Open system sulfurous acid generator
US6080368A · kind A · utility
11Cited by
2References
1Claims
0Family size
Inventor
Key dates
| Filing date | Aug 7, 1998 |
| Grant date | Jun 27, 2000 |
| Priority date | — |
| Expiry date | Aug 7, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B17/48
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention presents a sulphurous acid generator which employs a combination of novel blending contact and mixing mechanisms which maximize the efficiency and duration of contact between sulphur dioxide gas and water to form sulphurous acid in an open nonpressurized system, without employing a countercurrent absorption tower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.