Process for separating p-benzoquinone from the reaction products

Details Process for separating p-benzoquinone from the reaction products Process for separating p-benzoquinone from the reaction products

1979-01-22

1980-11-25

Garner, Vivian

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

568772, C07C 4610, C07C 5004

Patent

active

042357900

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.

REFERENCES:
patent: 1987148 (1935-01-01), Kleimenhagen
patent: 2281327 (1942-04-01), Schumacher et al.

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