Method for removing mercury from waste gas
US7820122B2 · kind B2 · utility
0Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2004 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Feb 24, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for removing Hg (mercury) from waste gases is disclosed, the removing of the mercury (Hg) gas (vapors) is by contacting the waste gas with a scrubbing agent being organic sulfoxides either in pure form or as with an emulsion of water-in-organic sulfoxides. The waste gas can be any waste gas containing mercury gases or mercury vapors, such as combustion flue gas and waste gases generated in various chemical and industrial processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.