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The Possibility for Environmental Friendly Recycling of Printed Circuit Boards

Journal of Sustainable Development of Energy, Water and Environment Systems
Volume 4, Issue 1, pp 14-22
DOI: http://dx.doi.org/10.13044/j.sdewes.2016.04.0002
Vitomir Premur1, Aleksandra Anić Vučinić1 , Dinko Vujević1, Gordan Bedeković2
1 Department of Environmental Engineering, Faculty of Geotechnical Engineering, University of Zagreb, Hallerova aleja 7, HR-42000 Varaždin, Croatia
2 Department of Mining and Geotechnical Engineering, Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Pierottijeva 6, HR-10000 Zagreb, Croatia

The goal of this work is to find a solution for disposal of Vitroplast FR4, a material found in waste printed circuit boards. In this study, the influence of addition of Vitroplast, generated by mechanical treatment of printed circuit boards waste on concrete properties such as compressive strength was investigated in laboratory conditions. By substitution of filler (i.e. sand) in a mass ratio of 5, 10, 15 and 20% with Vitroplast in concrete mixture, the compressive strength decreased into 57.5, 84.5, 95.0 and 95.9%. The results of leaching tests have shown that by incorporating Vitroplast in concrete mixtures in a 10% mass ratio, the elution of arsenic and cadmium is below the limitations prescribed for inert wastes. The studied approach offers the possibility for environmental friendly recycling of printed circuit boards.

Keywords: Printed circuit boards, Recycling, Vitroplast FR4, Concrete production, Waste management, Environmental protection.

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