2002•哈尔滨工业大学学报：英文版Requires access
Study on concentration of β-Naphthalenesulfonic acid by electrodialysis
李长海, 史鹏飞, 余政哲
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Abstract
Anion-exchange membranes 3362W and AM-203 were evaluated for facilitating the concentration of β-Naphthalenesulfonie acid by electrodialysis. The effect of concentration, temperature, electric current and time on the electrodialysis process were studied. Experimental results indicated that electrodialysis was an effective method for concentratingβ-Naphthalenesulfonic acid at 25℃. Higher efficiencies were not obtained at high temperature. The overall current efficiency was 80%～95%.