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赵大为, 邹华, 朱琼宇, 杨晓怡. Fenton-混凝法处理苯胺废水[J]. 环境工程学报, 2012, 6(11): 3942-3946.
引用本文: 赵大为, 邹华, 朱琼宇, 杨晓怡. Fenton-混凝法处理苯胺废水[J]. 环境工程学报, 2012, 6(11): 3942-3946.
shu
Zhao Dawei, Zou Hua, Zhu Qiongyu, Yang Xiaoyi. Aniline wastewater treatment by Fenton oxidation-coagulation[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 3942-3946.
Citation: Zhao Dawei, Zou Hua, Zhu Qiongyu, Yang Xiaoyi. Aniline wastewater treatment by Fenton oxidation-coagulation[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 3942-3946.
shu

Fenton-混凝法处理苯胺废水

  • 1.

    江南大学环境与土木工程学院, 无锡 214122

  • 基金项目:

    国家自然科学基金资助项目(20707007)

    江苏省自然科学基金资助项目(BK2011161)

  • 中图分类号: X703.1

Aniline wastewater treatment by Fenton oxidation-coagulation

  • 1.

    School of Environment and Civil Engineering, Jiangnan University, Wuxi 214122, China

  • Fund Project:

  • 摘要: 农药生产过程中产生的苯胺废水,COD浓度高、生物毒性强、可生化性差,一般生化方法很难处理。研究了Fenton与PAC联用处理苯胺废水。结果表明,Fenton氧化处理苯胺废水在最佳条件为pH=6、m(H2O2)/m(COD)=1.8、n(H2O2)/n(Fe2+)=8时,COD和色度去除率分别为78.4%和92.3%。Fenton氧化后废水B/C值由0.037提高到0.324。最佳条件下联用PAC,在投加量为320 mg/L时COD与色度去除率分别为83.6%和94.8%,并且处理时间显著缩短,实际应用中可减少水力停留时间和构筑物体积。
    Abstract: Aniline wastewater produced during pesticide production is difficult to be treated by biochemical methods due to its high concentrations of COD, strong toxicity and low degradability. In this study, we used Fenton oxidation and its combination with coagulation to treat aniline wastewater. Results showed that the optimum conditions for Fenton oxidation were: pH=6, m(H2O2)/m(COD)=1.8, n(H2O2)/n(Fe2+)=8. The removal efficiencies for COD and chroma were 78.4% and 92.3%, respectively.Fenton treatment significantly improved biodegradability of aniline wastewater, and the value of B/C increased from 0.037 to 0.324.A combination of Fenton oxidation and coagulation by adding 320 mg/L PAC increased the COD and chroma removal efficiencies to 83.6% and 94.8%, respectively. In addition, the combination shortened the treatment period, HRT, so that the required reactor volume decreased.
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  • 收稿日期:  2011-11-14
  • 刊出日期:  2012-11-09
赵大为, 邹华, 朱琼宇, 杨晓怡. Fenton-混凝法处理苯胺废水[J]. 环境工程学报, 2012, 6(11): 3942-3946.
引用本文: 赵大为, 邹华, 朱琼宇, 杨晓怡. Fenton-混凝法处理苯胺废水[J]. 环境工程学报, 2012, 6(11): 3942-3946.
shu
Zhao Dawei, Zou Hua, Zhu Qiongyu, Yang Xiaoyi. Aniline wastewater treatment by Fenton oxidation-coagulation[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 3942-3946.
Citation: Zhao Dawei, Zou Hua, Zhu Qiongyu, Yang Xiaoyi. Aniline wastewater treatment by Fenton oxidation-coagulation[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 3942-3946.
shu

Fenton-混凝法处理苯胺废水

  • 1. 江南大学环境与土木工程学院, 无锡 214122
  • 收稿日期:  2011-11-14
基金项目:

国家自然科学基金资助项目(20707007)

江苏省自然科学基金资助项目(BK2011161)

摘要: 农药生产过程中产生的苯胺废水,COD浓度高、生物毒性强、可生化性差,一般生化方法很难处理。研究了Fenton与PAC联用处理苯胺废水。结果表明,Fenton氧化处理苯胺废水在最佳条件为pH=6、m(H2O2)/m(COD)=1.8、n(H2O2)/n(Fe2+)=8时,COD和色度去除率分别为78.4%和92.3%。Fenton氧化后废水B/C值由0.037提高到0.324。最佳条件下联用PAC,在投加量为320 mg/L时COD与色度去除率分别为83.6%和94.8%,并且处理时间显著缩短,实际应用中可减少水力停留时间和构筑物体积。

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