PROCESS FOR SEPARATING DISULPHIDES FROM SPENT SODA RESULTING FROM MEROX INSTALLATION
The invention relates to a process for separating disulphides from spent soda resulting from mercaptan removal unit. According to the invention, the process consists in contacting the disulphide-containing soda solution with gasoline as a solvent, in a solvent : soda ratio of 0.5...3:1, in a static...
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| Format: | Patent |
| Sprache: | eng ; rum |
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| Zusammenfassung: | The invention relates to a process for separating disulphides from spent soda resulting from mercaptan removal unit. According to the invention, the process consists in contacting the disulphide-containing soda solution with gasoline as a solvent, in a solvent : soda ratio of 0.5...3:1, in a static or centrifugal mixer, at a temperature of 30...60°C and 1...6 barg and separating the two phases in a horizontal separator vessel, in two successive stages, the soda solution resulting from the first stage separation being supplied to the second stage in the same operation conditions. |
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