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On-line reclaim process by selective ion sorption for the purification of highly acidic Fe contaminated chromate electroplating bath has been developed. Among many industrial functional resins, Lewatit VPOC1026 implanted with di-(2-ethylhexyl) phosphoric acid (DEHPA) extractant in the polymeric backbone exhibited the highest selectivity of Fe versus Cr but low sorption capacity of Fe. Impregnation...