Catalytic removal of hydrogen sulphide from liquid sulphur
US4897251A · kind A · utility
12Cited by
9References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1988 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | Mar 9, 2008 |
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.