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Ammonium exchange and bioregeneration of bio-flocculated zeolite in a sequencing batch reactor

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Abstract

Natural zeolite was added to the sequencing batch reactors to assess its role in ammonium exchange. Even though the biofilm was fully developed on the zeolite surface, ammonium removal and the biological regeneration of the zeolite occurred constantly during the anoxic-fill phase and the reaction phase, respectively. However, the specific nitrification rate of the bio-flocculated zeolite was lower than that observed in the control on account of the limited ammonium release to the liquid phase.

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Authors and Affiliations

  1. Water Environment Research Center, Korea Institute of Science and Technology, P.O.Box 131, Cheongryang, Seoul , 130-650, Korea

    Jin-Young Jung, Daewon Pak, Yun-Chul Chung & Sang-Min Lee

  2. Department of Civil Engineering, Korea Advanced Institute of Science and Technology, 373-1, Kusong-Dong, Yusong-Gu, Taejon, 305-701, Korea

    Hang-Sik Shin

Authors
  1. Jin-Young Jung
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  2. Daewon Pak
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  3. Hang-Sik Shin
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  4. Yun-Chul Chung
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  5. Sang-Min Lee
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Jung, JY., Pak, D., Shin, HS. et al. Ammonium exchange and bioregeneration of bio-flocculated zeolite in a sequencing batch reactor. Biotechnology Letters 21, 289–292 (1999). https://doi.org/10.1023/A:1005416211504

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  • DOI: https://doi.org/10.1023/A:1005416211504

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