한국축산시설환경학회지 (Journal of Animal Environmental Science)

한국축산환경학회 (The Korean Society of Animal Environmental Science & Technology)
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구제역 긴급행동지침(SOP)상의 화학처리방법으로 처리된 양돈분뇨의 고온호기산화공정 적용 연구

The Effect of NaOH treatment-Citric acid neutralization of Korean Standard Operating Procedure (SOP) on Physicochemical Compositions of Domestic Swine Excrement for the Connection to Thermophilic Aerobic Oxidation (TAO)

  • 투고 : 2013.10.24
  • 심사 : 2013.12.18
  • 발행 : 2013.12.30
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초록

We planned to study how the chemical disposal designed by SOP can affect on physicochemical compositions of the livestock excrement. According to Livestock Manure Management Scheme, we experimented in two steps; the first step, NaOH treatment-Citric acid neutralization, and then the second procedure, Thermophilic Aerobic Oxidation (TAO) system. Physicochemical compositions of the 3-days-old samples after NaOH treatment were pH 10.31, EC 24.54 mS/cm, SCOD 3,022 mg/L, T-N 4,315 mg/L, $NH{_4}^+-N$ 1,960 mg/L, and not detected E. coli.. And those of one-day-old samples after citric acid neutralization were pH 7.36, EC 32.89 mS/cm, $SCOD_{Mn}$ 12,733 mg/L, T-N 4,787 mg/L, $NH{_4}^+-N$ 2,450 mg/L, and E. coli. not detected. In contrast, the physicochemical compositions of the treatment plots after the second treatment with TAO system (72hr) were pH 9.42 EC 24.21 mS/cm, $SCOD_{Mn}$ 3,660 mg/L, T-N 3,616 mg/L, $NH{_4}^+-N$ 1,190 mg/L, and no detection of E. coli.

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피인용 문헌

  1. Application of the Thermophilic Aerobic Oxidation (TAO) System to Anaerobic Digestate Stabilization in Korea vol.21, pp.1, 2015, https://doi.org/10.11109/JAES.2015.21.1.21