Sulphurous acid generator with air injector
US7182919B2 · kind B2 · utility
4Cited by
22References
5Claims
0Family size
Inventor
Key dates
| Filing date | Dec 30, 2002 |
| Grant date | Feb 27, 2007 |
| Priority date | — |
| Expiry date | Dec 30, 2022 |
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.