Experimental Study on Fluorine Release from Photovoltaic Backsheet Materials Containing PVF and PVDF during Pyrolysis and Incineration in a Technical Lab-Scale Reactor at Various Temperatures.

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ID: 50134
2019
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Abstract
With a sharp increase in photovoltaic (PV) installations across the world, PV waste is now a relatively new addition to the e-waste category. From 45,000 tonnes in 2016, the PV waste stream is rapidly increasing and is projected to reach 60 million tonnes by 2050. Backsheets are composite structures made from several material layers of polymer, adhesive, and primer. Widely used PV backsheets can be classified into three core types: (a) KPK (Kynar/polyethylene terephthalate (PET)/Kynar), (b) TPT (Tedlar/PET/Tedlar), and (c) PPE (PET/PET/ethylvinylacetate). Kynar and Tedlar are based on polyvinylidene fluoride (PVDF) and polyvinyl fluoride (PVF), respectively. PPE backsheets are fluorine-free composites made primarily from PET. With increasing focus on the end-of-life (EoL) handling of PV waste, the handling of fluoropolymers, which is largely unexplored, requires closer examination to avoid environmental damage. The aim of this study was to obtain information on the fluorine released from PV backsheet materials into the gas phase during combustion and pyrolysis as EoL pathways. Therefore, several experimental trials were conducted to measure fluorine transfer into the gas phase at 300 °C, 400 °C, 500 °C, and 900 °C (for pyrolysis) and at 750 °C, 850 °C, and 950 °C (for incineration).
Reference Key
danz2019experimentaltoxics Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Danz, Philipp;Aryan, Venkat;Möhle, Edda;Nowara, Nicole;
Journal Toxics
Year 2019
DOI
E47
URL
Keywords
pv backsheet pvdf/pvf end-of-life treatment fluoropolymers pyrolysis and incineration biological control biopesticide entomopathogenic fungi metarhizium anisopliae fucus vesiculosus pyrenochaetopsis sp. bioactivity-based molecular networking decalin tetramic acid marine fungus phomasetin pyrenosetin

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