Emerging Pollutants – Part II: Treatment

Liu, Bo; Zhang, Shengen; Chang, Chein‐Chi

doi:10.2175/106143017x15023776270674

Cited by 4 publications

(1 citation statement)

References 28 publications

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“…Emerging pollutants are increasingly recognized as critical environmental contaminants [1] that usually appear at low concentrations (ng L −1 to μg L −1 ) and have been detected in both wastewater and drinking water [2,3]. Emerging pollutants include pharmaceuticals, personal care products, endocrine-disrupting compounds, and pesticides [4,5].…”

Section: Introductionmentioning

confidence: 99%

Photocatalytic Microporous Membrane against the Increasing Problem of Water Emerging Pollutants

et al. 2019

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Emerging pollutants are an essential class of recalcitrant contaminants that are not eliminated from water after conventional treatment. Here, a photocatalytic microporous membrane based on polyvinylidene difluoride-co-trifluoroethylene (PVDF−TrFE) with immobilised TiO2 nanoparticles, prepared by solvent casting, was tested against representative emerging pollutants. The structure and composition of these polymeric membranes were characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy, Fourier-transform infrared spectroscopy, porosimetry, and contact angle goniometry. The nanocomposites exhibited a porous structure with a uniform distribution of TiO2 nanoparticles. The addition of TiO2 did not change the structure of the polymeric matrix; however, it increased the wettability of the nanocomposite. The nanocomposites degraded 99% of methylene blue (MB), 95% of ciprofloxacin (CIP), and 48% of ibuprofen (IBP). The microporous nanocomposite exhibited no photocatalytic efficiency loss after four use cycles, corresponding to 20 h of UV irradiation. The reusability of this system confirms the promising nature of polymer nanocomposites as the basis for cost-effective and scalable treatments of emerging pollutants.

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