Removal of guaiacol from cresylic acid by heating with a strong

Details Removal of guaiacol from cresylic acid by heating with a strong Removal of guaiacol from cresylic acid by heating with a strong

1993-04-05

1993-10-19

Lone, Werren B.

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

Organic compounds

Oxygen containing

568748, 568750, C07C 3768, C07C 3770

Patent

active

052547507

ABSTRACT:
A process is described for the removal of guaiacol and substituted guaiacols from naturally occurring cresylic acid feed by heating the feed with a strong base, particularly sodium hydroxide, to produce a purified cresylic acid product essentially free of guaiacol and other methoxy aromatic compounds without significant loss of cresylic acid product.

REFERENCES:
patent: 4381413 (1983-04-01), Dodd
patent: 4473713 (1984-09-01), Ratton
patent: 5146010 (1992-09-01), Brient et al.
patent: 5171895 (1992-12-01), Brient
patent: 5177269 (1993-01-01), Waters et al.
Lawson et al "Influence of Water on Guaiacol Pyrolysis", Ind. Eng. Chem Fundam. vol. 24: pp. 203-208 1985.

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