Water treatment using ozone and having a reduced likelihood of bromate formation from bromides found in the water
US6602426B2 · kind B2 · utility
2Cited by
5References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2001 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Dec 29, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/908
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A process and facility for treating and disinfecting water supplies comprising first treating the water with chlorine, then with ammonia, then with ozone to substantially disinfect the water, then passing the water through a filter with microorganisms to reduce the amount of small organic compounds and carbon in the water and finally again treating with chlorine so as to produce a residual level of chlorine in the water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.