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Sammanfattning

This study evaluated the performance of five different sorbents (granular activated carbon (GAC), GAC + Polonite((R)) (GAC + P), Xylit, lignite and sand) for a set of 83 micropollutants (MPs) (pharmaceuticals, perfluoroalkyl substances (PFASs), personal care products, artificial sweeteners, parabens, pesticide, stimulants), together representing a wide range of physicochemical properties. Treatment with GAC and GAC + P provided the highest removal efficiencies, with average values above 97%. Removal rates were generally lower for Xylit (on average 74%) and lignite (on average 68%), although they proved to be highly efficient for a few individual MPs. The average removal efficiency for sand was only 47%. It was observed that the MPs behaved differently depending on their physicochemical properties. The physicochemical properties of PFASs (i.e. molecular weight, topological molecular surface area, log octanol water partition coefficient (K-ow) and distribution coefficient between octanol and water (log D)) were positively correlated to observed removal efficiency for the sorbents Xylit, lignite and sand (p

Publicerad i

Water Research
2018, volym: 137, sidor: 97-106
Utgivare: PERGAMON-ELSEVIER SCIENCE LTD

SLU författare

Globala målen (SDG)

SDG3 God hälsa och välbefinnande
SDG6 Rent vatten och sanitet för alla

UKÄ forskningsämne

Vattenbehandlingsbioteknik

Publikationens identifierare

  • DOI: https://doi.org/10.1016/j.watres.2018.03.008

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/95363