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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.9
- 수록면
- 449 - 455 (7page)
이용수
초록· 키워드
오류제보하기
To investigate the effect of seaweed (SW) addition on anaerobic co-digestion of food waste (FW) and sewage sludge (SS), batch experiments were conducted at various substrate concentrations (2.5, 5.0, 7.5, and 10.0 g volatile solids (VS)/L) and mixing ratios ((FW or SS):SW = 100:0, 75:25, 50:50, 25:75, and 0:100 on a VS basis). The effect of SW addition on FW digestion was negligible at low substrate concentration, while it was substantial at high substrate concentrations by balancing the rate of acidogenesis and methanogenesis. At 10 g VS/L, CH₄ production yield was increased from 103 to 350 mL CH₄/g VS by SW addition (FW:SW = 75:25). On the other hand, SW addition to SS enhanced the digestion performance at all substrate concentrations, by providing easily biodegradable organics, which promoted the hydrolysis of SS. k<SUP>hyd</SUP> (hydrolysis constant) value was increased from 0.19 to 0.28 d<SUP>-1</SUP> by SW addition. The calculation showed that the synergistic CH₄ production increment by co-digesting with SW accounted for up to 24% and 20% of total amount of CH4 production in digesting FW and SS, respectively.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (35)
참고문헌 신청
Li K, Liu R, Sun C. Comparison of anaerobic digestion characteristics and kinetics of four livestock manures with different substrate concentrations. Bioresour. Technol. 2015;198:133-140.
Xie T, Xie S, Sivakumar M, Nghiem LD. Relationship between the synergistic/antagonistic effect of anaerobic co-digestion and organic loading. Int. Biodeterior. Biodegrad. 2017;124: 155-161.
Zhao J, Liu Y, Wang D, et al. Potential impact of salinity on methane production from food waste anaerobic digestion. Waste Manage. 2017a;67:308-314.
Feng Q, Lin Y. Integrated processes of anaerobic digestion and pyrolysis for higher bioenergy recovery from lignocellulosic biomass: A brief review. Renew. Sust. Energ. Rev. 2017;77: 1272-1287.
Zhang L, Jahng D. Long-term anaerobic digestion of food waste stabilized by trace elements. Waste Manage. 2012;32:1509-1515.
Xie T, Xie S, Sivakumar M, Nghiem LD. Relationship between the synergistic/antagonistic effect of anaerobic co-digestion and organic loading. Int. Biodeterior. Biodegrad. 2017;124: 155-161.
Zhao J, Liu Y, Wang D, et al. Potential impact of salinity on methane production from food waste anaerobic digestion. Waste Manage. 2017a;67:308-314.
Feng Q, Lin Y. Integrated processes of anaerobic digestion and pyrolysis for higher bioenergy recovery from lignocellulosic biomass: A brief review. Renew. Sust. Energ. Rev. 2017;77: 1272-1287.
Zhang L, Jahng D. Long-term anaerobic digestion of food waste stabilized by trace elements. Waste Manage. 2012;32:1509-1515.
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UCI(KEPA) : I410-ECN-0101-2019-539-000448541