Title:
CONTINUOUS SEPARATION OF ANHYDROUS PHTHALIC ACID FROM CONTACT OXIDATION REACTION GAS OF ORTHOXYLOL AND*OR NAPHTHALENE
Document Type and Number:
Japanese Patent JPS5587782
Kind Code:
A
Abstract:
Phthalic anhydride is continuously separated from the reaction gas mixture formed by the catalytic oxidation of o-xylene and/or naphthalene, by treating said reaction gas mixture with a maleic anhydride absorbent.
Inventors:
GEAHARUTO KOINETSUKE
ANTON KUROTSUPUFUAA
ROTSUTOHARU SHIYUTERUKU
ANTON KUROTSUPUFUAA
ROTSUTOHARU SHIYUTERUKU
Application Number:
JP16675679A
Publication Date:
July 02, 1980
Filing Date:
December 21, 1979
Export Citation:
Assignee:
DAVY INTERNATIONAL AG
International Classes:
C07D307/89; C07C51/42; C07C51/573; (IPC1-7): C07D307/89