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Non-Destructive Characterization of Mechanically Processed Waste Printed Circuit Boards: X-ray Fluorescence Spectroscopy and Prompt Gamma Activation Analysis
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering. Ecole Nationale Supérieure de Géologie, GeoRessources UMR 7359 CNRS, University of Lorraine, Vandoeuvre-lès-Nancy, France.
Ecole Nationale Supérieure de Géologie, GeoRessources UMR 7359 CNRS, University of Lorraine, Vandoeuvre-lès-Nancy, France.
Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München,Garching, Germany.
Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, Garching, Germany.
2019 (English)In: Journal of Composites Science, E-ISSN 2504-477X, Vol. 3, no 2, article id 54Article in journal (Refereed) Published
Abstract [en]

This work aimed to characterize the deportment/concentration and liberation/association of the metals and light elements within mechanically processed waste printed circuit boards (PCBs) that hold the complex and heterogeneous structure and distribution of different material components. Waste PCBs passed through a series of mechanical processing (i.e., comminution and sieving) for metal recovery and were then characterized without further destroying the particles in order to capture their heterogeneity. The characterizations were performed in a laboratory and large-scale neutron facility. The results obtained with a portable X-ray fluorescence spectroscopy and prompt gamma activation analysis were compared and confirmed the good agreement and complementarities in general. The advantages and disadvantages of the two different methods were identified and discussed in this paper, in relation to their application to the analysis of mechanically processed PCB particles.

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 3, no 2, article id 54
Keywords [en]
deportment/concentration, metal, plastic, liberation/association, elemental analysis, neutron
National Category
Engineering and Technology Other Environmental Engineering
Research subject
Waste Science and Technology
Identifiers
URN: urn:nbn:se:ltu:diva-77027DOI: 10.3390/jcs3020054OAI: oai:DiVA.org:ltu-77027DiVA, id: diva2:1374530
Note

Validerad;2019;Nivå 1;2019-12-03 (johcin)

Available from: 2019-12-02 Created: 2019-12-02 Last updated: 2019-12-03Bibliographically approved

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