Ozone sensor and method for use of same in water purification system
US6280633A · kind A · utility
46Cited by
17References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1999 |
| Grant date | Aug 28, 2001 |
| Priority date | — |
| Expiry date | Dec 1, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2209/235
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A liquid purification apparatus which uses ozone to purify water is disclosed. Off-gas from the purification process is passed through an ozone detector that provides an electric signal corresponding to the ozone concentration in the off-gas. The electric signal is monitored and used to control the length of the ozonation process. The detector comprises a MgO.sub.2 and CuO based ozone destroying catalyst which generates an electric potential when used to decompose ozone into oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.