Method and apparatus for detecting, measuring, and/or removing chlorine gas contamination in gaseous chlorine dioxide
US6537821B1 · kind B1 · utility
8Cited by
2References
8Claims
0Family size
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Key dates
| Filing date | Jun 8, 2000 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Dec 2, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/19
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Method and apparatus for detecting the presence of or removing chlorine in a gaseous product stream from a chlorine dioxide generator by mixing gaseous ammonia or ammonia vapors with the product stream and either observing smoke generated by the reaction of ammonia with any chlorine present in the chlorine dioxide product stream or separating reaction products from the chlorine dioxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.