DOI QR코드

DOI QR Code

Effects of Hydro-thermal Reaction Temperature on Anaerobic Biodegradability of Piggery Manure Hydrolysate

Kim, Ho;Jeon, Yong-Woo

  • 투고 : 2015.10.20
  • 심사 : 2015.11.03
  • 발행 : 2015.12.31

초록

In order to enhance a biogas production by the hydro-thermal pre-treatment of piggery manure, the effects of hydro-thermal reaction temperature at thermal hydrolysis of piggery manure on the methane potential and anaerobic biodegradability of thermal hydrolysate were analyzed. The increase of hydro-thermal reaction temperature from $170^{\circ}C$ to $220^{\circ}C$ caused the enhancement of hydrolysis efficiency, and most of organic matters were present in soluble forms. However, the methane potentials ($B_u-TCOD$) of hydrolysate were decreased from 0.239 to $0.188Nm^3kg^{-1}-TCOD_{added}$ by increasing hydro-thermal reaction temperature from $170^{\circ}C$ to $220^{\circ}C$, and also the anaerobic biodegradability (DTCOD) decreased from 74.6% to 58.6% with increase of hydro-thermal reaction temperature. The increase of hydro-thermal reaction temperature from $170^{\circ}C$ to $220^{\circ}C$ resulted in the decrease of easily biodegradable organic matter content, while persistent organic matter contents increased.

키워드

Piggery manure;Thermal hydrolysis;Anaerobic digestion;Parallel first order kinetics

참고문헌

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피인용 문헌

  1. Assessment of Methane Potential in Hydro-thermal Carbonization reaction of Organic Sludge Using Parallel First Order Kinetics vol.35, pp.2, 2016, https://doi.org/10.7745/KJSSF.2015.48.6.602
  2. Effects of Substrate to Inoculum Ratio on Biochemical Methane Potential in Thermal Hydrolysate of Poultry Slaughterhouse Sludge vol.35, pp.2, 2016, https://doi.org/10.7745/KJSSF.2015.48.6.602

과제정보

연구 과제번호 : 공동자원화시설 기반 에너지화 통합관리 및 확산 모델 개발