2010 Volume 4 Issue 11
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Chang Fan, Chen Li, Chen Liang, Tian Yingtian, Chen Wuling. Study on biodegradation of hydrolyzed polyacrylamide in polymer flooding produced wastewater[J]. Chinese Journal of Environmental Engineering, 2010, 4(11): 2466-2472.
Citation: Chang Fan, Chen Li, Chen Liang, Tian Yingtian, Chen Wuling. Study on biodegradation of hydrolyzed polyacrylamide in polymer flooding produced wastewater[J]. Chinese Journal of Environmental Engineering, 2010, 4(11): 2466-2472.
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Study on biodegradation of hydrolyzed polyacrylamide in polymer flooding produced wastewater

  • 1.

    Life Sciences Institute, Northwest University, Xi’an 710069, China

  • 2.

    Bio-Engineering Institute, Henan Industrial University, Zhengzhou 450001, China

  • 3.

    CNPC Changqing Oilfield Company No. 1 Gas Plant, Jingbian 718500, China

  • Received Date: 07/12/2009
    Accepted Date: 17/09/2009
    Fund Project:
  • The effect of 2 hydrolyzed polyacrymide (HPAM)for degrading bacteria was studied in polyacrylamide. HPAM degrading bacteria CJ419 and Bacillus subtilis FA16 cultured in wastewater at 30℃. Bacterial biomass and HPAM degradation rate were investigated. After 30 d CJ419 and FA16 maximum polyacrymide degrading rates were 30.4% and 25%, respectively. Mixed bacteria reached the maximum degradation rate of 80.3%. Biochemical mechanism of degrading HPAM is that HPAM is hydrolyzed into small molecules by extracellular enzyme. Degrading bacteria also release non-protein inducing substances to participate in HPAM degradation.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study on biodegradation of hydrolyzed polyacrylamide in polymer flooding produced wastewater

  • Received Date: 07/12/2009
  • Accepted Date: 17/09/2009
Fund Project:

Abstract: The effect of 2 hydrolyzed polyacrymide (HPAM)for degrading bacteria was studied in polyacrylamide. HPAM degrading bacteria CJ419 and Bacillus subtilis FA16 cultured in wastewater at 30℃. Bacterial biomass and HPAM degradation rate were investigated. After 30 d CJ419 and FA16 maximum polyacrymide degrading rates were 30.4% and 25%, respectively. Mixed bacteria reached the maximum degradation rate of 80.3%. Biochemical mechanism of degrading HPAM is that HPAM is hydrolyzed into small molecules by extracellular enzyme. Degrading bacteria also release non-protein inducing substances to participate in HPAM degradation.

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