Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.desal.2014.03.027
Title: Determination of organic pollutants in municipal reverse osmosis concentrate by electrospray ionization-quadrupole time-of-flight tandem mass spectrometry and photocalaytic degradation methods
Authors: Lin, X.H.
Li, S.F.Y. 
Keywords: Photocatalytic degradation
Reverse osmosis concentrate
Tandem mass spectroscopy
Wastewater
Issue Date: 1-Jul-2014
Citation: Lin, X.H., Li, S.F.Y. (2014-07-01). Determination of organic pollutants in municipal reverse osmosis concentrate by electrospray ionization-quadrupole time-of-flight tandem mass spectrometry and photocalaytic degradation methods. Desalination 344 : 206-211. ScholarBank@NUS Repository. https://doi.org/10.1016/j.desal.2014.03.027
Abstract: Recently UV/TiO2 photocatalytic treatment for municipal reverse osmosis concentrate (ROC) has drawn increasing attention due to its high efficiency and low cost. We determined the organics in ROC samples by a combination of multiple analytical techniques: i.e. electrospray ionization-quadrupole time of flight (ESI-QToF), photocatalytic degradation method, total organic carbon (TOC) analysis, fluorescence spectroscopy, ultraviolet-visible (UV-Vis) spectroscopy and gas chromatography/mass spectrometry (GC/MS). By these multiple techniques we were able to determine the total dissolved organic carbon (DOC) to be 24.50ppm, which was composed of high molecular weight (MW) (>2000Da) natural organic matter (NOM) of 23.36ppm (95.35%wt.) and low MW (
Source Title: Desalination
URI: http://scholarbank.nus.edu.sg/handle/10635/93554
ISSN: 00119164
DOI: 10.1016/j.desal.2014.03.027
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