| 活性炭/H2O2催化氧化-絮凝法预处理化工有机废水 |
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| 引用本文： | 潘碌亭,屠晓青,罗华飞,张骁君.活性炭/H2O2催化氧化-絮凝法预处理化工有机废水[J].化工环保,2008,28(1):50-53. |
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| 作者姓名： | 潘碌亭 屠晓青 罗华飞 张骁君 |
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| 作者单位： | 同济大学,环境科学与工程学院污染控制与资源化研究国家重点实验室,上海,200092 |
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| 摘 要： | 用活性炭作催化剂、H2O2作氧化剂催化氧化预处理高浓度化工有机废水，考察了各种因素对COD去除率的影响。实验结果表明，在H2O2加入量为0．8mL／L、活性炭与H2O2质量比为0．7、废水pH为4的条件下，反应120min后，调废水pH至8，加入絮凝剂聚合氯化铝进行絮凝沉淀，废水COD去除率达70％以上，色度去除率达80％以上。通过色谱-质谱仪对处理前后废水中的有机物进行分析，初步探讨了活性炭／H2O2催化氧化-絮凝法预处理化工有机废水的作用机理。
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| 关 键 词： | 活性炭 过氧化氢 催化氧化 絮凝 废水处理 |
Pretreatment of Organic Wastewater from Chemical Industry by Activated Carbon/H2O2 Catalytic Oxidation-Flocculation Process |
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| Pan Luting,Tu Xiaoqing,Luo Huafei,Zhang Xiaojun.Pretreatment of Organic Wastewater from Chemical Industry by Activated Carbon/H2O2 Catalytic Oxidation-Flocculation Process[J].Environmental Protection of Chemical Industry,2008,28(1):50-53. |
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| Authors: | Pan Luting Tu Xiaoqing Luo Huafei Zhang Xiaojun |
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| Abstract: | The organic wastewater from chemical industry was pretreated by catalytic oxidation process using activated carbon as catalyst and H_2O_2 as oxidant.The factors affecting the removal rate of COD were studied.Under the conditions of H_2O_2 dosage 0.8 mL/L,mass ratio of activated carbon to H_2O_2 0.7,wastewater pH 4,reaction time 120 min,then adjusting wastewater pH to 8 and adding PAC flocculant,the removal rate of COD and chroma is over 70% and 80% respectively.The organic substances in the wastewater befor... |
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| Keywords: | activated carbon hydrogen peroxide catalytic oxidation flocculation wastewater treatment |
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