Process for controlling reaction and crystallization solvent composition in process for production of aromatic carboxylic acid
||US 9150485 B2
||Oct 8, 2013
||Oct 6, 2015
Processes have been developed for oxidizing alkyl aromatic compounds, and which reduce the amount of 4-CBA in the solid oxidation products. The process can reduce the makeup amount of ionic liquid, carboxylic acid, catalyst, bromine source, and ammonia source.