Extraction of sulphur-containing compounds in a first pretreatment reactor operating in batch mode followed by a second pretreatment reactor of the piston type
US9708550B2 · kind B2 · utility
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Key dates
| Filing date | Oct 16, 2012 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Mar 10, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G53/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Process of extracting sulphur-containing compounds from a hydrocarbon cut of the gasoline or LPG type by liquid-liquid extraction with a soda solution employing a unit (2) for pretreatment of the feedstock to be treated located upstream of the unit (4) for extraction with soda, said pretreatment unit consisting of a first pretreatment reactor operating in batch mode followed by a second continuous reactor of the piston type operating in piston mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.