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混凝沉淀-Fenton-NaClO氧化深度处理垃圾渗滤液

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聂发辉, 李文婷, 刘占孟, 刘玉清. 混凝沉淀-Fenton-NaClO氧化深度处理垃圾渗滤液[J]. 环境工程学报, 2015, 9(7): 3153-3158. doi: 10.12030/j.cjee.20150713
引用本文: 聂发辉, 李文婷, 刘占孟, 刘玉清. 混凝沉淀-Fenton-NaClO氧化深度处理垃圾渗滤液[J]. 环境工程学报, 2015, 9(7): 3153-3158. doi: 10.12030/j.cjee.20150713
shu
Nie Fahui, Li Wenting, Liu Zhanmeng, Liu Yuqing. Treatment of landfill leachate by coagulation precipition-Fenton-NaClO oxidation[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3153-3158. doi: 10.12030/j.cjee.20150713
Citation: Nie Fahui, Li Wenting, Liu Zhanmeng, Liu Yuqing. Treatment of landfill leachate by coagulation precipition-Fenton-NaClO oxidation[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3153-3158. doi: 10.12030/j.cjee.20150713
shu

混凝沉淀-Fenton-NaClO氧化深度处理垃圾渗滤液

  • 1.

    华东交通大学土木建筑学院, 南昌 330013

  • 基金项目:

    国家自然科学基金资助项目(51148006,51468016)

    江西省自然科学基金资助项目(20142BAB203023,20142BAB203027)

  • 中图分类号: X703

Treatment of landfill leachate by coagulation precipition-Fenton-NaClO oxidation

  • 1.

    School of Civil Engineering and Architecture, East China Jiao Tong University, Nanchang 330013, China

  • Fund Project:

  • 摘要: 用混凝沉淀-Fenton-NaClO氧化联合深度处理垃圾渗滤液,利用单因素变量法得出:混凝实验在PFS投加量为1.2 g/L、pH=6、搅拌时间为30 min的条件下进行,COD、氨氮和色度的去除率分别达到56.60%、15.62%和56.52%;混凝出水在初始pH为4、H2O2投加量为80 mmol/L、n(H2O2):n(F2+)比为1:1、反应时间为60 min的条件下进行Fenton氧化,COD、氨氮和色度的去除率分别达到71.38%、21.43%和95.24%;Fenton氧化出水在pH为6、NaClO投加量为60 mmol/L、反应时间为60 min的条件下进行NaClO氧化,COD和氨氮去除率分别为83.42%和99.57%;联合工艺COD、氨氮和色度去除率分别为96.68%、99.69%和98.04%,出水浓度分别为63 mg/L、0.47 mg/L和18倍,均可满足《生活垃圾填埋污染控制标准(GB16889-2008)》中规定的排放标准。
    Abstract: Coagulation-Fenton-NaClO oxidation were chosen to treat leachate.The optimum experimental conditions were determined by single factor variable method.With optimum polyferric sulfate dose of 1.2 g/L,pH value of 6.0 and reaction time of 30min,the experiment came to results that COD,ammonia-nitrogen and colour removal were 56.60%,15.62% and 56.52%,respectively by using chemical coagulation.With optimum pH of 4.0,optimum dosages of H2O2 of 80 mmol/L and H2O2/Fe2+ molar ratio of 1,the highest removal of COD,ammonia-nitrogen and colour were found 71.38%,21.43% and 95.24%,respectively after 60 min of the Fenton treatment.The topmost removal of COD and ammonia-nitrogen reached to 83.42% and 99.57% under the best conditions of pH value of 6.0,reaction time of 60 min and NaClO dose of 60 mmol/L.The highest removals of 96.68%,99.69% and 98.04% were observed for COD,ammonia-nitrogen and colour,respectively by the combined process,and the effluent concentration were reduced to 63 mg/L,0.47 mg/L and 18 times that meet the prescribed discharge standards of landfill pollution control standard (GB16889-2008).
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  • 收稿日期:  2014-07-15
  • 刊出日期:  2015-07-02
聂发辉, 李文婷, 刘占孟, 刘玉清. 混凝沉淀-Fenton-NaClO氧化深度处理垃圾渗滤液[J]. 环境工程学报, 2015, 9(7): 3153-3158. doi: 10.12030/j.cjee.20150713
引用本文: 聂发辉, 李文婷, 刘占孟, 刘玉清. 混凝沉淀-Fenton-NaClO氧化深度处理垃圾渗滤液[J]. 环境工程学报, 2015, 9(7): 3153-3158. doi: 10.12030/j.cjee.20150713
shu
Nie Fahui, Li Wenting, Liu Zhanmeng, Liu Yuqing. Treatment of landfill leachate by coagulation precipition-Fenton-NaClO oxidation[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3153-3158. doi: 10.12030/j.cjee.20150713
Citation: Nie Fahui, Li Wenting, Liu Zhanmeng, Liu Yuqing. Treatment of landfill leachate by coagulation precipition-Fenton-NaClO oxidation[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3153-3158. doi: 10.12030/j.cjee.20150713
shu

混凝沉淀-Fenton-NaClO氧化深度处理垃圾渗滤液

  • 1. 华东交通大学土木建筑学院, 南昌 330013
  • 收稿日期:  2014-07-15
基金项目:

国家自然科学基金资助项目(51148006,51468016)

江西省自然科学基金资助项目(20142BAB203023,20142BAB203027)

摘要: 用混凝沉淀-Fenton-NaClO氧化联合深度处理垃圾渗滤液,利用单因素变量法得出:混凝实验在PFS投加量为1.2 g/L、pH=6、搅拌时间为30 min的条件下进行,COD、氨氮和色度的去除率分别达到56.60%、15.62%和56.52%;混凝出水在初始pH为4、H2O2投加量为80 mmol/L、n(H2O2):n(F2+)比为1:1、反应时间为60 min的条件下进行Fenton氧化,COD、氨氮和色度的去除率分别达到71.38%、21.43%和95.24%;Fenton氧化出水在pH为6、NaClO投加量为60 mmol/L、反应时间为60 min的条件下进行NaClO氧化,COD和氨氮去除率分别为83.42%和99.57%;联合工艺COD、氨氮和色度去除率分别为96.68%、99.69%和98.04%,出水浓度分别为63 mg/L、0.47 mg/L和18倍,均可满足《生活垃圾填埋污染控制标准(GB16889-2008)》中规定的排放标准。

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