2026-04-13T13:40:46Zhttps://recercat.cat/oai/request

oai:recercat.cat:2445/1843502025-12-05T09:38:44Zcom_2072_1057col_2072_478778col_2072_478917

00925njm 22002777a 4500 dc Caldelas, Cristina author Gurí, R. author Araus Ortega, José Luis author Sorolla, A. author 2022-03-23T14:19:06Z 2022-03-23T14:19:06Z 2021-05-29 2022-03-23T14:19:06Z Stormwater runoff from urban and suburban areas can carry hazardous pollutants directly into aquatic ecosystems. These pollutants, such as metals, nutrients, aromatic hydrocarbons, pesticides, and pharmaceuticals, are very toxic to aquatic organisms. Recently, significant amounts of zinc oxide engineered nanoparticles (ZnO-NPs) have been detected in urban stormwater and its bioretention systems. This raises concerns about a potential increase of stormwater toxicity and reduced performance of the treatment infrastructures. To tackle these issues, we developed a simple, low-cost bioretention system to remediate stormwater and retain ZnO-NPs. This system retained up to 73% Zn, 66% Cu, and >99% Pb. However, the removal efficiency for Pb was lower after adding ZnO-NPs to the system, possibly due to the remobilization of Pb phosphates. The effect of ZnO-NPs on stormwater toxicity and metal accumulation in wetland plants was also evaluated. Contaminació de l'aigua Aigua de pluja Water pollution Rain-water Effect of ZnO nanoparticles on Zn, Cu, and Pb dissolution in a green bioretention system for urban stormwater remediation.