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Ma Hongrui, Zhao Ran, Lü Xiangfei, Zhao Xia. Separation characteristic of acrylic tanning agents in tannery wastewater by membrane[J]. Chinese Journal of Environmental Engineering, 2014, 8(3): 875-881.
Citation: Ma Hongrui, Zhao Ran, Lü Xiangfei, Zhao Xia. Separation characteristic of acrylic tanning agents in tannery wastewater by membrane[J]. Chinese Journal of Environmental Engineering, 2014, 8(3): 875-881.
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Separation characteristic of acrylic tanning agents in tannery wastewater by membrane

  • 1.

    College of Resource & Environment, Shaanxi University of Science & Technology, Xi'an 710021, China

  • 2.

    College of Chemistry & Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China

  • Received Date: 06/07/2013
    Accepted Date: 03/02/2013
    Available Online: 01/03/2014
    Fund Project:
  • The feasibility of the removal of acrylic tanning agent in tannery wastewater with ultrafiltration- reverse osmosis (UF-RO) technology was discussed in this research by testing the specific separating parameters of three targeted acrylic tanning agents respectively. The optimal separating condition for all the three acrylic tanning agents was at a sample concentration of 200 mg/L, at a operating pressure of 0.11 MPa for ultrafiltration and 0.4 MPa for reverse osmosis. We found that acrylic tanning agent would reduce the membrane permeating flux and consequently lower the volume of final clear liquid, which suggested that a proper pretreatment of the effluent should be necessary for a better performance when using membrane separation method to treat tannery wastewater. The presence of strong polar groups in acrylic tanning agent would bring difference on particle separating efficiency.
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Separation characteristic of acrylic tanning agents in tannery wastewater by membrane

  • Received Date: 06/07/2013
  • Accepted Date: 03/02/2013
  • Available Online: 01/03/2014
Fund Project:

Abstract: The feasibility of the removal of acrylic tanning agent in tannery wastewater with ultrafiltration- reverse osmosis (UF-RO) technology was discussed in this research by testing the specific separating parameters of three targeted acrylic tanning agents respectively. The optimal separating condition for all the three acrylic tanning agents was at a sample concentration of 200 mg/L, at a operating pressure of 0.11 MPa for ultrafiltration and 0.4 MPa for reverse osmosis. We found that acrylic tanning agent would reduce the membrane permeating flux and consequently lower the volume of final clear liquid, which suggested that a proper pretreatment of the effluent should be necessary for a better performance when using membrane separation method to treat tannery wastewater. The presence of strong polar groups in acrylic tanning agent would bring difference on particle separating efficiency.

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