Thermal hydrodealkylation of alkyl phenols

Details Thermal hydrodealkylation of alkyl phenols Thermal hydrodealkylation of alkyl phenols

1978-11-30

1980-10-28

Lone, Werren B.

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

Organic compounds

Oxygen containing

568806, C07C 3750

Patent

active

042308950

ABSTRACT:
The present invention provides a process, for the thermal dealkylation of alkylated phenols, which process comprises reacting a feed solution containing alkylated phenols and gaseous hydrogen in the presence of water vapor, the reaction being carried out at total pressure of 400 to 800 psig, temperature ranging from about 1000 .degree. to about 1500.degree. F., and the weight percent water vapor in the reaction being from about 10 to about 40 Wt % of the alkylated phenol feedstock.

REFERENCES:
patent: 2003941 (1935-06-01), Kahl
patent: 2366497 (1945-01-01), Dawson
patent: 2786873 (1957-03-01), Ohsol et al.
patent: 3284513 (1966-11-01), Dedinas et al.
Well's et al., "I & EC Process Design and Development, " Vol. 1, No. 1, Jan. 1962 Thermal Dealkylation-Hydrocracking of Alkylphenols. _

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