Process for recovery of resorcin

Details Process for recovery of resorcin Process for recovery of resorcin

1979-05-22

1981-06-16

Sever, Frank

Distillation: processes, separatory

Vaporization zone under positive pressure or vacuum

Including the addition of water or steam

203 95, 568768, 568810, B01D 334

Patent

active

042736234

ABSTRACT:
In the process for obtaining a concentrate of resorcin by acid-decomposing m-diisopropylbenzene hydroperoxide in an inert solvent in the presence of an acidic solid catalyst and distilling off acetone and the inert solvent from the resulting acid-decomposition reaction mixture, if water is added to this reaction mixture in an amount of 20 to 70% by weight based on resorcin and the reaction mixture is then subjected to distillation, resorcin can be obtained at a high recovery yield.

REFERENCES:
patent: 2784238 (1957-03-01), Jacobs
patent: 2799715 (1957-07-01), Lohr et al.
patent: 3672961 (1972-06-01), Nixon
patent: 3923908 (1975-12-01), Suda et al.

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