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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
- 2020.10
- 수록면
- 668 - 676 (9page)
이용수
초록· 키워드
오류제보하기
The characteristics of feedstock are important to the biocatalyst-based processes. Herein the effect of ensiling and alkaline pretreatment on acidification of Napier grass in anaerobic leached bed reactors was investigated. The results depicted clearly that grass preparation affected its chemical properties and leaching ability differently. After pretreatment in 3.0% of NaOH, lignin was reduced significantly by 50.1% to 68.0%, while less deterioration was found for ensiling. About 18.9% to 54.1% of the produced soluble chemical oxygen demand (SCOD) of these biomasses was increased subsequently compared to 0.102 ㎏ SCOD or 0.56 ㎏ SCOD/㎏ VSadded of raw grass digestion. However, about 3.3% of SCOD was reduced after the ensiling. An extension of biomass soaking time and heat supplementation under alkali-thermal conditions of raw grass promoted more production of SCOD for 18.9% to 29.9% and 54.1%, respectively. While about 45.5% to 54.4% of SCOD was increased for alkali-thermal pretreated residue. The solid content and lignocelluloses were changed differently and accordingly with treatment conditions. Similar profiles of leachates contained mainly acetic acid were obtained. These results confirm the beneficial application of alkaline soaking and ensiling as a pretreatment method to enhance the solubilization of grass biomass under the leached bed acidification process.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (28)
참고문헌 신청
Sawatdeenarunat C, Surendra KC, Takara D, Oechsner H, Khanal SK. Anaerobic digestion of lignocellulosic biomass: challenges and opportunities. Bioresour. Technol. 2015;178:178-186.
Appels L, Baeyens J, Degreve J, Dewil R. Principles and potential of the anaerobic digestion of waste activated sludge. Prog. Energy. Combust. Sci. 2008;34:755-781.
Pohland FG, Ghosh S. Developments in anaerobic stabilization of organic wastes: The two-phase concept. Environ. Lett. 1971;1:255-266.
Xie S, Lawlor PG, Frost JP, Wu G, Zhan X. Hydrolysis and acidification of grass silage in leaching bed reactors. Bioresour. Technol. 2012;114:406-413.
Krishania M, Kumar V, Vijay VK, Malik A. Analysis of different techniques used for improvement of biomethanation process: A review. Fuel 2013;106:1-9.
Appels L, Baeyens J, Degreve J, Dewil R. Principles and potential of the anaerobic digestion of waste activated sludge. Prog. Energy. Combust. Sci. 2008;34:755-781.
Pohland FG, Ghosh S. Developments in anaerobic stabilization of organic wastes: The two-phase concept. Environ. Lett. 1971;1:255-266.
Xie S, Lawlor PG, Frost JP, Wu G, Zhan X. Hydrolysis and acidification of grass silage in leaching bed reactors. Bioresour. Technol. 2012;114:406-413.
Krishania M, Kumar V, Vijay VK, Malik A. Analysis of different techniques used for improvement of biomethanation process: A review. Fuel 2013;106:1-9.
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UCI(KEPA) : I410-ECN-0101-2020-539-000465329