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Flux behavior in clarification of chicory juice by high-shear membrane filtration: Evidence for threshold flux
Luo, Jianquan1; Zhu, Zhenzhou1; Ding, Luhui1; Bals, Olivier1; Wan, Yinhua2; Jaffrin, Michel Y.3; Vorobiev, Eugene1
2013-05-15
Source PublicationJOURNAL OF MEMBRANE SCIENCE
Volume435Issue:0Pages:120-129
AbstractMembrane fouling and flux decline are important problems in chicory juice clarification by membrane process for inulin production. In this study, a rotating disk module (RDM) equipped with four micro- and ultra-filtration membranes was used to treat raw chicory root extract, and the permeate flux behavior at high-shear conditions was investigated. Increasing disk rotating speed can reduce concentration polarization and cake fouling, and thus improve permeate flux. However, a moderate rotating speed of 1000 rpm was a good compromise between energy saving and polarization/cake layers control, while a higher disk rotating speed can be used at regular intervals for on-line membrane cleaning. Threshold and limiting fluxes were determined in chicory juice clarification at 1000 rpm and 50 degrees C by pressure stepping experiments, and they were almost independent of pore size, permeability and fouling extent, with ranges of 130-140 L m(-2) h(-1) for threshold and 155-168 L m(-2) h(-1) for limiting flux. Below threshold flux, filtration resistance is independent of flux, while above it, membrane fouling increases with increasing permeate flux. This work confirmed that threshold flux criterion was also applicable to high-shear microfiltration and ultrafiltration, and size-dependent shear-induced and Brownian back diffusions played an important role in such filtration resistance transition. Moreover, both limiting flux and flux fluctuations should be avoided in practical applications because they cause high fouling and flux decline. (C) 2013 Elsevier B.V. All rights reserved.
KeywordChicory Root Inulin Threshold Flux Critical Flux Limiting Flux
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS KeywordCROSS-FLOW MICROFILTRATION ; CICHORIUM-INTYBUS L ; DAIRY WASTE-WATER ; LIMITING FLUX ; INULIN ; NANOFILTRATION ; ROOTS ; BEER ; SYSTEMS
WOS Research AreaEngineering ; Polymer Science
WOS SubjectEngineering, Chemical ; Polymer Science
WOS IDWOS:000317387400013
Citation statistics
Cited Times:47[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13757
Collection研究所(批量导入)
Affiliation1.Univ Technol Compiegne, EA TIMR 4297, F-60205 Compiegne, France
2.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
3.Univ Technol Compiegne, UMR 7338, F-60205 Compiegne, France
Recommended Citation
GB/T 7714
Luo, Jianquan,Zhu, Zhenzhou,Ding, Luhui,et al. Flux behavior in clarification of chicory juice by high-shear membrane filtration: Evidence for threshold flux[J]. JOURNAL OF MEMBRANE SCIENCE,2013,435(0):120-129.
APA Luo, Jianquan.,Zhu, Zhenzhou.,Ding, Luhui.,Bals, Olivier.,Wan, Yinhua.,...&Vorobiev, Eugene.(2013).Flux behavior in clarification of chicory juice by high-shear membrane filtration: Evidence for threshold flux.JOURNAL OF MEMBRANE SCIENCE,435(0),120-129.
MLA Luo, Jianquan,et al."Flux behavior in clarification of chicory juice by high-shear membrane filtration: Evidence for threshold flux".JOURNAL OF MEMBRANE SCIENCE 435.0(2013):120-129.
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