刘文武, 涂学炎, 王伟, 张世鸿, 潘媛. 电催化氧化法处理亚麻废水的研究[J]. 云南大学学报(自然科学版), 2006, 28(3): 251-256.
引用本文: 刘文武, 涂学炎, 王伟, 张世鸿, 潘媛. 电催化氧化法处理亚麻废水的研究[J]. 云南大学学报(自然科学版), 2006, 28(3): 251-256.
shu
LIU Wen-wu, TU Xue-yan, WANG Wei, ZHANG Shi-hong, PAN Yan. Study on electrocatalytic oxidation treatment of the fiber flax wastewater[J]. Journal of Yunnan University: Natural Sciences Edition, 2006, 28(3): 251-256.
Citation: LIU Wen-wu, TU Xue-yan, WANG Wei, ZHANG Shi-hong, PAN Yan. Study on electrocatalytic oxidation treatment of the fiber flax wastewater[J]. Journal of Yunnan University: Natural Sciences Edition, 2006, 28(3): 251-256.
shu

电催化氧化法处理亚麻废水的研究

Study on electrocatalytic oxidation treatment of the fiber flax wastewater

    摘要
  • 摘要: 以自制的Ti/SnO2-Sb2O3/RuO2/Ce和Ti/SnO2-Sb2O3/α-PbO2/β-PbO2为阳极,采用掺Ru活性炭颗粒作电极间填充剂的三维电极法,电催化氧化处理经预处理后的亚麻废水.研究了填充剂的用量、支持电解质种类和浓度、体系温度、槽电压、电解时间等因素对废水化学耗氧量(COD)去除率的影响,确定了适宜反应条件.经先Ti基RuO2类电极,后Ti基新型PbO2电极的连续电解处理后效果为:COD,BOD5质量浓度均达GB8978—1996二级排放标准,NH3-N质量浓度达一级排放标准,亚麻废水COD总去除率为97.4%,电催化氧化阶段COD去除率达93.6%.

     

    Abstract: Electrocatalysis-oxidative degradation of pretreated fiber flax wastewater was studied with three-dimension electrodes which were made of Ce/RuO2/SnO2-Sb2O3/Ti anode or β-PbO2/α-PbO2/SnO2-Sb2O3/Ti anode and activated carbon carried with Ru.Various influence factors in relation to CODcr removal rate such as the mass ratio between activated carbon and wastewater,the kind and concentration of back-up electrolyte,operational temperature and time,applied voltage were examined.So the better reaction conditions were determined.After the continuous electrotreating with Ce/RuO2/SnO2-Sb2O3/Ti anode and β-PbO2/α-PbO2/SnO2-Sb2O3/Ti anode the results showed that the CODcr and BOD5 value of treated water could meet the 2nd wastewater discharge standard of GB 8978—1996 and the NH3-N value could meet the 1st discharge standard.In addition,the total removal rate of CODcr could reach to 97.4% and the CODcr removal rate during electrocatalytic oxidation could reach to 93.6%.

     

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