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@ARTICLE{Dahdal:825191,
author = {Dahdal, Yara N. and Oren, Yoram and Schwahn, Dietmar and
Pipich, Vitaliy and Herzberg, Moshe and Ying, Wang and
Kasher, Roni and Rapaport, Hanna},
title = {{B}iopolymer-induced calcium phosphate scaling in
membrane-based water treatment systems: {L}angmuir model
films studies},
journal = {Colloids and surfaces / B},
volume = {143},
issn = {0927-7765},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2016-07664},
pages = {233 - 242},
year = {2016},
abstract = {Biofouling and scaling on reverse osmosis (RO) or
nanofiltration (NF) membranes during desalination of
secondary and tertiary effluents pose an obstacle that
limits the reuse of wastewater. In this study we explored
the mineral scaling induced by biopolymers originated from
bacterial biofilms: bovine serum albumin (BSA), fibrinogen,
lysozyme and alginic acid, as well as an extracts of
extracellular polymeric substances (EPS) from bio-fouled RO
membranes from wastewater treatment facility. Mineralization
studies were performed on Langmuir films of the biopolymers
deposited at the interface of a solution simulating RO
desalination of secondary-treated wastewater effluents. All
studied biopolymers and EPS induced heterogeneous
mineralization of mainly calcium phosphate. Using IR
spectroscopy coupled with systematic quantitative analysis
of the surface pressure versus molecular-area isotherms, we
determined the mineralization tendencies of the biopolymers
to be in the order of: fibrinogen > lysozyme > BSA > alginic
acid. The biopolymers and EPS studied here were found to be
accelerators of calcium-phosphate mineralization. This study
demonstrates the utilization of Langmuir surface-pressure
area isotherms and a model solution in quantitatively
assessing the mineralization tendencies of various molecular
components of EPS in context of membrane-based water
treatment systems.},
cin = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
(München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
ddc = {540},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106},
pnm = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
Neutron Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-MLZ)KWS3-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000376696900028},
pubmed = {pmid:27015648},
doi = {10.1016/j.colsurfb.2016.02.047},
url = {https://juser.fz-juelich.de/record/825191},
}