DOI: 10.1016/j.watres.2018.01.034
Scopus记录号: 2-s2.0-85041377522
论文题名: Differences in behaviour of three biopolymer constituents in coagulation with polyaluminium chloride: Implications for the optimisation of a coagulation–membrane filtration process
作者: Ding Q. ; Yamamura H. ; Yonekawa H. ; Aoki N. ; Murata N. ; Hafuka A. ; Watanabe Y.
刊名: Water Research
ISSN: 431354
出版年: 2018
卷: 133 起始页码: 255
结束页码: 263
语种: 英语
英文关键词: Biopolymers
; EEM-PARAFAC
; Low-pressure membrane filtration
; Membrane fouling
; Polyaluminium chloride
; Pre-coagulation
Scopus关键词: Amino acids
; Biogeochemistry
; Biomolecules
; Biopolymers
; Chlorine compounds
; Coagulation
; Effluents
; Liquid chromatography
; Membrane fouling
; Membranes
; Microfiltration
; Organic compounds
; Charge neutralisation
; Dissolved organic matters
; Humic-like substances
; Low pressure membranes
; PARAFAC
; Parallel factor analysis
; Polyaluminium chloride
; Pre-coagulation
; Chemical water treatment
; aluminum derivative
; biopolymer
; chloride
; organic matter
; polyaluminium chloride
; unclassified drug
; water
; aluminum hydroxide
; aluminum oxychloride
; biopolymer
; aluminum compound
; chloride
; coagulation
; factor analysis
; filtration
; fouling
; membrane
; optimization
; organic matter
; pollutant removal
; polymer
; wastewater
; Article
; chemical structure
; effluent
; factor analysis
; fractionation
; humic substance
; liquid chromatography
; pH
; priority journal
; process optimization
; analysis
; artificial membrane
; chemistry
; devices
; filtration
; flocculation
; spectrofluorometry
; water management
; water pollutant
; Aluminum Hydroxide
; Biopolymers
; Factor Analysis, Statistical
; Filtration
; Flocculation
; Humic Substances
; Membranes, Artificial
; Spectrometry, Fluorescence
; Water Pollutants
; Water Purification
英文摘要: Coagulation is often applied as a pre-treatment for membrane processes to reduce dissolved organic matter and to prevent membrane fouling. Biopolymers (BPs) have repeatedly been reported as major organic foulants, and coagulation conditions such as pH or dose have been optimised to minimise the remaining BPs. Optimisation however remains problematic because of the complex and heterogenetic nature of BP. In this study, the behaviour of several BP fractions in a coagulation process was investigated by excitation–emission matrix-parallel factor analysis (EEM-PARAFAC) following liquid chromatography (LC)-fractionation. Using a series of jar tests, we found that BP removal depends on the type of source water, reflecting differences in charge neutralisation conditions in three samples of natural water despite nearly identical processes for removing humic substances. This result demonstrates the complexity of optimisation for BP coagulation. Fractionation of EEM-PARAFAC to BP by LC showed that at least three organic component groups (C1, C2 and C3) constitute BP. C1 is tryptophan-like organic matter that is often found in wastewater effluent, C2 is tyrosine-like organic matter that has a phenolic chemical structure, and C3 is a humic-like substance. C1 was removed thoroughly at acidic pH but not at neutral pH, while the removal of C2 was inefficient even with a significant change in pH or dose, indicating similar difficulties in a coagulation process. The difference in components C1 and C2 may partly explain the difference in efficiencies of removal of BP in water from different sources. Our investigation suggests that the optimisation or selection of appropriate pre-treatment processes for membrane systems should be substantially based on the composition of BPs (e.g., C1 and C2 components). © 2018 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112950
Appears in Collections: 气候减缓与适应
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作者单位: Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan; Plant Engineering Division, METAWATER Co., Ltd, 2-56 Suda-cho, Mizuho, Nagoya, 467-8530, Japan; Environmental Technology Department, R&D Center, Business Strategy Division, METAWATER Co., Ltd, JR Kanda Manseibashi Bldg, 1-25, Kanda-sudacho, Chiyoda-ku, Tokyo, 101-0041, Japan; Water Purification Process Development Group, Environmental Technology Department, R&D Center, Business Strategy Division, METAWATER Co., Ltd, 1 Maegata-cho, Handa, Aichi, 475-0825, Japan; Research and Development Initiatives, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan; 147-1 Kosogawaki, Usaka, Agui-cho, Chita, Aichi, 470-2212, Japan
Recommended Citation:
Ding Q.,Yamamura H.,Yonekawa H.,et al. Differences in behaviour of three biopolymer constituents in coagulation with polyaluminium chloride: Implications for the optimisation of a coagulation–membrane filtration process[J]. Water Research,2018-01-01,133