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The synergistic effect of organic foulants and their fouling behavior on the nanofiltration separation to multivalent ions
Gao, Fang1,2; Sheng, Yuxing1; Cao, Hongbin1; Li, Yuping1; Su, Chunlei1,2,3; Cui, Xiaoli4
2016-12-01
Source PublicationDESALINATION AND WATER TREATMENT
ISSN1944-3994
Volume57Issue:59Pages:29044-29057
Abstract

This work aimed to determine the effect of organic foulants and fouling behavior on separation of multi-ions for nanofiltration (NF) membrane. Three model organic foulants (bovine serum albumin, lysozyme, and humic acid) were selected and studied in depth. The rejections of mono- and di-anions by virgin membrane varied with different organic foulants because of foulant-enhanced co-ion competition. Subsequent multi-ions separations by fouled membranes were different due to the zeta potential and structure of the fouling cake. In contrast to the single protein system, Cl- and rejection was reduced by HA fouled membrane. However, with added proteins in the HA solution, mixed systems experienced decreasing Cl- rejection and increasing rejection. In addition, solution chemistry (solution pH, ionic strength, and Ca2+) had marked effect on the cake layer composition, likely due to the changing interaction between foulant and foulant, as well as between foulant and NF membrane. The suitable foulant cake structure could result enhanced in multi-ions separation. The synergistic mechanisms of organic foulants and cake were analyzed by calculated cake hydraulic resistance and zeta potential of fouled membranes.

KeywordNanofiltration Multivalent Anions Separation Organic Foulant Zeta Potential Cake-enhanced Concentration Polarization
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1080/19443994.2016.1178603
Indexed BySCI
Language英语
WOS KeywordENHANCED CONCENTRATION POLARIZATION ; REVERSE-OSMOSIS MEMBRANES ; NF MEMBRANES ; ULTRAFILTRATION MEMBRANES ; SOLUTION CHEMISTRY ; PROTEIN MIXTURES ; SERUM-ALBUMIN ; MATTER NOM ; PH ; SALT
WOS Research AreaEngineering ; Water Resources
WOS SubjectEngineering, Chemical ; Water Resources
WOS IDWOS:000388015400046
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21665
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Xiangtan Univ, Sch Chem Engn, Xiangtan 411105, Peoples R China
4.Jinzhou Titanium Ind Co Ltd, Jinzhou 121005, Peoples R China
Recommended Citation
GB/T 7714
Gao, Fang,Sheng, Yuxing,Cao, Hongbin,et al. The synergistic effect of organic foulants and their fouling behavior on the nanofiltration separation to multivalent ions[J]. DESALINATION AND WATER TREATMENT,2016,57(59):29044-29057.
APA Gao, Fang,Sheng, Yuxing,Cao, Hongbin,Li, Yuping,Su, Chunlei,&Cui, Xiaoli.(2016).The synergistic effect of organic foulants and their fouling behavior on the nanofiltration separation to multivalent ions.DESALINATION AND WATER TREATMENT,57(59),29044-29057.
MLA Gao, Fang,et al."The synergistic effect of organic foulants and their fouling behavior on the nanofiltration separation to multivalent ions".DESALINATION AND WATER TREATMENT 57.59(2016):29044-29057.
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