Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purage system
Disclosed is an optimized system for more efficiently and economically producing terephthalic acid. A solvent purification system is employed to remove of at least one aromatic impurity present in a solvent purification feed. At least about 20 weight percent of the solvent purification feed originat...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
01.11.2007
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Subjects | |
Online Access | Get full text |
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Summary: | Disclosed is an optimized system for more efficiently and economically producing terephthalic acid. A solvent purification system is employed to remove of at least one aromatic impurity present in a solvent purification feed. At least about 20 weight percent of the solvent purification feed originates from a cooled, post-digestion, TPA-containing slurry. |
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Bibliography: | Application Number: TW200796106607 |