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High solids all-inclusive polysaccharide hydrolysis of steam-exploded corn pericarp by periodic peristalsis
Khatun, M. H. A.1,2; Wang, Lan1; Chen, Hongzhang1
2020-10-15
Source PublicationCARBOHYDRATE POLYMERS
ISSN0144-8617
Volume246Pages:8
AbstractA new sequence of steam explosion (SE) with periodic peristalsis (PP) exploited to fractionate corn pericarp (CP), and its high solid cellulosic hydrolysis to increase sugar yield. In this investigation, the optimum SE-condition was 0.8 MPa/5 min., recovered around 12.62 % total sugars than untreated CP, whereas glucan and xylan digestibility reached around 97 % and 87 %, respectively. Besides that, the unground SECP conversion increased by 27.10 % glucan and 34.18 % xylan than the ground one. FE-SEM, FTIR, XRD results confirmed that SE significantly fractionated the amorphous substances that driven the increment of the crystallinity index. SE changed the functional groups without altering the lignin, and also the formation of degradations products was negligible and not detrimental to sugars conversion. An unpolluted SEPP enzymatic hydrolysis system at high solid loading (25 %) with compatible low cellulase dose (15 FPU g(-1) solids) was beneficial to intensified sugars conversion.
KeywordCorn pericarp Steam explosion Structural fractionation Physicochemical characterization Cellulase Periodic peristalsis hydrolysis system
DOI10.1016/j.carbpol.2020.116483
Language英语
WOS KeywordLIQUID HOT-WATER ; ENZYMATIC-HYDROLYSIS ; EXPLOSION PRETREATMENT ; FIBER ; STOVER ; FRACTIONATION ; FERMENTATION ; HEMICELLULOSES ; PERFORMANCE ; CONVERSION
Funding ProjectNational Key Research and Development Program of China[2019YFB1503805] ; Transformational Technologies for Clean Energy and Demonstration (Strategic Priority Research Program of the Chinese Academy of Sciences)[XDA 21060300] ; CAS-TWAS President's Fellowship Program for pH.D
WOS Research AreaChemistry ; Polymer Science
WOS SubjectChemistry, Applied ; Chemistry, Organic ; Polymer Science
Funding OrganizationNational Key Research and Development Program of China ; Transformational Technologies for Clean Energy and Demonstration (Strategic Priority Research Program of the Chinese Academy of Sciences) ; CAS-TWAS President's Fellowship Program for pH.D
WOS IDWOS:000554904300002
PublisherELSEVIER SCI LTD
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/41569
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Lan
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Biomass Refining Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Khatun, M. H. A.,Wang, Lan,Chen, Hongzhang. High solids all-inclusive polysaccharide hydrolysis of steam-exploded corn pericarp by periodic peristalsis[J]. CARBOHYDRATE POLYMERS,2020,246:8.
APA Khatun, M. H. A.,Wang, Lan,&Chen, Hongzhang.(2020).High solids all-inclusive polysaccharide hydrolysis of steam-exploded corn pericarp by periodic peristalsis.CARBOHYDRATE POLYMERS,246,8.
MLA Khatun, M. H. A.,et al."High solids all-inclusive polysaccharide hydrolysis of steam-exploded corn pericarp by periodic peristalsis".CARBOHYDRATE POLYMERS 246(2020):8.
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