%0 Journal Article %T Affecting factors and kinetics of dye wastewater treatment by electro-catalytic oxidation process
电催化氧化法处理染料废水的影响因素及动力学 %A Wang Kaihong %A Yue Lin %A Guo Jianbo %A
王开红 %A 岳琳 %A 郭建博 %J 环境工程学报 %D 2012 %I %X Under the condition of the coating of titanium plate as anode,graphite plate as cathode and Fe2O3/γ-Al2O3 as heterogeneous catalyst,COD removal effect and its affecting factors in dye-wastewater of acid red by electro-heterogeneous catalytic oxidation system were investigated.Experimental conditions and the degradation mechanism of COD were discussed.The result shows that cell voltage,pH,airflow rate and electrode distance had a significant impact on COD removal.The best COD removal was 64.5% with cell voltage of 20 V,pH of 4,airflow rate of 0.24 m3/h and electrode distance of 3 cm.The degradation of COD approximation order kinetics equation: ln(C0/C)=0.0034t+0.719.It is capable of mineralizing organic contaminants into H2O,CO2 and other inorganics in the electro-heterogeneous catalytic oxidation system. %K electro-heterogeneous catalytic oxidation %K wastewater treatment %K Acid Red %K COD %K dynamics
电-多相催化氧化 %K 废水处理 %K 酸性大红 %K COD %K 动力学 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=92E6F4267FD4CBCB51B1E49E014D8054&jid=3567BD61129AA59043F5DE01F8815DB5&aid=078384E9FE9084EA180A69F9FD089FD0&yid=99E9153A83D4CB11&vid=B31275AF3241DB2D&iid=5D311CA918CA9A03&sid=16D0D605A1E41A33&eid=1981EDE64137AF5E&journal_id=1673-9108&journal_name=环境工程学报&referenced_num=0&reference_num=0