PRESSURIZED CRUDE AROMATIC CARBOXYLIC ACID FEED MIXES

Processes for manufacturing a purified aromatic carboxylic acid include heating a purification reaction mixture in a pre-heating zone, the purification reaction mixture comprising a crude aromatic carboxylic acid and a solvent, and purifying the crude aromatic carboxylic acid in the purification rea...

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Bibliographische Detailangaben
1. Verfasser: BARTOS, THOMAS M
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:Processes for manufacturing a purified aromatic carboxylic acid include heating a purification reaction mixture in a pre-heating zone, the purification reaction mixture comprising a crude aromatic carboxylic acid and a solvent, and purifying the crude aromatic carboxylic acid in the purification reaction mixture to form a purified aromatic carboxylic acid product. One or more operations are maintained at a pressure above ambient in order to achieve energy savings.