Oxygen-based noncatalytic sulfuric acid process
US5194239A · kind A · utility
11Cited by
4References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1991 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Nov 15, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B17/74
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A noncatalytic process for producing sulfur trioxide and sulfuric acid in which sulfur is combusted with an oxygen-rich gas in the presence of recycled sulfur dioxide-rich gas to form sulfur trioxide which is absorbed in sulfuric acid and yield a sulfur dioxide rich gas which is compressed to form the recycled sulfur dioxide rich gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.