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Separation of monosaccharides from pretreatment inhibitors by nanofiltration in lignocellulosic hydrolysate: Fouling mitigation by activated carbon adsorption
Li, Yun1,4; Qi, Benkun2; Wan, Yinhua2,3
2020-05-01
Source PublicationBIOMASS & BIOENERGY
ISSN0961-9534
Volume136Pages:8
AbstractLignocellulose pretreatment results in production of hydrolysate consisting of sugars and inhibitors. Previous reports have shown the viability of nanofiltration (NF) of lignocellulosic hydrolysate for simultaneous sugar concentration and inhibitors removal. However, the complexity of real hydrolysate results in severe membrane fouling which greatly hinders the further application of NF in treating biomass hydrolysate. In this investigation, conditioning of real rice straw hydrolysate from dilute acid pretreatment was conducted by three methods (sedimentation, microfiltration (MF) and activated carbon (AC) adsorption) in order to reduce subsequent NF membrane fouling. Results showed that the turbidity, suspended substance (SS) and particle size of SS of the hydrolysate considerably decreased after these three conditioning methods. Only AC adsorption, however, exhibited best performance in terms of increasing the volume reduction ratio (VRR) and decreasing the membrane fouling during NF filtration of rice straw hydrolysate, demonstrating the effectiveness of AC adsorption for hydrolysate conditioning. Further experiments confirmed that removal of phenolics and pigments, the two dominating foulants during NF process, by AC adsorption were most likely responsible for its superior performance compared to sedimentation and MF.
KeywordActivated carbon adsorption Microfiltration Nanofiltration Lignocellulosic hydrolysate Membrane fouling
DOI10.1016/j.biombioe.2020.105527
Language英语
WOS KeywordRICE STRAW ; DISSOLVING PULP ; ACETIC-ACID ; DETOXIFICATION ; BIOMASS ; HYDROLYZATE ; LIQUOR ; SUGARS
Funding ProjectNational Key Research and Development Program of China[2018YFB1501701]
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
Funding OrganizationNational Key Research and Development Program of China
WOS IDWOS:000525824900007
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/40142
Collection中国科学院过程工程研究所
Corresponding AuthorQi, Benkun; Wan, Yinhua
Affiliation1.Chinese Res Inst Environm Sci, Res Ctr Environm Engn Design, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Minist Ecol & Environm, Tech Ctr Ecol & Environm Soil Agr & Rural Areas, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Li, Yun,Qi, Benkun,Wan, Yinhua. Separation of monosaccharides from pretreatment inhibitors by nanofiltration in lignocellulosic hydrolysate: Fouling mitigation by activated carbon adsorption[J]. BIOMASS & BIOENERGY,2020,136:8.
APA Li, Yun,Qi, Benkun,&Wan, Yinhua.(2020).Separation of monosaccharides from pretreatment inhibitors by nanofiltration in lignocellulosic hydrolysate: Fouling mitigation by activated carbon adsorption.BIOMASS & BIOENERGY,136,8.
MLA Li, Yun,et al."Separation of monosaccharides from pretreatment inhibitors by nanofiltration in lignocellulosic hydrolysate: Fouling mitigation by activated carbon adsorption".BIOMASS & BIOENERGY 136(2020):8.
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