Dimethyl terephthalate prepared by the esterification of terepht

Details Dimethyl terephthalate prepared by the esterification of terepht Dimethyl terephthalate prepared by the esterification of terepht

1973-05-18

1976-02-24

Weinberger, Lorraine A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

23279, 23288K, 23288E, C07C 6982

Patent

active

039404315

ABSTRACT:
Dimethyl terephthalate is prepared by the continuous esterification of terephthalic acid in the gas phase by evaporating solid terephthalic acid in a pre-reactor by means of a hot methanol vapor stream, conducting the gas mixture through a solid bed catalyst in a follow-up reactor, and recirculating a portion of the reaction product to the pre-reactor.

REFERENCES:
patent: 3227743 (1966-01-01), Shaw et al.
patent: 3364251 (1968-01-01), Benning et al.
patent: 3377376 (1968-04-01), Gainer et al.
patent: 3617226 (1971-11-01), List et al.
patent: 3676485 (1972-07-01), Lewis et al.

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