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Absorption of ethanol by steam-exploded corn stalk
Fei, Chi1,2; Chen Hongzhang1; Chen, HZ
2009-02-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume100Issue:3Pages:1315-1318
AbstractThe aim of this work is to study the feasibility of using a low-cost biomass absorbent steam-exploded corn stalk (SECS) to absorb ethanol in its production by fermentation. Measurement of many the physical properties of SECS showed its specific surface area was about 214 m(2)/g and it had a good structure for absorption. Some influencing parameters of using SECS to absorb ethanol in water were studied. Second-order and parabolic diffusion equations excellently described the kinetics of absorption for ethanol. Its absorption isotherm was well described by an improved BET equation, indicating that it was a process of polymolecular layer absorption and had phenomena similar to capillary coacervation. Mesh size did not significantly affect absorptivity, but absorbency decreased with temperature. Absorptivity of SECS for ethanol was compared to that of other absorbents: at 30 degrees C and 5% initial ethanol, the absorptivity of SECS for ethanol at 5 h was 92 mg/g. When inactivated through use, SECS can continue to be used as an substrate to produce more ethanol, thus avoiding pollution through discarding. (C) 2008 Elsevier Ltd. All rights reserved.
KeywordSteam Explosion Corn Stalk Cellulose Absorbent Ethanol
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2008.08.009
Indexed BySCI
Language英语
WOS KeywordWHEAT-STRAW ; REMOVAL ; WASTE ; DYES
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000261569100043
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6730
Collection生化工程国家重点实验室
Corresponding AuthorChen, HZ
Affiliation1.Chinese Acad Sci, Natl Key Lab Biochem Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Fei, Chi,Chen Hongzhang,Chen, HZ. Absorption of ethanol by steam-exploded corn stalk[J]. BIORESOURCE TECHNOLOGY,2009,100(3):1315-1318.
APA Fei, Chi,Chen Hongzhang,&Chen, HZ.(2009).Absorption of ethanol by steam-exploded corn stalk.BIORESOURCE TECHNOLOGY,100(3),1315-1318.
MLA Fei, Chi,et al."Absorption of ethanol by steam-exploded corn stalk".BIORESOURCE TECHNOLOGY 100.3(2009):1315-1318.
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