Characterization and Toxic Potency of Airborne Particles Formed upon Waste from Electrical and Electronic Equipment Waste Recycling: A Case Study

IF 6.7 Q1 ENGINEERING, ENVIRONMENTAL ACS Environmental Au Pub Date : 2023-11-03 DOI:10.1021/acsenvironau.3c00034
Inger Odnevall*, Marianne Brookman-Amissah, Franca Stábile, Mikael T. Ekvall, Gunilla Herting, Marie Bermeo Vargas, Maria E. Messing, Joachim Sturve, Lars-Anders Hansson, Christina Isaxon and Jenny Rissler*, 
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Abstract

Manual dismantling, shredding, and mechanical grinding of waste from electrical and electronic equipment (WEEE) at recycling facilities inevitably lead to the accidental formation and release of both coarse and fine particle aerosols, primarily into the ambient air. Since diffuse emissions to air of such WEEE particles are not regulated, their dispersion from the recycling plants into the adjacent environment is possible. The aim of this interdisciplinary project was to collect and characterize airborne WEEE particles smaller than 1 μm generated at a Nordic open waste recycling facility from a particle concentration, shape, and bulk and surface composition perspective. Since dispersed airborne particles eventually may reach rivers, lakes, and possibly oceans, the aim was also to assess whether such particles may pose any adverse effects on aquatic organisms. The results show that WEEE particles only exerted a weak tendency toward cytotoxic effects on fish gill cell lines, although the exposure resulted in ROS formation that may induce adverse effects. On the contrary, the WEEE particles were toxic toward the crustacean zooplankter Daphnia magna, showing strong effects on survival of the animals in a concentration-dependent way.

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电子电气设备废弃物回收后形成的空气微粒的特性及毒性:个案研究
在回收设施中,人工拆卸、切碎和机械研磨来自电气和电子设备(WEEE)的废物不可避免地导致意外形成和释放粗颗粒和细颗粒气溶胶,主要是进入环境空气中。由于这些报废电子电气设备颗粒的扩散排放到空气中没有受到管制,因此它们有可能从回收厂扩散到邻近的环境中。该跨学科项目的目的是从颗粒浓度、形状、体积和表面组成的角度收集和表征北欧开放式废物回收设施中产生的小于1 μm的空气中WEEE颗粒。由于分散在空气中的微粒最终可能到达河流、湖泊,甚至海洋,因此研究的目的还在于评估这些微粒是否会对水生生物造成任何不利影响。结果表明,WEEE颗粒仅对鱼鳃细胞系产生微弱的细胞毒性作用,尽管暴露会导致ROS的形成,从而引起不良反应。相反,WEEE颗粒对甲壳类浮游动物大水蚤(Daphnia magna)具有毒性,对水蚤的生存有较强的影响,且呈浓度依赖性。
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ACS Environmental Au
ACS Environmental Au 环境科学-
CiteScore
7.10
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0.00%
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0
期刊介绍: ACS Environmental Au is an open access journal which publishes experimental research and theoretical results in all aspects of environmental science and technology both pure and applied. Short letters comprehensive articles reviews and perspectives are welcome in the following areas:Alternative EnergyAnthropogenic Impacts on Atmosphere Soil or WaterBiogeochemical CyclingBiomass or Wastes as ResourcesContaminants in Aquatic and Terrestrial EnvironmentsEnvironmental Data ScienceEcotoxicology and Public HealthEnergy and ClimateEnvironmental Modeling Processes and Measurement Methods and TechnologiesEnvironmental Nanotechnology and BiotechnologyGreen ChemistryGreen Manufacturing and EngineeringRisk assessment Regulatory Frameworks and Life-Cycle AssessmentsTreatment and Resource Recovery and Waste Management
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