Title:
METHOD OF SEPARATING PPBENZOQUINONE FROM REACTANTS OF PHENOL OXIDATION
Document Type and Number:
Japanese Patent JPS54109936
Kind Code:
A
Abstract:
A process for separating p-benzoquinone as quinhydrone from the reaction solution obtained in the oxidation of phenol with oxygen in the presence of copper salts and of nitriles as the solvent, which comprises suspending and/or dissolving solid hydroquinone in this reaction solution, precipitating the p-benzoquinone contained therein as quinhydrone and separating it from the reaction solution.
Inventors:
UERUNERU HAINRITSUHI MIYUURERU
DEIITERU FUROIDENBERUGERU
DEIITERU FUROIDENBERUGERU
Application Number:
JP564079A
Publication Date:
August 29, 1979
Filing Date:
January 23, 1979
Export Citation:
Assignee:
HOECHST AG
International Classes:
C07C50/04; C07C27/00; C07C37/86; C07C39/08; C07C45/00; C07C46/10; C07C67/00; (IPC1-7): C07C45/24; C07C49/64