gchange  > 气候变化事实与影响
DOI: 10.1016/j.watres.2018.10.041
Scopus ID: 2-s2.0-85056468816
Title:
Characterization of fluorescence foulants on ultrafiltration membrane using front-face excitation-emission matrix (FF-EEM) spectroscopy: Fouling evolution and mechanism analysis
Author: Yu H.; Wu Z.; Zhang X.; Qu F.; Wang P.; Liang H.
Source Publication: Water Research
ISSN: 431354
Indexed By: SCI ; SCI-E ; EI
Publishing Year: 2019
pages begin: 546
pages end: 555
Language: 英语
Keyword: Fluorescence spectroscopy ; Front-face excitation-emission matrix (FF-EEM) ; Membrane fouling ; Ultrafiltration
Scopus Keyword: Body fluids ; Effluents ; Fluorescence ; Fluorescence spectroscopy ; Liquids ; Mammals ; Membrane fouling ; Ultrafiltration ; Bovine serum albumins ; Excitation emission matrices ; Fouling mechanisms ; Fouling resistance ; Mass-balance calculations ; Mechanism analysis ; Ultrafiltration membranes ; Wastewater effluents ; Membranes ; bovine serum albumin ; humic acid ; organic matter ; finite element method ; fluorescence spectroscopy ; mass balance ; matrix ; membrane ; organic matter ; ultrafiltration ; wastewater ; wastewater treatment ; Article ; fouling control ; front face excitation emission matrix spectroscopy ; membrane ; priority journal ; spectrofluorometry ; ultrafiltration ; Bovinae
English Abstract: The understanding of fouling behavior and mechanism is critical for fouling control in membrane processes. This study adopted a novel fluorescence front-face excitation-emission matrix (FF-EEM) approach to characterize the fluorescence foulants deposited on membrane surface. Methods for quantifying protein and humic substances deposited on ultrafiltration (UF) membrane were established. Foulants deposited on the membrane surface during the UF of model foulants (bovine serum albumin (BSA) and humic acids (HA)) and wastewater effluent organic matter (EfOM) were quantified using the FF-EEM and liquid EEM coupled with mass balance calculation. The foulants mass data obtained by FF-EEM were further used to analyze fouling mechanism involved in UF. The FF-EEM based method was more accurate than the liquid EEM based method, as the problems associated with liquid EEM based method (such as the error propagation in the mass balance calculation and the ineffectiveness of inner filter correction) were avoided in FF-EEM based method. The fouling resistance did not correlate well with the amount of foulants, as the major fouling mechanism instead of the mass of foulants mainly determined the extent of fouling. This work demonstrated FF-EEM could be a powerful tool for investigating fouling evolution and fouling mechanism in UF process. © 2018 Elsevier Ltd
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Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/122181
Appears in Collections:气候变化事实与影响

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Affiliation: State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China; School of Civil Engineering, Guangzhou University, Guangzhou, Guangdong 510006, China; Department of Environmental Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, South Korea

Recommended Citation:
Yu H.,Wu Z.,Zhang X.,et al. Characterization of fluorescence foulants on ultrafiltration membrane using front-face excitation-emission matrix (FF-EEM) spectroscopy: Fouling evolution and mechanism analysis[J]. Water Research,2019-01-01
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