Method of removing aluminum-containing catalyst from phenol alky

Details Method of removing aluminum-containing catalyst from phenol alky Method of removing aluminum-containing catalyst from phenol alky

1976-06-14

1980-11-04

Lone, Werren B.

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

Organic compounds

Oxygen containing

568789, 568794, C07C 3770, C07C 3784

Patent

active

042321760

ABSTRACT:
Method of removing aluminum-containing catalyst from phenol alkylation products comprises treating phenol alkylation products with water at a temperature of 165.degree.-250.degree. C., with water being in molar excess to aluminum in a range of 3-20. The resulting residue of meta-aluminate is easily separated by filtration.
The present invention allows eliminating constant control of aluminum content in alkylation products, easily removing the catalyst therefrom and eliminating the loss of phenol alkylation products.

REFERENCES:
patent: 2831898 (1958-04-01), Eckes et al.
patent: 3652685 (1972-03-01), Geddes
patent: 3766276 (1973-10-01), Goddard
patent: 3970708 (1976-07-01), Katsumoto

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