为了提高电吸附技术中活性炭粉电极(AC电极)电吸附容量,本实验采用sol-gel法制备了纳米ZnO-AC电极,以提高电吸附容量.研究结果表明,AC电极表面负载了一定量的纳米ZnO,其形态为棒状结构；经比表面积测定,AC电极比表面积从785 m2/g增加到1120 m2/g;对KCl的吸附试验表明,当极板有效面积5 cm×5 cm,两极板间距0.5 cm,电压1.6V,流速20 mL/min,原水为KCl溶液,原水电导320 μs/min时,除盐效率达到62.25％；并且经过5个循环,除盐效率基本没有降低,纳米ZnO-AC电极表现出良好的重复使用性能.本实验对活性炭粉在电吸附技术中的实际应用有重要意义.
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