Regeneration of alkali metal sulfides from alkali metal hydrosulfides
US4147612A · kind A · utility
14Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1978 |
| Grant date | Apr 3, 1979 |
| Priority date | — |
| Expiry date | Feb 13, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G49/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Alkali metal sulfides are regenerated from alkali metal hydrosulfides which are produced as a result of the hydroconversion of heavy carbonaceous feeds. The regeneration is effected by contacting the alkali metal hydrosulfide with a metal oxide at elevated temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.