Phenol from coal and biomass

Details Phenol from coal and biomass Phenol from coal and biomass

1985-05-21

1986-08-12

Lone, Werren B.

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

Organic compounds

Oxygen containing

568783, 568805, C07C 3768

Patent

active

046057900

ABSTRACT:
Phenol is prepared from mixed phenols derived from coal or biomass by separation of the mixed phenols, isomerization of m- and/or p-cresols to o-cresol, demethylation of o-cresol, dealkylation of xylenols and other alkyl phenols, recycling of products other than phenol, and, optionally, reducing phenol to cyclohexanone/cyclohexanol, followed by oxidation thereof to adipic acid.

REFERENCES:
patent: 3284513 (1966-11-01), Dedinas
patent: 3284514 (1966-11-01), Dedinas
patent: 3700745 (1972-10-01), Kovach et al.
patent: 3963602 (1976-06-01), Wright
patent: 4189613 (1980-02-01), Bjoroson
patent: 4191844 (1980-03-01), Bjoroson
patent: 4230895 (1980-10-01), Daly
patent: 4230896 (1980-10-01), Daly
patent: 4283571 (1981-08-01), Kim et al.
patent: 4465892 (1984-08-01), Jacobs et al.
patent: 4503269 (1985-03-01), Engel et al.

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