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为提高高级氧化技术对内分泌干扰物的降解和矿化性能,首次研究了(TiO2/Ti-Fe)-石墨毡双阳极光电协同催化氧化体系,并考察了其对2,4-二氯苯酚的光催化氧化降解性能.研究了电流在TiO:/Ti-Fe两阳极上的分配,外加电压,pH等主要因素对2,4-二氯酚降解效率的影响及反应过程中H2O2的生成及积累情况.实验结果表明,本体系不仅具有较高的H2O2生成效率和较强的光催化氧化降解性能,而且该体系可以在较宽的pH范围内工作.在较低的电流密度下反应60 min,2,4-二氯酚的降解率可达95%以上,而矿化率高达80%.

参考文献

[1] Aydin H;Ozdemir N;Uzunoren N .Investigation of the accumulation of 2,4-dichlorophenoxyacetic acid (2,4-D) in rat kidneys.[J].Forensic science international,2005(1):53-57.
[2] J.F. Zhang;H. Liu;Y.Y. Sun;X.R. Wang;J.C. Wu;Y.Q. Xue .Responses of the antioxidant defenses of the Goldfish Carassius auratus, exposed to 2,4-dichlorophenol[J].Environmental toxicology and pharmacology,2005(1):185-190.
[3] 白海莹,王荣国,刘文博,朱迅,朱振强.纳米TiO2光催化材料分散性及其降解效率研究[J].材料科学与工艺,2005(05):499-502.
[4] Enric Brillas;Birame Boye;Ignasi Sires;Jose Antonio Garrido;Rosa Maria Rodriguez;Conchita Arias;Pere-Lluis Cabot;Christos Comninellis .Electrochemical destruction of chlorophenoxy herbicides by anodic oxidation and electro-Fenton using a boron-doped diamond electrode[J].Electrochimica Acta,2004(25):4487-4496.
[5] Sabhi S.;Kiwi J. .Degradation of 2,4-dichlorophenol by immobilized iron catalysts[J].Water research: A journal of the international water association,2001(8):1994-2002.
[6] Delia Teresa Sponza;Aysen Ulukoey .Treatment of 2,4-dichlorophenol (DCP) in a sequential anaerobic (upflow anaerobic sludge blanket) aerobic (completely stirred tank) reactor system[J].Process biochemistry,2005(11):3419-3428.
[7] 程沧沧,邓南圣,吴峰,刘立,周菊香,胡德文.光电催化降解邻苯二甲酸二乙酯的研究[J].分子催化,2005(04):241-245.
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