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Sequential bioethanol and biogas production from sugarcane bagasse based on high solids fed-batch SSF
Liu, Yunyun1,2; Xu, Jingliang2; Zhang, Yu2; Yuan, Zhenhong2; He, Minchao2; Liang, Cuiyi2; Zhuang, Xinshu2; Xie, Jun1
2015-10-01
Source PublicationENERGY
Volume90
AbstractSugars released from alkali-pretreated SCB (sugarcane bagasse) were used for biofuel (bioethanol and biogas) production based on a high-solids fed-batch SSF (simultaneous saccharification and fermentation) process with delayed inoculation (DSSF). A DSSF process with 24 h delayed inoculation increased the ethanol production rate by eliminating glucose inhibition in the early stages of fermentation, and shortened the duration of the process. Increasing solids loading from 18 to 36% (w/v) enhanced glucose concentration, while ethanol conversion efficiency was decreased. Gradual feeding of the hydrolyzed medium could improve the DSSF process. DSSF, with batch feeding mode, achieved as high as 68.047 g/L (74.13% of theoretical yield) ethanol concentration with 30% (w/v) solids loading at 96 h. After evaporation, the residual stillage obtained 306.974 mL/g volatile solids (VS) methane through anaerobic digestion. Sequential bioethanol and biogas production improved the yield of utilized biomass. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordSugarcane Bagasse High Solid Ssf Fed-batch Bioethanol Biogas
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2015.06.066
WOS Subject ExtendedThermodynamics ; Energy & Fuels
WOS KeywordENZYMATIC-HYDROLYSIS ; ETHANOL-PRODUCTION ; SIMULTANEOUS SACCHARIFICATION ; LIGNOCELLULOSIC MATERIALS ; CORN STOVER ; WHEAT-STRAW ; FERMENTATION ; OPTIMIZATION ; PRETREATMENT ; LOADINGS
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Energy & Fuels
WOS IDWOS:000364248100112
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10887
Collection中国科学院广州能源研究所
Affiliation1.South China Agr Univ, Inst New Energy & New Mat, Guangzhou 510642, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Liu, Yunyun,Xu, Jingliang,Zhang, Yu,et al. Sequential bioethanol and biogas production from sugarcane bagasse based on high solids fed-batch SSF[J]. ENERGY,2015,90.
APA Liu, Yunyun.,Xu, Jingliang.,Zhang, Yu.,Yuan, Zhenhong.,He, Minchao.,...&Xie, Jun.(2015).Sequential bioethanol and biogas production from sugarcane bagasse based on high solids fed-batch SSF.ENERGY,90.
MLA Liu, Yunyun,et al."Sequential bioethanol and biogas production from sugarcane bagasse based on high solids fed-batch SSF".ENERGY 90(2015).
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