Biotechnology Letters

, Volume 18, Issue 8, pp 917–922

Improved treatment of tannery wastewater using Zoogloea ramigera and its extracellular polymer in an activated sludge process

  • Dae Hee Ahn
  • Yun Chul Chung
  • Young Je Yoo
  • Dae Won Pak
  • Won Seok Chang
Article

Summary

When Zoogloea ramigera and its extracellular polymer were daily added to the laboratory scale activated sludge reactor treating tannery wastewater, more than 15% of the COD concentration (COD; 151 mg/l) and 32% of the turbidity (NTU; 9.2) were removed compared with a controlled reactor (COD; 336 mg/l, NTU; 43.5) operated without any additions.

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Copyright information

© Chapman & Hall 1996

Authors and Affiliations

  • Dae Hee Ahn
    • 1
    • 2
  • Yun Chul Chung
    • 1
  • Young Je Yoo
    • 2
  • Dae Won Pak
    • 1
  • Won Seok Chang
    • 1
  1. 1.Environment Research Center, Korea Institute of Science and TechnologyCheongryang, SeoulKorea
  2. 2.Department of Chemical EngineeringSeoul National UniversitySeoulKorea

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