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A two-stage pretreatment process using dilute hydrochloric acid followed by Fenton oxidation to improve sugar recovery from corn stover
Li, Wenzhi1; Liu, Qiyu1; Ma, Qiaozhi1; Zhang, Tingwei1; Ma, Longlong2; Jameel, Hasan3; Chang, Hou-min3
2016-11-01
Source PublicationBIORESOURCE TECHNOLOGY
Volume219Pages:753-756
AbstractA two-stage pretreatment process is proposed in this research in order to improve sugar recovery from corn stover. In the proposed process, corn stover is hydrolyzed by dilute hydrochloric acid to recover xylose, which is followed by a Fenton reagent oxidation to remove lignin. 0.7 wt% dilute hydrochloric acid is applied in the first stage pretreatment at 120 degrees C for 40 min, resulting in 81.0% xylose removal. Fenton reagent oxidation (1 g/L FeSO4 center dot 7H(2)O and 30 g/L H2O2) is performed at room temperature (about 20 degrees C) for 12 has a second stage which resulted in 32.9% lignin removal. The glucose yield in the subsequent enzymatic hydrolysis was 71.3% with a very low cellulase dosage (3 FPU/g). This two-stage pretreatment is effective due to the hydrolysis of hemicelluloses in the first stage and the removal of lignin in the second stage, resulting in a very high sugar recovery with a low enzyme loading. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordCorn Stover Pretreatment Dilute Acid Fenton Oxidation Enzymatic Hydrolysis
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2016.08.025
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordENZYMATIC-HYDROLYSIS ; LIGNOCELLULOSIC BIOMASS ; CELLULOSE ; SACCHARIFICATION
Indexed BySCI
Language英语
Funding OrganizationNational Key Technology R&D Program of China(2015BAD15B06) ; National Basic Research Program of China(2012CB215302) ; Science and Technological Fund of Anhui Province for Outstanding Youth(1508085J01)
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000384711900090
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/13960
Collection中国科学院广州能源研究所
Affiliation1.Univ Sci & Technol China, Dept Thermal Sci & Energy Engn, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510650, Guangdong, Peoples R China
3.North Carolina State Univ, Dept Forest Biomat, Raleigh, NC 27695 USA
Recommended Citation
GB/T 7714
Li, Wenzhi,Liu, Qiyu,Ma, Qiaozhi,et al. A two-stage pretreatment process using dilute hydrochloric acid followed by Fenton oxidation to improve sugar recovery from corn stover[J]. BIORESOURCE TECHNOLOGY,2016,219:753-756.
APA Li, Wenzhi.,Liu, Qiyu.,Ma, Qiaozhi.,Zhang, Tingwei.,Ma, Longlong.,...&Chang, Hou-min.(2016).A two-stage pretreatment process using dilute hydrochloric acid followed by Fenton oxidation to improve sugar recovery from corn stover.BIORESOURCE TECHNOLOGY,219,753-756.
MLA Li, Wenzhi,et al."A two-stage pretreatment process using dilute hydrochloric acid followed by Fenton oxidation to improve sugar recovery from corn stover".BIORESOURCE TECHNOLOGY 219(2016):753-756.
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