Journal
RECYCLING
Volume 8, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/recycling8050071
Keywords
waste electrical and electronic equipment (WEEE) plastics; brominated flame retardants (BFRs); X-ray fluorescence (XRF); legislation; Latin America; Europe
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Countries with emerging legislation on WEEE but limited infrastructure can learn from more robust systems to develop adaptable and socioeconomically viable management schemes. Additives in plastic waste from electronic goods can introduce hazardous characteristics, highlighting the need for legislation to reduce risks and maximize resource recovery. A baseline study of WEEE plastics in Scotland and Uruguay shows that regulatory frameworks have a significant impact on material recyclability. Future actions for a more sustainable regulatory approach are identified.
Countries with emerging legislation on the waste electrical and electric equipment (WEEE), but limited infrastructure, may find in other, more robust, systems the tools to develop adaptable and socioeconomically viable management schemes. Additives found in the plastics in electronic goods, such as brominated flame retardants (BFRs), are components of a safety system, but introduce characteristics that result in their waste being hazardous. Established and emerging regulatory systems need to implement legislation that impacts the management of WEEE, to reduce risks to human health and the environment, while maximising opportunities for resource recovery from widely varying materials. To assess the context of developed and emerging regulatory systems, a baseline study was undertaken of WEEE plastics in Scotland and Uruguay. For the identification of BFRs in plastics, an internationally validated screening methodology using X-ray fluorescence was adopted at different processing operations. It was observed that, using a threshold of 830 mg/kg for Br as a BFR tracer, in Scotland, more than 70% of the plastics would be recyclable, while, in Uruguay, that fraction dropped to 50%. These results, and the wider literature discussion, highlight the impact that regulatory frameworks have on the quality and recyclability of recovered material. We identify future actions to be considered by policy-makers for a more sustainable regulatory approach.
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