2004•Technology of Water TreatmentRequires access

CONCENTRATION OF β-NAPHTHALENESULFONIC ACID BY ELECTRODIALYSIS

Shi Peng-fei

Abstract

Anion-exchange membranes 3362W and AM-203 were evaluated for facilitating the concentration of β-Naphthalenesulfonic acid by electrodialysis. The effect of concentration, temperature, ccurrent, and time on the electrodialysis process were studied. Experimental results indicated that electrodialysis was an effective method for concentrating β-Naphthalenesulfonic acid at 25℃. The performance of the AM-203 membrane was better than 3362W membrane.

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Key concepts: Electrodialysis, Membrane, Chemistry, Chromatography, Ion-exchange membranes, Reversed electrodialysis, Ion exchange, Ion