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 2010 |
| Grant date | Mar 11, 2014 |
| Priority date | — |
| Expiry date | Aug 29, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/52
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The present invention generally relates to processes for recovery of phosphorus values and salt impurities from aqueous waste streams. In particular, the present invention relates to processes for recovery of phosphorus values and salt impurities from aqueous waste streams generated in the manufacture of phospho-herbicides, including N-(phosphonomethyl)glycine and glufosinate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.