Perfluorooctanoic acid (PFOA) is very persistent in the environment and resistant to typical degradation processes. PFOA has been widely used in surface-active agents and as an emulsifier in several products and can contaminate groundwater. Groundwater is considered as an important source of water; hence removal of PFOA contamination in groundwater is needed. This study aimed to examine the removal of PFOA in spiked deionized water and spiked groundwater samples by nanofiltration (NF) membrane. PFOA removal efficiency was performed by using NF membrane and all samples were analysed by high-performance liquid chromatography coupled with tandem mass spectrometry (HPLC-MS/MS). For groundwater concentration, solid phase extraction is needed before being analysed by HPLC-MS/MS. The results showed that at higher pressures and higher PFOA concentrations, the PFOA removal efficiencies were slightly higher. The PFOA removal efficiency of spiked deionized water and spiked groundwater sample were 99.78–99.87% and 99.49–99.54%, respectively, which were not significantly different.
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Research Article|
September 19 2016
Removal of perfluorooctanoic acid (PFOA) in groundwater by nanofiltration membrane
Apisara Boonya-atichart;
1Department of Civil and Environmental Engineering, Faculty of Engineering, Mahidol University, 25/25 Phutthamonthon Sai 4 Rd. Salaya, Nakhon Pathom 73170, Thailand
E-mail: [email protected]
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Suwanna Kitpati Boontanon;
Suwanna Kitpati Boontanon
1Department of Civil and Environmental Engineering, Faculty of Engineering, Mahidol University, 25/25 Phutthamonthon Sai 4 Rd. Salaya, Nakhon Pathom 73170, Thailand
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Narin Boontanon
Narin Boontanon
2Faculty of Environment and Resource Studies, Mahidol University, 999 Phuttamonthon Sai 4 Rd. Salaya, Nakhon Pathom 73170, Thailand
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Water Sci Technol (2016) 74 (11): 2627–2633.
Article history
Received:
January 29 2016
Accepted:
August 31 2016
Citation
Apisara Boonya-atichart, Suwanna Kitpati Boontanon, Narin Boontanon; Removal of perfluorooctanoic acid (PFOA) in groundwater by nanofiltration membrane. Water Sci Technol 14 December 2016; 74 (11): 2627–2633. doi: https://doi.org/10.2166/wst.2016.434
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