Optimized liquid-phase oxidation

Details Optimized liquid-phase oxidation Optimized liquid-phase oxidation

2011-03-22

2011-03-22

Katakam, Sudhakar (Department: 1621)

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

Organic compounds

Carboxylic acids and salts thereof

C562S405000, C562S407000, C562S416000

Reexamination Certificate

active

07910769

ABSTRACT:
Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the product from the oxidation reaction is crude terephthalic acid (CTA), such CTA product can be purified and separated by more economical techniques than could be employed if the CTA were formed by a conventional high-temperature oxidation process.

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