Apparatus for removing sulfur from organic polysulfides
US4855113A · kind A · utility
5Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 27, 1986 |
| Grant date | Aug 8, 1989 |
| Priority date | — |
| Expiry date | Oct 27, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C319/28
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Sulfur-laden liquid organic phase dimethyl polysulfide (DMPS) is caused to rise from a sour gas well by reaction of the gaseous sulfur component within the well with a sulfur solvent, typically dimethyl disulfide (DMDS). The DMPS is contacted by an extraction or stripping liquid in a vertical column continuous multistage countercurrent flow extractor especially designed to promote high interfacial area contact between the liquids while flowing in opposing directions within the column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.