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Relations between substrate morphological change and oxygen transfer in solid-state fermentation (SSF) using Penicillium decumbens JUA10
Alternative TitleJ. Chem. Technol. Biotechnol.
Wang, Lan1; Liu, Zhihua1,2; Duan, Yingyi1; Chen, Hongzhang1
2014-10-01
Source PublicationJOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
ISSN0268-2575
Volume89Issue:10Pages:1582-1589
AbstractBACKGROUNDSubstrate morphological change caused by microbial growth should affect oxygen transfer and hence solid-state fermentation (SSF) performance. Relationships between substrate morphological change caused by fungi growth and oxygen transfer in solid-state substrate were investigated based on porous media theory using fractal dimensions. RESULTSThe fungi biomass and oxygen diffusion rate in solid state fermentation followed the order 85%>75%>65% for moisture content experiments and 0.4 cm>1.5 cm>4.0 cm for particle length experiments, respectively, while permeability showed the opposite trends. Oxygen diffusion rate and permeability decreased as fermentation time was varied from 12 h to 48 h, and then increased with fermentation progress, which was consistent with the fractal dimension. Results indicated that fungi biomass, oxygen diffusion rate, and substrate permeability can be effectively expressed by a fractal dimension. CONCLUSIONCombining the kinetic model of permeability and fractal-oxygen exponential model analysis, oxygen transfer was closely related with substrate morphological change expressed by fractal dimension in solid-state fermentation of steam exploded rice straw using Penicillium decumbensJUA10. Thus, oxygen transfer expressed by a fractal dimension should be a more convenient way in solid-state fermentation. (c) 2014 The Authors. Journal of Chemical Technology & Biotechnology published by JohnWiley & Sons Ltd on behalf of Society of Chemical Industry.; BACKGROUNDSubstrate morphological change caused by microbial growth should affect oxygen transfer and hence solid-state fermentation (SSF) performance. Relationships between substrate morphological change caused by fungi growth and oxygen transfer in solid-state substrate were investigated based on porous media theory using fractal dimensions.
KeywordSolid-state Fermentation Substrate Morphological Oxygen Diffusion Substrate Permeability Fractal Dimension Penicillium Decumbens Jua10
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences ; Technology
DOI10.1002/jctb.4334
URL查看原文
Indexed BySCI
Language英语
WOS KeywordSTEAM EXPLOSION PRETREATMENT ; FUNGAL BIOMASS ; CORN STOVER ; DENSITY ; WATER
WOS Research AreaBiotechnology & Applied Microbiology ; Chemistry ; Engineering
WOS SubjectBiotechnology & Applied Microbiology ; Chemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000341764500016
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11655
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Lan,Liu, Zhihua,Duan, Yingyi,et al. Relations between substrate morphological change and oxygen transfer in solid-state fermentation (SSF) using Penicillium decumbens JUA10[J]. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,2014,89(10):1582-1589.
APA Wang, Lan,Liu, Zhihua,Duan, Yingyi,&Chen, Hongzhang.(2014).Relations between substrate morphological change and oxygen transfer in solid-state fermentation (SSF) using Penicillium decumbens JUA10.JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,89(10),1582-1589.
MLA Wang, Lan,et al."Relations between substrate morphological change and oxygen transfer in solid-state fermentation (SSF) using Penicillium decumbens JUA10".JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY 89.10(2014):1582-1589.
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