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Liang Fei, Li Duosong, Chen Fangyan, Huang Xiaopei. Research of coagulation of NBR wastewater with chitosan[J]. Chinese Journal of Environmental Engineering, 2009, 3(11): 2009-2012.
Citation: Liang Fei, Li Duosong, Chen Fangyan, Huang Xiaopei. Research of coagulation of NBR wastewater with chitosan[J]. Chinese Journal of Environmental Engineering, 2009, 3(11): 2009-2012.
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Research of coagulation of NBR wastewater with chitosan

  • 3.

    School of Biological and Environmental Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018,China

  • Received Date: 10/01/2009
    Accepted Date: 12/11/2008
    Fund Project:
  • By orthogonal experiment of L9(34),the optimum conditions of the coagulation experiment were confirmed about concentration of chitosan,pH of wastewater,agitation rate and falling period.The results show that removal rate of COD reached 96.7% when the dosage of chitosan was 100 mg/L,pH was 6,stirring rate was 200 r/min and settling time was 5 min. COD of the effluent was reduced to 276 mg/L,which met the national three-level effluent standard.
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Research of coagulation of NBR wastewater with chitosan

  • Received Date: 10/01/2009
  • Accepted Date: 12/11/2008
Fund Project:

Abstract: By orthogonal experiment of L9(34),the optimum conditions of the coagulation experiment were confirmed about concentration of chitosan,pH of wastewater,agitation rate and falling period.The results show that removal rate of COD reached 96.7% when the dosage of chitosan was 100 mg/L,pH was 6,stirring rate was 200 r/min and settling time was 5 min. COD of the effluent was reduced to 276 mg/L,which met the national three-level effluent standard.

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