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中文摘要：
通过化学复合镀的方法制备成催化材料,TiO2粉末与镍磷合金共沉积在泡沫镍表面上,并通过光、电催化的方法将3价砷（As（III））氧化为5价砷（As（V））进行吸附试验。结果表明,As（III）吸附在7 h后达到平衡,As（V）吸附在5 h后达到平衡;As（III）和As（V）的吸附动力学与拟2级动力学特征相一致。在光催化、电催化和光电催化3种氧化As（III）的方法中,光电催化的效果最好;当As（III）的初始质量浓度为1 mg/L时,使用光电催化方法的除砷率能达到80.76%。
英文摘要：
In this paper,the catalytic material was prepared by the composite plating method,TiO2 powder with nickel-phosphorus alloy were deposited on the nickel foam on the surface,the conversion of trivalent arsenic [As（III）] to pentavalent arsenic was achieved using the photoelectrocatalysis method.Experiments showed that the adsorption reaction reached balance after putting the catalytic material into the arsenic solution for 7 h.The sorption kinetics of As was in accordance with the characteristic of pseudo-second order reaction.Then three different methods（photocatalysis,electrocatalysis,and photoelectrocatalysis） were used to oxidize the AS.The photoelectrocatalytic method was shown the best at oxidation of AS than the other two methods.While the initial concentration was 1 mg/L,the removal of As can reach to 80.76% in the method photoelectrocatalysis.
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