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Fenton氧化降解垃圾渗滤液中COD的动力学研究

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陈云嫩, 刘春花, 范景彪, 丁丽超. Fenton氧化降解垃圾渗滤液中COD的动力学研究[J]. 环境工程学报, 2013, 7(7): 2574-2578.
引用本文: 陈云嫩, 刘春花, 范景彪, 丁丽超. Fenton氧化降解垃圾渗滤液中COD的动力学研究[J]. 环境工程学报, 2013, 7(7): 2574-2578.
shu
Chen Yunnen, Liu Chunhua, Fan Jingbiao, Ding Lichao. Study on kinetics of treating COD from landfill leachate by Fenton oxidation[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2574-2578.
Citation: Chen Yunnen, Liu Chunhua, Fan Jingbiao, Ding Lichao. Study on kinetics of treating COD from landfill leachate by Fenton oxidation[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2574-2578.
shu

Fenton氧化降解垃圾渗滤液中COD的动力学研究

  • 1.

    江西理工大学资源与环境工程学院, 赣州 341000

  • 基金项目:

    江西省教育厅科技计划项目(GJJ11457)

  • 中图分类号: X703

Study on kinetics of treating COD from landfill leachate by Fenton oxidation

  • 1.

    School of Resource and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

  • Fund Project:

摘要

  • 摘要: 对絮凝预处理后的垃圾渗滤液进行Fenton氧化处理。通过微分法对Fenton氧化的反应级数进行求解,确定其反应级数为2,并初步建立了Fenton氧化的动力学模型,即1/c=1/c0+kt,由此建立起来的降解的动力学模型与实验数据相吻合;在4个实验基准条件下——初始COD浓度为960 mg/L、pH值4、H2O2投加量0.4 mol/L、nH2O2/nFe2+ 3:1,探讨了其中某一变量对反应速率的影响。实验水样为絮凝反应出水,进水COD浓度为912~960 mg/L,出水COD浓度为80~112 mg/L,COD去除率在87%~92%之间,表明Fenton试剂能够有效地处理垃圾渗滤液。
    Abstract: Fenton oxidation treating landfill leachate pretreated by flocculation was researched. Using differentiation, the reaction order of Fenton oxidation was determined as 2, and the kinetics model of Fenton oxidation was established, 1/c=1/c0+kt. Under the four experimental benchmark conditions: the initial COD concentration of 960 mg/L, initial pH of 4, H2O2 concentration of 0.4 mol/L, H2O2/Fe2+ molar ratio of 3, a certain variable to the influence of reaction rate was investigated. Under the conditions, the removal efficiencies of COD were 87%~92% when influent COD concentrations were 912~960 mg/L, and effluent COD concertrations were 80~112 mg/L. All these proved that landfill leachate can be effectively treated by Fenton reagents.
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  • 收稿日期:  2012-05-26
  • 刊出日期:  2013-07-18
陈云嫩, 刘春花, 范景彪, 丁丽超. Fenton氧化降解垃圾渗滤液中COD的动力学研究[J]. 环境工程学报, 2013, 7(7): 2574-2578.
引用本文: 陈云嫩, 刘春花, 范景彪, 丁丽超. Fenton氧化降解垃圾渗滤液中COD的动力学研究[J]. 环境工程学报, 2013, 7(7): 2574-2578.
shu
Chen Yunnen, Liu Chunhua, Fan Jingbiao, Ding Lichao. Study on kinetics of treating COD from landfill leachate by Fenton oxidation[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2574-2578.
Citation: Chen Yunnen, Liu Chunhua, Fan Jingbiao, Ding Lichao. Study on kinetics of treating COD from landfill leachate by Fenton oxidation[J]. Chinese Journal of Environmental Engineering, 2013, 7(7): 2574-2578.
shu

Fenton氧化降解垃圾渗滤液中COD的动力学研究

  • 1. 江西理工大学资源与环境工程学院, 赣州 341000
  • 收稿日期:  2012-05-26
基金项目:

江西省教育厅科技计划项目(GJJ11457)

摘要: 对絮凝预处理后的垃圾渗滤液进行Fenton氧化处理。通过微分法对Fenton氧化的反应级数进行求解,确定其反应级数为2,并初步建立了Fenton氧化的动力学模型,即1/c=1/c0+kt,由此建立起来的降解的动力学模型与实验数据相吻合;在4个实验基准条件下——初始COD浓度为960 mg/L、pH值4、H2O2投加量0.4 mol/L、nH2O2/nFe2+ 3:1,探讨了其中某一变量对反应速率的影响。实验水样为絮凝反应出水,进水COD浓度为912~960 mg/L,出水COD浓度为80~112 mg/L,COD去除率在87%~92%之间,表明Fenton试剂能够有效地处理垃圾渗滤液。

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