Reactive filtration
US7445721B2 · kind B2 · utility
10Cited by
53References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 29, 2005 |
| Grant date | Nov 4, 2008 |
| Priority date | — |
| Expiry date | Dec 30, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In one embodiment, a method for treating waste water includes passing ozonized waste water through a bed of moving sand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.