C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/510.8
C07C 63/26 (2006.01) C07C 51/265 (2006.01) C07C 51/44 (2006.01)
Patent
CA 1088561
ABSTRACT OF THE DISCLOSURE There is disclosed a process for producing terephthalic acid in which the mother liquor of the terephthalic acid slurry resulting form the oxidation of para-xylene, form which terephthalic acid has been separated is subjected to distil- lation to recover at least a portion of methyl acetate present therein, the recovered methyl acetate being circulated into the reactor.
292697
Hashizume Hiroshi
Izumisawa Yoshiaki
Meredith & Finlayson
Mitsubishi Chemical Industries Limited
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