Nanofiltration fouling propensity caused by wastewater effluent organic matters and surface-water dissolved organic matters

Rejection of dissolved organic matters (DOMs) from wastewater treatment plant effluent (EfOM) and surface reservoir water (RW-DOM) by nanofiltration (NF) was comparatively studied to evaluate their influence on membrane fouling and to unveil the major causations. EfOM and RW-DOM were fractionated to...

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Veröffentlicht in:Environmental technology. - 1993. - 39(2018), 15 vom: 01. Aug., Seite 1914-1925
1. Verfasser: Shang, Wentao (VerfasserIn)
Weitere Verfasser: Sun, Feiyun, Chen, Lichun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Biofouling dissolved organic matter effluent organic matters nanofiltration surface reservoir water Membranes, Artificial Organic Chemicals Waste Water Water 059QF0KO0R
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520 |a Rejection of dissolved organic matters (DOMs) from wastewater treatment plant effluent (EfOM) and surface reservoir water (RW-DOM) by nanofiltration (NF) was comparatively studied to evaluate their influence on membrane fouling and to unveil the major causations. EfOM and RW-DOM were fractionated to determine the major components that preferentially form fouling layer and initiate biofouling. The results indicated that EfOM induced a rapid membrane permeability loss and a more complicated biofilm diversity than RW-DOM did. Hydrophilic components with small molecular weight (<3 kDa), and SMP in EfOM made a crucial contribution to membrane flux decline, while the hydrophobic large-molecular-weight components (>50 kDa) resulted in initially quick membrane fouling. The complex biofouling resulted from EfOM closely related with significant retention of SMP on the non-porous NF membrane surface, where the Proteobacteria phylum dominated the biofouling formed by microbial community growth and accumulation that gave rise to serious irreversible membrane fouling 
650 4 |a Journal Article 
650 4 |a Biofouling 
650 4 |a dissolved organic matter 
650 4 |a effluent organic matters 
650 4 |a nanofiltration 
650 4 |a surface reservoir water 
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650 7 |a Water  |2 NLM 
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700 1 |a Sun, Feiyun  |e verfasserin  |4 aut 
700 1 |a Chen, Lichun  |e verfasserin  |4 aut 
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