2009 Volume 3 Issue 11
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Li Dongwei, Lan Tian, Gao Xianping. Pretreatment of fermentation mother liquid of monosodium glutamate by microelectrolysis-flocculation[J]. Chinese Journal of Environmental Engineering, 2009, 3(11): 1977-1980.
Citation: Li Dongwei, Lan Tian, Gao Xianping. Pretreatment of fermentation mother liquid of monosodium glutamate by microelectrolysis-flocculation[J]. Chinese Journal of Environmental Engineering, 2009, 3(11): 1977-1980.
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Pretreatment of fermentation mother liquid of monosodium glutamate by microelectrolysis-flocculation

  • 1.

    College of Resource and Environmental Science，Chongqing University， Chongqing 400030，China；2.Key Laboratory of the Exploitation of Southwest Resources & the Environmental Hazards Control Engineering，Ministry of Education，Chongqing University,Chongqin

  • Received Date: 05/12/2008
    Accepted Date: 01/11/2008
    Fund Project:
  • Fermentation mother liquid of monosodium L-glutamate wastewater has very high COD concentration. In order to reduce organic load in the subsequent bio-treatments, a study of pretreatment using microelectrolysisflocculation was carried out. The experiment investigated the influences of pH,Fe/C and reaction temperatures on COD removal rate and an orthogonal test was carried out to search the optimum experimental conditions. The result indicated that aerating can observably increase COD removal rate; the optimal reaction parameter were: initial pH=2, outflow pH=9, Fe/C=0.5, reaction time=3 h, average COD removal rate can attain to 48.7% under the optimal conditions.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Pretreatment of fermentation mother liquid of monosodium glutamate by microelectrolysis-flocculation

  • Received Date: 05/12/2008
  • Accepted Date: 01/11/2008
Fund Project:

Abstract: Fermentation mother liquid of monosodium L-glutamate wastewater has very high COD concentration. In order to reduce organic load in the subsequent bio-treatments, a study of pretreatment using microelectrolysisflocculation was carried out. The experiment investigated the influences of pH,Fe/C and reaction temperatures on COD removal rate and an orthogonal test was carried out to search the optimum experimental conditions. The result indicated that aerating can observably increase COD removal rate; the optimal reaction parameter were: initial pH=2, outflow pH=9, Fe/C=0.5, reaction time=3 h, average COD removal rate can attain to 48.7% under the optimal conditions.

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