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颜智勇, 谭秀益, 李刚. 外循环式UASB反应器处理槟榔废水[J]. 环境工程学报, 2013, 7(9): 3385-3389.
引用本文: 颜智勇, 谭秀益, 李刚. 外循环式UASB反应器处理槟榔废水[J]. 环境工程学报, 2013, 7(9): 3385-3389.
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Yan Zhiyong, Tan Xiuyi, Li Gang. Treatment of areca wastewater by outside circulation upflow anaerobic sludge blanket reactor[J]. Chinese Journal of Environmental Engineering, 2013, 7(9): 3385-3389.
Citation: Yan Zhiyong, Tan Xiuyi, Li Gang. Treatment of areca wastewater by outside circulation upflow anaerobic sludge blanket reactor[J]. Chinese Journal of Environmental Engineering, 2013, 7(9): 3385-3389.
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外循环式UASB反应器处理槟榔废水

  • 1.

    湖南农业大学资源环境学院, 长沙 410128

  • 基金项目:

    国家"水体污染控制与治理"重大专项(2008ZX07211-001)

  • 中图分类号: X703.1

Treatment of areca wastewater by outside circulation upflow anaerobic sludge blanket reactor

  • 1.

    College of Environment and Resources, Hunan Agricultural University, Changsha 410128, China

  • Fund Project:

  • 摘要: 在中温(35±2℃)条件下,利用外循环式UASB反应器处理中高有机浓度的槟榔加工废水,并着重探讨了水力停留时间(HRT)对厌氧消化的影响。研究表明,当反应器稳定运行,水力停留时间为1 d, 进水COD浓度5 000 mg/L左右,容积负荷在2.53~5.25 kg COD/(m3·d)时,COD 去除率在38%以上,出水COD3/kg COD;若水力停留时间延长至4 d,容积负荷为1.26~1.30 kg COD/(m3·d),COD去除率可以达到79%,出水COD 5/COD 平均为0.28,实验取得了良好的处理效果,为利用厌氧技术处理槟榔加工废水提供了设计依据。
    Abstract: The improved upflow anaerobic sludge blanket(UASB)was used for the treatment of areca wastewater under mesophilic conditions of (30±2)℃, the effects of hydraulic retention time (HRT) on anaerobic digestion were emphatically discussed. When the reactor was stable with HRT of one day and the influent COD concentration of 5 000 mg/L, the volume loading rate of 2.53~5.25 kg COD/(m3·d) in UASB reactor was achieved,COD removal rate was over 38%, effluent COD concentration was below 3 000 mg/L, and the average yield of methane was 0.41 m3/kg COD. When HRT extended to four days, the volume loading rate was 1.26~1.30 kg COD/(m3·d),the COD removal rate could reach over 79%, the effluent COD concentration would below 1 200 mg/L, the biodegradability of the effluent declined, the BOD5/COD ratio was 0.28 on average. This sound experimental result provides a reliable basis for purifying the areca wastewater under the anaerobic condition.
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  • 收稿日期:  2013-06-25
  • 刊出日期:  2013-09-15

外循环式UASB反应器处理槟榔废水

  • 1. 湖南农业大学资源环境学院, 长沙 410128
  • 收稿日期:  2013-06-25
基金项目:

国家"水体污染控制与治理"重大专项(2008ZX07211-001)

摘要: 在中温(35±2℃)条件下,利用外循环式UASB反应器处理中高有机浓度的槟榔加工废水,并着重探讨了水力停留时间(HRT)对厌氧消化的影响。研究表明,当反应器稳定运行,水力停留时间为1 d, 进水COD浓度5 000 mg/L左右,容积负荷在2.53~5.25 kg COD/(m3·d)时,COD 去除率在38%以上,出水COD3/kg COD;若水力停留时间延长至4 d,容积负荷为1.26~1.30 kg COD/(m3·d),COD去除率可以达到79%,出水COD 5/COD 平均为0.28,实验取得了良好的处理效果,为利用厌氧技术处理槟榔加工废水提供了设计依据。

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