Removal of hydrogen selenide liquids
US4792405A · kind A · utility
5Cited by
11References
43Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 1987 |
| Grant date | Dec 20, 1988 |
| Priority date | — |
| Expiry date | May 8, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/912
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Hydrogen selenide is removed from a liquid stream by treatment with a disulfide or polysulfide to oxidize it to elemental selenium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.