Improved treatment of tannery wastewater using Zoogloea ramigera and its extracellular polymer in an activated sludge process
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- Ahn, D.H., Chung, Y.C., Yoo, Y.J. et al. Biotechnol Lett (1996) 18: 917. doi:10.1007/BF00154621
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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.