A process to produce an enriched composition, said process comprising steps (a), (f) and (g) and optionally steps (b) to (e): (a) oxidizing an aromatic feedstock in a primary oxidation zone to form a crude carboxylic acid composition; (b) optionally removing at least a portion of oxidation by products from said crude carboxylic acid composition in a liquid displacement zone to form a slurry composition; (c) optionally oxidizing said slurry composition or said crude carboxylic acid composition in a staged oxidation zone to form a staged oxidation composition; (d) optionally crystallizing said slurry composition or said crude carboxylic composition or the staged oxidation composition in a crystallization zone to form a crystallized slurry composition; (e) optionally cooling said crystallized slurry composition or said staged oxidation composition or said slurry composition or said crude carboxylic acid composition in a cooling zone to form a cooled carboxylic acid composition; (f) contacting said cooled carboxylic acid composition or said crystallized slurry composition or said staged oxidation composition or said slurry composition or said carboxylic acid composition with a wash feed and optionally an enrichment feed in a catalyst removal zone to form a catalyst rich liquor, a wash liquor stream, an optional depleted enrichment liquor stream, and a post catalyst removal composition; (g) contacting said post catalyst removal composition with an enrichment feed in an enrichment zone to form a depleted enrichment stream and said enriched composition; wherein said post catalyst removal composition comprises at least one carboxylic acid selected from the group consisting of terephthalic acid, isophthalic acid, naphthalene dicarboxylic acid isomers, phthalic acid, 2,5-diphenyl-terephthalic acid, p-toluic acid, benzoic acid, trimellitic acid, and cyclohexane dicarboxylic acid isomers; and wherein said enrichment feed comprises at least one compound selected from the group consisting of terephthalic acid, isophthalic acid, phthalic acid, benzene-tricarboxylic acid isomers, benzoic acid, hydroxybenzoic acid isomers, hydroxymethylbenzoic acid isomers, dicarboxybiphenyl isomers, tricarboxybiphenyl isomers, dicarboxystilbene isomers, tricarboxystilbene isomers, dicarboxybenzophenone isomers, tricarboxybenzophenone isomers, dicarboxybenzil isomers, form-acet-hydroxybenzoic acid isomers, acet-hydroxymethylbenzoic acid isomers, a-bromo-toluic acid isomers, bromo-benzoic acid, bromo-acetic acid, tolualdehyde isomers, and phthaldehyde isomers, substituted fluorene isomers, substituted diphenyl methane isomers, substituted diphenyl ethane isomers, substituted naphthalene isomers, cyclohexane carboxylic acid, cyclohexane dicarboxylic acid isomers, other saturated aromatic isomers, ethylene glycol, diethylene glycol, propylene glycol isomers, butanediol isomers, polyols, cyclohexane dimethanol isomers, neopentyl glycol, 2,2',4,4'-tetramethyl-cyclobutane dimethanol, isophthalic acid, phthalic acid, hydroxybenzoic acid isomers, hydroxymethylbenzoic acid isomers, 2,5-diphenyl-terephthalic acid, cyclohexane dicarboxylic acid isomers, naphthalene dicarboxylic acid isomers, phosphoric acid, phosphorous acid, phosphites, toner dyes, dyes, pigments, colorants, reheat agents, iron oxide, titanium nitride, IR absorbing dyes, UV absorbing dyes, polydispersity modifiers, antioxidants, thermal stabilizers, thermo-oxidative stabilizers, coupling or chain-extending agents, end-capping agents, telechelic modifiers, metal co-ordinated sulfo-isophthalic acid, reducing agents, buffers, antistats, slip or anti-block agents, nucleators, titanium dioxide, fillers/opacifiers, anti-fogging agents, optical brighteners and combinations thereof; wherein at least one of said compounds is enriched; and wherein the term "enriched" means that a primary outlet stream leaving an enrichment zone has a greater concentration of any selected enrichment compound(s) than the primary inlet stream going into an enrichment zone; wherein the term "wash feed" comprises compositions that are capable of producing the post catalyst removal composition; and wherein the "enrichment feed" has a composition suitable to enrich the post catalyst removal composition. (a) oxidizing an aromatic feedstock in a primary oxidation zone to form a crude carboxylic acid composition; (b) optionally removing at least a portion of oxidation by products from said crude carboxylic acid composition in a liquid displacement zone to form a slurry composition; (c) optionally oxidizing said slurry composition or said crude carboxylic acid composition in a staged oxidation zone to form a staged oxidation composition; (d) optionally crystallizing said slurry composition or said crude carboxylic composition or the staged oxidation composition in a crystallization zone to form a crystallized slurry composition; (e) optionally cooling said crystallized slurry composition or said staged oxidation composition or said slurry composition or said crude carboxylic acid composition in a cooling zone to form a cooled carboxylic acid composition; (f) contacting said cooled carboxylic acid composition or said crystallized slurry composition or said staged oxidation composition or said slurry composition or said carboxylic acid composition with a wash feed and optionally an enrichment feed in a catalyst removal zone to form a catalyst rich liquor, a wash liquor stream, an optional depleted enrichment liquor stream, and a post catalyst removal composition; (g) contacting said post catalyst removal composition with an enrichment feed in an enrichment zone to form a depleted enrichment stream and said enriched composition;