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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Ti/α-PbO2/β-PbO2电极电化学降解2-氯酚
DOI: 10.1016/S1872-2067(15)60851-8, PP. 975-981
Keywords: 电化学降解,2-氯酚,β-PbO2电极,α-PbO2中间层,动力学
Abstract:
？采用电化学沉积法在Ti基底上制备了复合电极Ti/α-PbO2/β-PbO2,扫描电镜结果表明电极呈现由β-PbO2小晶体组成的菜花状微观形貌.所制电极在电化学降解环境污染物2-氯酚时表现出较高的电催化效率、较好的电极稳定性和较长的电极寿命.用正交实验优化了电化学降解2-氯酚的实验条件.在最优的实验条件(2-氯酚初始浓度50mg/L,电解质0.1mol/LNa2SO4,温度35℃,阳极电流密度20mA/cm2)下电化学降解180min后,2-氯酚的去除率达100%.动力学结果表明,Ti/α-PbO2/β-PbO2电极上2-氯酚的电化学氧化符合准一级动力学过程.
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