Open system sulphurous acid generator
US7141220B2 · kind B2 · utility
4Cited by
25References
5Claims
0Family size
Inventor
Key dates
| Filing date | Jan 14, 2003 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Oct 24, 2023 |
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. The present invention also incorporates a novel high temperature concrete for use in constructing portions of the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.