2010 Volume 4 Issue 12
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Liu Lijuan, Li Tielong, Jin Zhaohui. Experimental study on purifying silica fume[J]. Chinese Journal of Environmental Engineering, 2010, 4(12): 2879-2882.
Citation: Liu Lijuan, Li Tielong, Jin Zhaohui. Experimental study on purifying silica fume[J]. Chinese Journal of Environmental Engineering, 2010, 4(12): 2879-2882.
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Experimental study on purifying silica fume

  • 1.

    College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China；2.Key Laboratory of Pollution Processes and Environmental Crieria,Ministry of Education, Nankai University, Tianjin 300071, China

  • Received Date: 06/04/2010
    Accepted Date: 26/10/2009
    Fund Project:
  • The purification of silica fume by selective flocculation method was studied. The effects of the floatation agent dosage, dispersants, pH and deposition times on the separation efficiency were investigated. When the dosage of sodium oleate was 1 824 g/t, the dosage of PVP was 80 g/t, the system pH was 5.3, and the residence time was 50 min, the purification effect was best.The silica content of the fume arose from 74% to 90.9%.
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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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Experimental study on purifying silica fume

  • Received Date: 06/04/2010
  • Accepted Date: 26/10/2009
Fund Project:

Abstract: The purification of silica fume by selective flocculation method was studied. The effects of the floatation agent dosage, dispersants, pH and deposition times on the separation efficiency were investigated. When the dosage of sodium oleate was 1 824 g/t, the dosage of PVP was 80 g/t, the system pH was 5.3, and the residence time was 50 min, the purification effect was best.The silica content of the fume arose from 74% to 90.9%.

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