Co-cracking of BPA and phenol process tars

Details Co-cracking of BPA and phenol process tars Co-cracking of BPA and phenol process tars

1995-03-09

1996-04-02

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568724, 568727, 568749, C07C 3768

Patent

active

055042511

ABSTRACT:
This invention relates to processing of a mixture of tars produced in phenol manufacture and in bisphenol manufacture. The heating of a bottom liquid from a bisphenol-A process together with phenol tar from in a cumene-to-phenol process in a distillation column-type thermal cracking reactor at 290.degree.-360.degree. C. at a mass ratio of 1:(1-10) is employed. The process is carried out by feed entering into the middle of the column and valuable products removed as overhead.

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