Terephthalic acid production using evaporative cooling

Details Terephthalic acid production using evaporative cooling Terephthalic acid production using evaporative cooling

1994-05-11

1996-06-04

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

422225, C07C 5116

Patent

active

055234747

ABSTRACT:
The oxidation of p-xylene to produce terephthalic acid is carried out using pure or nearly pure oxygen and evaporative cooling. By-product and waste generation are reduced, oxygen utilization is enhanced, desirable operating conditions are employed, and the need for direct contact heat exchange surfaces in the reactor vessel is obviated.

REFERENCES:
patent: 4243636 (1981-01-01), Shiraki
patent: 4370496 (1983-01-01), Shigeyasu
patent: 4827025 (1989-05-01), Shiraki
patent: 4855492 (1989-08-01), Hundley
patent: 4900480 (1990-02-01), Litz et al.
patent: 5004830 (1991-04-01), Park
patent: 5371283 (1994-12-01), Kingsley

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