Ballast water treatment system based on ion-exchange membrane electrolysis

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Journal of Dalian Maritime University ›› 2014, Vol. 40 ›› Issue (1) : 83-85.

SUN Jin-yang^a，PAN Xin-xiang^a，WANG Jun-sheng^b

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Abstract

Ion-exchange membrane electrolysis-based ship’s ballast water treatment system was proposed. Ion-exchange membrane is a special kind of cationic selective passable membrane, and the electrolytic anode and cathode are isolated by ion-exchange membrane. The products of the electrolytic anode were used for the ballast water treatment and those of the electrolytic cathode were used for the flue gas desulfurization treatment. Three algae species including Chlorella vulgaris, Platymonas subcordiformis and Prorocentrum micans were performed by this system. Results show that all three types of algae can be killed efficiently when the concentration of available chlorine concentration is up to 5 mg/L.

Key words

ship’s ballast water / available chlorine / ion-exchange membrane electrolysis / algal

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SUN Jin-yang, PAN Xin-xiang, WANG Jun-sheng. Ballast water treatment system based on ion-exchange membrane electrolysis[J]. Journal of Dalian Maritime University. 2014, 40(1): 83-85

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