Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Study on the Removal of Fluorescent Whitening Agent for Paper-mill Wastewater Reuse using the Submerged Membrane Bioreactor(SMBR) with Ozone Oxidation Process

제지폐수 재이용을 위한 침지형 생물막 여과와 오존산화공정(SMBR-Ozone Oxidation Process)에 의한 형광증백제 제거에 관한 연구

  • Choi, Jang-Seung (Environmental Technology Team, Korea Dyeing and Finishing Technology Institute(DYETEC)) ;
  • Shin, Dong-Hun (Environmental Technology Team, Korea Dyeing and Finishing Technology Institute(DYETEC)) ;
  • Ryu, Seung-Han (Environmental Technology Team, Korea Dyeing and Finishing Technology Institute(DYETEC)) ;
  • Lee, Jae-Hun (MOORIM SP Co., Ltd) ;
  • Ryu, Jae-Young (Department of Environmental Engineering, Kyungnam University) ;
  • Shin, Won-Sik (Department of Environmental Engineering, Kyungpook National University) ;
  • Lee, Seul-Ki (R&D, Econity Co., Ltd.) ;
  • Park, Min-Soo (R&D, Econity Co., Ltd.) ;
  • Lee, Sang Oh (Department of Clothing and Fashion, Yeungnam University)
  • Received : 2017.11.29
  • Accepted : 2018.01.08
  • Published : 2018.03.27
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Abstract

In this study, effluent water was produced through Submerged Membrane Bio-Reactor(SMBR) process, which is a simple system and decomposes organic matter contained in wastewater with biological treatment process and performs solid-liquid separation, Especially, ozone oxidation treatment process is applied to effluent water containing fluorescent whitening agent, which is a trace pollutant which is not removed by biological treatment, and influences the quality of reused water. The concentration of $COD_{Cr}$ in the SMBR was $449.3mg/{\ell}-COD_{Cr}$, and the concentration of permeate water was $100.3mg/{\ell}-COD_{Cr}$. The removal efficiency was about 70.1%. The amount of ozone required for the removal of the fluorescent whitening agent in the permeated water in SMBR was $6.67g-O_3/min$, and the amount of ozone required to remove $COD_{Mn}$ relative to the permeate water was calculated to remove $0.997mg-COD_{Mn}$ for 1mg of $O_3$.

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References

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