Marcel de Vreede

Optimized liquid-phase oxidation

Extraction process for removal of impurities from mother liquor in the synthesis of carboxylic acid

Process for production of aromatic carboxylic acids with improved water removal technique

Extraction process for removal of impurities from an aqueous mixture

Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid

Optimized production of aromatic dicarboxylic acids

Method for heating a crude carboxylic acid slurry in a post oxidation zone by the addition of steam

Modeling of liquid-phase oxidation

Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange

Method for oxidizing a slurry composition in a post oxidation zone in the presence of added steam