Process for the preparation of an alkali-metal benzoate besides

Details Process for the preparation of an alkali-metal benzoate besides Process for the preparation of an alkali-metal benzoate besides

1979-05-17

1980-10-07

Siegel, Alan

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

Organic compounds

Carboxylic acids and salts thereof

568810, C07C 5142, C07C 2900

Patent

active

042270170

ABSTRACT:
An alkali-metal benzoate is prepared besides benzyl alcohol from a contaminated benzyl benzoate reaction residue obtained in the oxidation of a monoalkyl-benzene compound with a gas containing molecular oxygen. The disclosed process provides for distillation of the contaminated benzyl benzoate in the presence of a basic substance and the resulting distillate is hydrolyzed using an alkali-metal base.
In this way, the benzyl benzoate that previously could not be separated from certain tar components by distillation is converted into a pure alkali metal benzoate such as sodium benzoate, besides pure benzyl alcohol, so that a waste product that was previously useless is converted into useful substances.

REFERENCES:
patent: 2568095 (1951-09-01), Smith et al.
patent: 3078303 (1963-02-01), Sweeney

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