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Title:
PREPARATION OF TEREPHTHALIC ACID
Document Type and Number:
Japanese Patent JPS5359639
Kind Code:
A
Abstract:

PURPOSE: To prepare terephtalic acid of high quality by the continuous oxidation of p-tolualdehyde with O2 in acetic acid in the presence of a Co compound as a catalyst under specific residence time, oxygen partial pressure and reaction temperature with stirring.


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Inventors:
TORIGATA HAJIME
MORIMOTO HIROSHI
NAKAOKA KENJI
Application Number:
JP13326376A
Publication Date:
May 29, 1978
Filing Date:
November 08, 1976
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
C07C63/26; B01J31/00; B01J31/04; C07B61/00; C07C51/00; C07C67/00; (IPC1-7): B01J31/04; C07C51/26; C07C63/26



 
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