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陈强, 黎中宝, 陈明岭. 混凝-膜组合工艺处理水产养殖废水[J]. 环境工程学报, 2014, 8(5): 1869-1876.
引用本文: 陈强, 黎中宝, 陈明岭. 混凝-膜组合工艺处理水产养殖废水[J]. 环境工程学报, 2014, 8(5): 1869-1876.
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Chen Qiang, Li Zhongbao, Chen Mingling. Aquacultural wastewater treatment by coagulation-membrane filtration combination process[J]. Chinese Journal of Environmental Engineering, 2014, 8(5): 1869-1876.
Citation: Chen Qiang, Li Zhongbao, Chen Mingling. Aquacultural wastewater treatment by coagulation-membrane filtration combination process[J]. Chinese Journal of Environmental Engineering, 2014, 8(5): 1869-1876.
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混凝-膜组合工艺处理水产养殖废水

  • 1.

    集美大学水产学院, 福建省海洋渔业资源与生态环境重点实验室, 厦门 361021

  • 基金项目:

    厦门市科技项目（3502Z20123026）

    农业部渔业装备与工程重点开放实验室开放基金资助项目（201206070001）

    福建省自然科学基金资助项目（2012J01178）

    集美大学科研启动基金资助项目（ZQ2005010）

  • 中图分类号: X703.1

Aquacultural wastewater treatment by coagulation-membrane filtration combination process

  • 1.

    Fujian Provincial Key Laboratory for Fishery Resources and Eco-Environment, Fisheries College of Jimei University, Xiamen 361021, China

  • Fund Project:

  • 摘要: 采用混凝-膜过滤组合工艺处理鳗鲡养殖废水，实验研究了混凝对废水的处理效果，确定了最佳的混凝剂和助凝剂，并对水体进行2种膜工艺的处理。结果表明，聚合氯化铝铁（PAFC） 是处理鳗鲡养殖废水的理想混凝剂，最佳用量为 30 mg/L；加入助凝剂壳聚糖，能有效提高混凝剂污染物去除效果，助凝剂最佳用量为 0.3 mg/L，pH 值约为 6.0；膜分离可以进一步提高处理效果。在系统进水化学需氧量质量浓度为6.82~7.65 mg/L，氨氮质量浓度为0.78~0.92 mg/L，亚硝酸盐氮质量浓度为0.35~0.39 mg/L，硝酸盐氮质量浓度为2.49~3.07 mg/L，活性磷酸盐质量浓度为0.74~0.89 mg/L，水温为20~28℃时，混凝-膜过滤组合方法对养殖废水中5项指标的去除率分别为：75.6%、61.2%、82.9%、37.5%和59.1%。但总体而言，混凝-膜组合工艺在水产养殖废水应用中处理效果明显，具有可行性和实用性。
    Abstract: A coagulation-membrane filtration combination process was designed to treat aquacultural wastewater of eel. The effect of coagulation pretreatment was investigated to select the superior coagulation and coagulant aid. Moreover, the selective tests for microfiltration and ultrafiltration were done to treat wastewater.The results indicated that the polymeric aluminum ferric chloride(PAFC) bringed about a fairly ideal effect when the dosage of PAFCwas 30 mg／L.The efficiency improvement indicated that chitosan could enhance the coagulation treatment by PAFC significantly and membrane filtration could further improve removal efficiencies. When the dosage of chitosan was 0.15 mg／L and pH value was set to 6.0, the effect of coagulation was better. When the efluent concentrations of COD, NH3-N, NO2--N, NO3--N and PO4-P were 6.82~7.65 mg/L, 0.78~0.92 mg/L, 0.35~0.39 mg/L, 2.49~3.07 mg/L, 0.74~0.89 mg/L,respectively,and the temperature was 20~28℃, the removal efficiencies of COD, NH3-N, NO2--N, NO3--N and PO4-P were 75.6%,61.2%,82.9%,37.5% and 59.1%, respectively by coagulation-membrane filtration combined process. It is thus concluded that the combined process is feasible and practical in aquacultural wastewater treatment.
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出版历程
  • 收稿日期:  2013-07-01
  • 刊出日期:  2014-05-06

混凝-膜组合工艺处理水产养殖废水

  • 1. 集美大学水产学院, 福建省海洋渔业资源与生态环境重点实验室, 厦门 361021
  • 收稿日期:  2013-07-01
基金项目:

厦门市科技项目（3502Z20123026）

农业部渔业装备与工程重点开放实验室开放基金资助项目（201206070001）

福建省自然科学基金资助项目（2012J01178）

集美大学科研启动基金资助项目（ZQ2005010）

摘要: 采用混凝-膜过滤组合工艺处理鳗鲡养殖废水，实验研究了混凝对废水的处理效果，确定了最佳的混凝剂和助凝剂，并对水体进行2种膜工艺的处理。结果表明，聚合氯化铝铁（PAFC） 是处理鳗鲡养殖废水的理想混凝剂，最佳用量为 30 mg/L；加入助凝剂壳聚糖，能有效提高混凝剂污染物去除效果，助凝剂最佳用量为 0.3 mg/L，pH 值约为 6.0；膜分离可以进一步提高处理效果。在系统进水化学需氧量质量浓度为6.82~7.65 mg/L，氨氮质量浓度为0.78~0.92 mg/L，亚硝酸盐氮质量浓度为0.35~0.39 mg/L，硝酸盐氮质量浓度为2.49~3.07 mg/L，活性磷酸盐质量浓度为0.74~0.89 mg/L，水温为20~28℃时，混凝-膜过滤组合方法对养殖废水中5项指标的去除率分别为：75.6%、61.2%、82.9%、37.5%和59.1%。但总体而言，混凝-膜组合工艺在水产养殖废水应用中处理效果明显，具有可行性和实用性。

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