Processes for removing polysulfanes and elemental sulfur from hydrogen sulfide
US10773958B2 · kind B2 · utility
0Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2014 |
| Grant date | Sep 15, 2020 |
| Priority date | — |
| Expiry date | Mar 23, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2257/308
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed are processes for purifying feed streams containing hydrogen sulfide and sulfur-containing impurities by removing sulfur-containing impurities, such as elemental sulfur and polysulfanes, using solid catalytic sorbents. Also disclosed are processes for producing hydrogen sulfide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.