Influences of use activities and waste management on environmental releases of engineered nanomaterials

The Science of the Total Environment
Henning WiggerArnim von Gleich

Abstract

Engineered nanomaterials (ENM) offer enhanced or new functionalities and properties that are used in various products. This also entails potential environmental risks in terms of hazard and exposure. However, hazard and exposure assessment for ENM still suffer from insufficient knowledge particularly for product-related releases and environmental fate and behavior. This study therefore analyzes the multiple impacts of the product use, the properties of the matrix material, and the related waste management system (WMS) on the predicted environmental concentration (PEC) by applying nine prospective life cycle release scenarios based on reasonable assumptions. The products studied here are clothing textiles treated with silver nanoparticles (AgNPs), since they constitute a controversial application. Surprisingly, the results show counter-intuitive increases by a factor of 2.6 in PEC values for the air compartment in minimal AgNP release scenarios. Also, air releases can shift from washing to wearing activity; their associated release points may shift accordingly, potentially altering release hot spots. Additionally, at end-of-life, the fraction of AgNP-residues contained on exported textiles can be increased by 350% when assuming ...Continue Reading

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Citations

Jun 20, 2015·The Science of the Total Environment·Gabriele E SchaumannHans-Jörg Vogel
Mar 14, 2016·Environmental Pollution·Alejandro Caballero-Guzman, Bernd Nowack
Aug 16, 2016·Environment International·Danail HristozovAntonio Marcomini
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Feb 13, 2021·Ecotoxicology and Environmental Safety·Fuad AmeenSaleh ALNadhari
Jun 19, 2019·The Science of the Total Environment·Sarah PonteAnna Christina Tyler
Feb 27, 2018·Waste Management·Florian PartMarion Huber-Humer
Jul 31, 2021·The Science of the Total Environment·Jejal Reddy BathiVenkataramana Gadhamshetty

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