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|Title:||Determination of organic pollutants in municipal reverse osmosis concentrate by electrospray ionization-quadrupole time-of-flight tandem mass spectrometry and photocalaytic degradation methods|
Reverse osmosis concentrate
Tandem mass spectroscopy
|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 (|
|Appears in Collections:||Staff Publications|
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