Method for increasing oxidation reactor production capacity

Details Method for increasing oxidation reactor production capacity Method for increasing oxidation reactor production capacity

2006-06-13

2006-06-13

Tsang, Cecilia J. (Department: 1625)

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

Organic compounds

Carboxylic acids and salts thereof

C562S414000, C562S413000, C562S416000, C562S077000

Reexamination Certificate

active

07060853

ABSTRACT:
The present invention relates to a method for increasing the production capacity of a conventional oxidation reactor for catalytic liquid phase oxidation of paraxylene by staging the oxidation reaction into a first high pressure and high solvent ratio reaction zone followed by the conventional reactor.

REFERENCES:
patent: 3686293 (1972-08-01), Gualdi et al.
patent: 4269805 (1981-05-01), Schoengen et al.
patent: 4593122 (1986-06-01), Hashizume et al.
patent: 5004830 (1991-04-01), Park et al.
patent: WO 99/31038 (1999-06-01), None
patent: WO 99/59953 (1999-11-01), None

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