Continuous process and apparatus for purifying SO2-containing gases
US10376834B2 · kind B2 · utility
0Cited by
4References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2016 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | Mar 29, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/129
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a continuous process for purifying a gas containing 60-99 percent SO2 (sulfur dioxide) by volume and 1 to 40 percent steam by volume, followed by synthesis of SO3 (sulfur trioxide) without first drying the gas, and to an apparatus for carrying out said method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.