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Comparison of dry and wet milling pre-treatment methods for improving the anaerobic digestion performance of the Pennisetum hybrid
Dong Pengyu1,2; Li Lianhua1; Zhen Feng1; Kong Xiaoying1; Sun Yongming1; Zhang Yi1,2
2017
发表期刊RSC ADVANCES
卷号7期号:21页码:12610-12619
摘要Two types of milling pre-treatment methods were used to study their effects on the anaerobic digestion performance of the Pennisetum hybrid. The physical structure of the Pennisetum hybrid could be significantly damaged with both milling pre-treatment methods. With an increase in treatment time, the pore volume, surface area, average pore diameter, and the crystallization index of the Pennisetum hybrid increased gradually. The anaerobic fermentation test showed that, among the dry and wet milling pre-treatments, the highest specific methane yield was obtained at 3 h dry milling pre-treated (358.07 mL g(-1) VS) and 6 h wet milling pre-treated grass (315.87 mL g(-1)), which was 41.04% and 24.42% higher than that of the untreated Pennisetum hybrid (253.88 mL g(-1) VS). The median diameter (D50) of the Pennisetum hybrid was 25.28% and 22.36% lower than that of the untreated Pennisetum hybrid after 3 h dry and 6 h wet milling pre-treatment. After wet milling pre-treatment, the fluidity of the Pennisetum hybrid was much better than conventional "smashing" pre-treatment, which may make feeding easier in large-scale biogas projects. Good fluidity and optimization of the degree of milling pre-treatment could, therefore, be applied on an industrial scale in the future.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
资助者Science and Technology Service Network Initiative(KFJ-Ew-STS-138) ; National Science and Technology Support Program: Key technology and engineering demonstration of lignocellulosic biomass energy conversion(2013BAD22B03) ; Science and Technology Service Network Initiative(KFJ-Ew-STS-138) ; National Science and Technology Support Program: Key technology and engineering demonstration of lignocellulosic biomass energy conversion(2013BAD22B03)
DOI10.1039/c6ra27822a
研究领域[WOS]Chemistry
关键词[WOS]WASTE ACTIVATED-SLUDGE ; BIOGAS PRODUCTION ; METHANE PRODUCTION ; PARTICLE-SIZE ; DEGRADATION ; CELLULOSE ; IMPACT ; DISINTEGRATION ; HYDROLYSIS ; DISPERSER
收录类别SCI
语种英语
资助者Science and Technology Service Network Initiative(KFJ-Ew-STS-138) ; National Science and Technology Support Program: Key technology and engineering demonstration of lignocellulosic biomass energy conversion(2013BAD22B03) ; Science and Technology Service Network Initiative(KFJ-Ew-STS-138) ; National Science and Technology Support Program: Key technology and engineering demonstration of lignocellulosic biomass energy conversion(2013BAD22B03)
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000395934500022
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/14072
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, CAS Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Dong Pengyu,Li Lianhua,Zhen Feng,et al. Comparison of dry and wet milling pre-treatment methods for improving the anaerobic digestion performance of the Pennisetum hybrid[J]. RSC ADVANCES,2017,7(21):12610-12619.
APA Dong Pengyu,Li Lianhua,Zhen Feng,Kong Xiaoying,Sun Yongming,&Zhang Yi.(2017).Comparison of dry and wet milling pre-treatment methods for improving the anaerobic digestion performance of the Pennisetum hybrid.RSC ADVANCES,7(21),12610-12619.
MLA Dong Pengyu,et al."Comparison of dry and wet milling pre-treatment methods for improving the anaerobic digestion performance of the Pennisetum hybrid".RSC ADVANCES 7.21(2017):12610-12619.
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