UV exposure to PET microplastics increases their downward mobility in stormwater biofilters undergoing freeze–thaw cycles
Haley J. Gunther, Tonoy K. Das, Jamie Leonard, Vera S. Koutnik, Lea A. El Rassi, Zilong Tang, Sanjay K. Mohanty
Abstract
An increase in microplastic weathering under UV lights decreases their surface hydrophilicity by the formation of polar groups and increases their mobility in the stormwater biofilter under freeze–thaw cycles.
Topics & Concepts
MicroplasticsStormwaterBiofilterEnvironmental scienceEnvironmental chemistryWeatheringEnvironmental engineeringSurface runoffChemistryEcologyGeologyBiologyGeomorphologyMicroplastics and Plastic PollutionRecycling and Waste Management TechniquesSurface Modification and Superhydrophobicity