2010 Volume 4 Issue 6
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Tang Hai, Liu Guizhong, Yan Youbin. Treatment of strongly emulsified oil-bearing wastewater by modified fly ash and complex coagulant PSFA[J]. Chinese Journal of Environmental Engineering, 2010, 4(6): 1309-1312.
Citation: Tang Hai, Liu Guizhong, Yan Youbin. Treatment of strongly emulsified oil-bearing wastewater by modified fly ash and complex coagulant PSFA[J]. Chinese Journal of Environmental Engineering, 2010, 4(6): 1309-1312.
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Treatment of strongly emulsified oil-bearing wastewater by modified fly ash and complex coagulant PSFA

  • 1.

    School of Biological and Chemical Engineering，Anhui Polytechnic University，Wuhu 241000，China

  • 2.

    Beijing Municipal Research Institute of Environmental Protection，Beijing 100083，China

  • Received Date: 06/03/2010
    Accepted Date: 06/12/2009
    Fund Project:
  • Orthogonal experiment design was adopted to optimize the treatment of emulsion wastewater by modified fly ash and complex coagulant PSFA from fly ash. The result shows that while adding modified fly ash (25 g) and PSFA (6～8 g) into wastewater (500 mL) under a value of pH 7.0, and stirring for 10～15 min, the removal rate of COD and oil could reach to 85.4% and 50.3%, respectively. Comparing to the traditional method (CaCl2+PFS+PAM), this new process is more effective with better sedimentation rate and more economical running cost.
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Treatment of strongly emulsified oil-bearing wastewater by modified fly ash and complex coagulant PSFA

  • Received Date: 06/03/2010
  • Accepted Date: 06/12/2009
Fund Project:

Abstract: Orthogonal experiment design was adopted to optimize the treatment of emulsion wastewater by modified fly ash and complex coagulant PSFA from fly ash. The result shows that while adding modified fly ash (25 g) and PSFA (6～8 g) into wastewater (500 mL) under a value of pH 7.0, and stirring for 10～15 min, the removal rate of COD and oil could reach to 85.4% and 50.3%, respectively. Comparing to the traditional method (CaCl2+PFS+PAM), this new process is more effective with better sedimentation rate and more economical running cost.

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