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Chemical Characterization of Nanoparticle Emissions from Brakes - The nPETS Project
Technical Paper
2022-01-1182
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
nPETS - nanoParticle Emissions from the Transport Sector - is an EU- funded project within the Horizon 2020 research and innovation program, with the aim of characterizing specifically the emission amount, the chemical composition and the toxicological behavior of nano-particulates produced by different exhaust and non-exhaust emission sources related to the transport sector. Started in June 2021, its final goal is to provide a wide scientific background for informed public health policies aiming to tackle transport-related nano-particulates, while developing sound technologies for their collection, chemical analysis and toxicological characterization. In particular, the chemical characterization of the collected nano-particulates is of fundamental importance in determining the presence of univocal markers for specific emission sources in different environments. Furthermore, it plays a pivotal role in explaining nano-emissions environmental and toxicological interactions, which will be studied during the second half of the project. With specific reference to the non-exhaust nano-particulates generated during braking operations, this paper summarizes the results obtained during the first period of project activities. More specifically, dedicated collection procedures, measurement protocols and physico-chemical characterization of brakes ultra-fine emissions are described and discussed. Notably, a comprehensive study of the chemical composition of brake emissions of nanometric dimensions is still lacking in literature. To this end, this paper reports for the first time a comparative assessment between the chemical composition of the brake emissions from nanometric dimensional fraction (d50 < 150 nm) with respect to those from coarser fractions.
Authors
Citation
Mancini, A., Tsyupa, B., Federici, M., Leonardi, M. et al., "Chemical Characterization of Nanoparticle Emissions from Brakes - The nPETS Project," SAE Technical Paper 2022-01-1182, 2022, https://doi.org/10.4271/2022-01-1182.Also In
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