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从添加剂到吸附:了解塑料污染的全面影响.pdf

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1、From Additives to Adsorption:Understanding the Full Impact of Plastic PollutionGreat Lakes Microplastics SummitOctober 22,2025John Scott Associate Director of ISTC Emerging Contaminant CenterThe Illinois Sustainable Technology Center2Hannah Ritchie,Veronika Samborska,and Max Roser(2023)-“Plastic Pol

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5、echnology Center5The Widespread Occurrence of MicroplasticsYes,microplastics are found in nearly every media we look at.However,is ubiquitous the right term?Ubiquitous found everywhere,all the time.Tokranov,Andrea K.,Zachary R.Hopkins,Bruce D.Lindsey,and Bryant C.Jurgens.PFAS Are Widespread,Not Ubiq

6、uitous:Clarifying Misconceptions About the Prevalence of“Forever Chemicals”.Environmental Science&Technology(2025).Jurgens,Bryant C.,Kirsten Faulkner,Peter B.McMahon,Andrew G.Hunt,Gerolamo Casile,Megan B.Young,and Kenneth Belitz.Over a third of groundwater in USA public-supply aquifers is Anthropoce

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1. 塑料污染激增:1960-2000年全球塑料产量增长约40倍,人均日消费0.25-0.27kg,仅9%被回收,79%积累环境中(Geyer et al., 2017)。 2. 微塑料广泛存在:美国超1/3地下水含微塑料,暴露风险高但生态影响尚不明确(Jurgens et al., 2022)。 3. 微塑料富集污染物:密歇根州Muskegon湖研究显示,微塑料表面持久性有机污染物(POPs)浓度达背景值的60-220倍,PFAS富集倍数更高(Scott et al., 2020)。 4. 添加剂风险:超1万种塑料添加剂中2400种具潜在危害,如重金属(铅、镉)、阻燃剂(溴化物)及6PPD-Q(对鲑鱼LC50=95 ng/L)。 5. 轮胎微粒贡献大:轮胎磨损颗粒是微塑料主要来源,含复杂化学添加剂(如6PPD),对水生生物高毒。
塑料污染有多严重? 微塑料如何影响环境? 塑料添加剂有何危害?
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