Catalytic process for removal of hydrogen sulfides from liquid sulfur
US5004591A · kind A · utility
8Cited by
10References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1989 |
| Grant date | Apr 2, 1991 |
| Priority date | — |
| Expiry date | Aug 25, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B17/0232
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention is an improved catalytic process for removing H.sub.2 S and sulfanes from liquid sulfur and a catalyst system for carrying out the process. The catalyst comprises a basic component and a surfactant component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.