Method for separating an esterification catalyst
A method for removing esterification catalyst from crude plasticizer ester based on dicarboxylic acid and 8-13C alcohols, by treatment with aqueous alkali at 10-100 degrees C followed by separation of the hydrolyzed catalyst-containing aqueous phase under gravity, in which the crude ester is treated...
Gespeichert in:
| Hauptverfasser: | , , , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | A method for removing esterification catalyst from crude plasticizer ester based on dicarboxylic acid and 8-13C alcohols, by treatment with aqueous alkali at 10-100 degrees C followed by separation of the hydrolyzed catalyst-containing aqueous phase under gravity, in which the crude ester is treated before or during phase separation with salts(s) of di- or multi-valent metal(s). |
|---|