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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제26권 제4호
- 발행연도
- 2016.1
- 수록면
- 739 - 747 (9page)
이용수
초록· 키워드
오류제보하기
The rational utilization of crop straw as a raw material for natural gas production is of economic significance. In order to increase the efficiency of biogas production from agricultural straw, seasonal restrictions must be overcome. Therefore, the potential for biogas production via anaerobic straw digestion was assessed by exposing fresh, silage, and dry yellow corn straw to cow dung liquid extract as a nitrogen source. The characteristics of anaerobic corn straw digestion were comprehensively evaluated by measuring the pH, gas production, chemical oxygen demand, methane production, and volatile fatty acid content, as well as applying a modified Gompertz model and high-throughput sequencing technology to the resident microbial community. The efficiency of biogas production from fresh straw (433.8 ml/g) was higher than that of production from straw silage and dry yellow straw (46.55 ml/g and 68.75 ml/g, respectively). The cumulative biogas production from fresh straw, silage straw, and dry yellow straw was 365 l-1 g-1 VS, 322 l-1 g-1 VS, and 304 l-1 g-1 VS, respectively, whereas cumulative methane production was 1,426.33%, 1,351.35%, and 1,286.14%, respectively, and potential biogas production was 470.06 ml-1 g-1 VS, 461.73 ml-1 g-1 VS, and 451.76 ml-1 g-1 VS, respectively. Microbial community analysis showed that the corn straw was mainly metabolized by acetate-utilizing methanogens, with Methanosaeta as the dominant archaeal community. These findings provide important guidance to the biogas industry and farmers with respect to rational and efficient utilization of crop straw resources as material for biogas production.
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참고문헌 (31)
참고문헌 신청
Amon T / 2007 / Methane production through anaerobic digestion of various energy crops grown in sustainable crop rotations / Bioresour. Technol 98:3204~3212
Cho SK / 2013 / Dry anaerobic digestion of food waste under mesophilic conditions: performance and methanogenic community analysis / Bioresour. Technol 131:210~217
Collins G / 2005 / Distribution, localization, and phylogeny of abundant populations of Crenarchaeota in anaerobic granular sludge / Appl. Environ. Microbiol 71:7523~7527
Frank KL / 2013 / Characterizing the distribution and rates of microbial sulfate reduction at Middle Valley hydrothermal vents / ISME J 7:1391~1401
Gao, Ruifang / 2012 / Performance and Spatial Succession of a Full-Scale Anaerobic Plant Treating High-Concentration Cassava Bioethanol Wastewater / Journal of Microbiology and Biotechnology 22(8):1148~1154
Cho SK / 2013 / Dry anaerobic digestion of food waste under mesophilic conditions: performance and methanogenic community analysis / Bioresour. Technol 131:210~217
Collins G / 2005 / Distribution, localization, and phylogeny of abundant populations of Crenarchaeota in anaerobic granular sludge / Appl. Environ. Microbiol 71:7523~7527
Frank KL / 2013 / Characterizing the distribution and rates of microbial sulfate reduction at Middle Valley hydrothermal vents / ISME J 7:1391~1401
Gao, Ruifang / 2012 / Performance and Spatial Succession of a Full-Scale Anaerobic Plant Treating High-Concentration Cassava Bioethanol Wastewater / Journal of Microbiology and Biotechnology 22(8):1148~1154
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