ROUTING OF PURIFIED AROMATIC CARBOXYLIC ACID FILTER RINSE FOR ENERGY OPTIMIZATION

A process for manufacturing a purified aromatic carboxylic acid is provided. The process comprises purifying a crude aromatic carboxylic acid in a purification zone to form a purified aromatic carboxylic acid; crystallizing a purified aromatic carboxylic acid in a crystallization zone to form a soli...

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Main Authors BITSCH-LARSEN, Anders, LIANG, Tian
Format Patent
LanguageEnglish
French
German
Published 10.03.2021
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Abstract A process for manufacturing a purified aromatic carboxylic acid is provided. The process comprises purifying a crude aromatic carboxylic acid in a purification zone to form a purified aromatic carboxylic acid; crystallizing a purified aromatic carboxylic acid in a crystallization zone to form a solid/liquid mixture comprising purified aromatic carboxylic acid solids; filtering the solid/liquid mixture through a filter member of a rotary pressure filter apparatus to form a filter cake comprising the purified aromatic carboxylic acid solids; removing the filter cake from the filter member; rinsing the filter member to produce a filter rinse product, wherein the filter rinse product comprises purified aromatic carboxylic acid; and directing at least a portion of the filter rinse product downstream of the purification zone for recycle to the rotary pressure filter apparatus.
AbstractList A process for manufacturing a purified aromatic carboxylic acid is provided. The process comprises purifying a crude aromatic carboxylic acid in a purification zone to form a purified aromatic carboxylic acid; crystallizing a purified aromatic carboxylic acid in a crystallization zone to form a solid/liquid mixture comprising purified aromatic carboxylic acid solids; filtering the solid/liquid mixture through a filter member of a rotary pressure filter apparatus to form a filter cake comprising the purified aromatic carboxylic acid solids; removing the filter cake from the filter member; rinsing the filter member to produce a filter rinse product, wherein the filter rinse product comprises purified aromatic carboxylic acid; and directing at least a portion of the filter rinse product downstream of the purification zone for recycle to the rotary pressure filter apparatus.
Author BITSCH-LARSEN, Anders
LIANG, Tian
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DocumentTitleAlternate ROUTEN VON GEREINIGTER AROMATISCHER CARBONSÄUREFILTERSPÜLUNG ZUR ENERGIEOPTIMIERUNG
ACHEMINEMENT D'UN PRODUIT DE RINÇAGE DE FILTRE D'UN ACIDE CARBOXYLIQUE AROMATIQUE PURIFIÉ POUR OPTIMISATION D'ÉNERGIE
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Snippet A process for manufacturing a purified aromatic carboxylic acid is provided. The process comprises purifying a crude aromatic carboxylic acid in a purification...
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SubjectTerms ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
Title ROUTING OF PURIFIED AROMATIC CARBOXYLIC ACID FILTER RINSE FOR ENERGY OPTIMIZATION
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