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A review of the recycling of non-metallic fractions of printed circuit boards
André Canal Marques 1 , José-María Cabrera Marrero 2 , Célia De Fraga Malfatti 3
1  Metallurgy Department (DEMET)/ PPGE3M, Federal University of Rio Grande do Sul, Porto Alegre, Brazil and UNISINOS, Porto Alegre, Brazil
2  ETSEIB-Department of Materials Science and Metallurgical Engineering, Universidad Politécnica de Catalunya, Barcelona, Spain
3  Metallurgy Department (DEMET)/ PPGE3M, Federal University of Rio Grande do Sul, Porto Alegre, Brazil

Published: 09 October 2013 by Springer Nature in SpringerPlus
Springer Nature, Volume 2; 10.1186/2193-1801-2-521
Abstract: There is a big waste generation nowadays due to the growing demand for innovation and the fact that more and more products have a reduced lifetime, increasing the volume of dumps and landfills. Currently, one of the segments of large volume is the technology waste, which reflects on the printed circuit boards (PCBs) that are the basis of the electronics industry. This type of waste disposal is difficult, given that recycling is complex and expensive, because of the diversity of existing materials and components, and their difficult separation process. Regarding the material involved in PCBs, there are metal fractions (MFs) and non-metallic fractions (NMFs), of which the recycling of NMFs is one of the most important and difficult processes, because they amount to about 70% of the weight of the PCB’s waste. In the present paper, a literature review of the recycling of non-metallic fractions (NMFs) has been carried out, showing different studies and guidelines regarding this type of recycling, emphasizing that this type of waste still lacks for further application.
Keywords: Recycling, Printed Circuit Boards, waste electrical and electronic equipment (WEEE), Non-metallic Fractions (nmfs)
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