Är återvinningsanläggningar redo för solceller innehållande nanotrådar?
Sammanfattning: The rise of solar cells have been received with open arms as a renewable energy resource in Sweden. The new generation of solar cells containing semi conductive type III-V nanowires may pose, without proper safety measures, negative implications on health and the environment. In this study an overview of possible risks is considered in the waste management with solar cells containing nanowires. Also, a growth estimation of installed solar cells and number of solar cells directed to the waste management in the future was made by analyzing available data. The result revealed that both the Swedish powergrid system and waste management can expect an increased quantity of solar cells in the future. In order to understand how solar cells are treated and identify possible risks with solar cells containing nanowires in the waste management an interview with a waste management corporation was performed. From the interview, possible risks were identified and mapped in the treatment process at waste management of solar cells e.g. when treating solar cells by deconstruction or separation. The waste management methods could possible lead to exposure of nanowires if adequate safety measures are not adopted when treating the next generation solar cells. It is at great importance to further increase the knowledge of risks and treatment methods in the waste management in order to avoid future health inconveniences.
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