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Fully recycling dairy wastewater by an integrated isoelectric precipitation-nanofiltration-anaerobic fermentation process
Chen, Zhiwei1; Luo, Jianquan1; Chen, Xiangrong1; Hang, Xiaofeng1,2; Shen, Fei1; Wan, Yinhua1
2016
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume283Issue:JANPages:476-485
AbstractA novel integrated isoelectric precipitation-nanofiltration (NF)-anaerobic fermentation process was proposed for fully recycling model dairy wastewater (MDW). Isoelectric precipitation at pH 4.80 and subsequent centrifugation could remove most proteins. Acetic and butyric acids from anaerobic fermentation were available for acidic precipitation, and the performance was comparable to that of hydrochloric acid. The pretreatment of MDW by precipitation could greatly retard NF membrane fouling, especially at pH 7.09 owing to the electrostatic repulsion between solutes and membrane. NF270 membrane was preferred for MDW concentration due to its high antifouling performance, high permeability and acceptable permeate quality. Anaerobic fermentation fed with model NF retentate without caseins produced higher proportion of acetate, butyrate and hydrogen, and this effluent with shorter-chain volatile fatty acids (VFAs) and lower pH was more suitable for casein precipitation in dairy wastewater. (C) 2015 Elsevier B.V. All rights reserved.
KeywordWastewater Treatment Acidic Precipitation Whey Proteins Membrane Fouling Resource Utilization
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.cej.2015.07.086
Indexed BySCI
Language英语
WOS KeywordREVERSE-OSMOSIS ; CASEIN MICELLES ; SKIM MILK ; MEMBRANE ; PROTEIN ; PH ; ULTRAFILTRATION ; FRACTIONATION ; ACIDIFICATION ; LACTALBUMIN
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
Funding OrganizationInternational Cooperation Program, Ministry of Science and Technology of China(S2011ZR0434)
WOS IDWOS:000364247100048
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19781
Collection生化工程国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc 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
Chen, Zhiwei,Luo, Jianquan,Chen, Xiangrong,et al. Fully recycling dairy wastewater by an integrated isoelectric precipitation-nanofiltration-anaerobic fermentation process[J]. CHEMICAL ENGINEERING JOURNAL,2016,283(JAN):476-485.
APA Chen, Zhiwei,Luo, Jianquan,Chen, Xiangrong,Hang, Xiaofeng,Shen, Fei,&Wan, Yinhua.(2016).Fully recycling dairy wastewater by an integrated isoelectric precipitation-nanofiltration-anaerobic fermentation process.CHEMICAL ENGINEERING JOURNAL,283(JAN),476-485.
MLA Chen, Zhiwei,et al."Fully recycling dairy wastewater by an integrated isoelectric precipitation-nanofiltration-anaerobic fermentation process".CHEMICAL ENGINEERING JOURNAL 283.JAN(2016):476-485.
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