Journal of Animal Environmental Science (한국축산시설환경학회지)

The Korean Society of Animal Environmental Science & Technology (한국축산환경학회)
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Application of the Thermophilic Aerobic Oxidation (TAO) System to Anaerobic Digestate Stabilization in Korea

혐기소화액의 고온호기산화 공정 적용에 관한 연구

  • Kim, Soo-Ryang (Dept. of Animal Life Resource, Sangji University) ;
  • Kim, Ha-Je (Dept. of Environmental Engineering, Sangji University) ;
  • Nizel, Halder Joshua (Dept. of Environmental Engineering, Sangji University) ;
  • Rhee, Ji-Hae (Dept. of Environmental Engineering, Sangji University) ;
  • Shin, Myoung-Chul (Dept. of Environmental Engineering, Sangji University) ;
  • Kim, Tae-Ha (Dept. of New Energy Resource Engineering, Sangji University) ;
  • Lee, Myung-Gyu (Dept. of Environmental Engineering, Sangji University)
  • Received : 2015.03.10
  • Accepted : 2015.03.22
  • Published : 2015.03.30
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Abstract

We studied the possibility on the application of the Thermophilic Aerobic Oxidation (TAO) process to anaerobic digestate stabilization. In treating digestate with TAO reactor the internal temperature of the reactor was increasing higher and $51^{\circ}C$ and over was maintained after 6 days on. The physiochemical compositions of liquids increased from pH 8.1 to 9.8 and EC decreased from 29.8 to 12.0 mS/cm in treating process of digestate with TAO reactor. CODcr decreased from 22,654 to 18,843 mg/L, showed about 16.82% of remove efficiency. TN and $NH_4-N$ decreased from 4,813 to 1,733 mg/L, from 3,815 to 812 mg/L respectively, which showed about 64.0% and 78.7% of removal efficiency respectively.

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References

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