Process for cleaning wash water
US7108792B2 · kind B2 · utility
9Cited by
9References
5Claims
0Family size
Inventor
Key dates
| Filing date | Jul 30, 2005 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Jul 30, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/912
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Agents are used as cleaning agents and also as agents to purify the water in water treatment plants. The agents are a mixture of phosphates and fatty acid salts. Precipitation agents are used such as, polyvalent metals. The pH is adjusted. Flocking agents can be used to increase the rate of separation. The purified water is removed after precipitation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.