PROCESS FOR TREATING SPENT PHOTOVOLTAIC PANELS

The invention relates to a process for the treatment of photovoltaic end-of-life panels, such as those made of CdTe and crystalline and amorphous silicon. The process involves automated physical and chemical operations that, combined in a sequence, allow recovering glass in the first place and also...

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Main Authors TORO, LUIGI, GRANATA, GIUSEPPE, MOSCARDINI, EMANUELA, PAGNANELLI, FRANCESCA
Format Patent
LanguageEnglish
French
Published 20.11.2014
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Summary:The invention relates to a process for the treatment of photovoltaic end-of-life panels, such as those made of CdTe and crystalline and amorphous silicon. The process involves automated physical and chemical operations that, combined in a sequence, allow recovering glass in the first place and also tellurium, zinc, cadmium, iron, and concentrate silicon, T1O2 and silver. By means of this process the different types of panel can also be treated all together, without any kind of preliminary selection. The process guarantees a recovery of glass of 80 to 85% by weight, which alone can satisfy the minimum target for the recovery of material imposed by the recent European directive 2012/19/EU. Cette invention concerne un procédé de traitement des panneaux photovoltaïques en fin de vie, tels que ceux à base de CdTe et de silicium amorphe. Le procédé implique des opérations physiques et chimiques automatisés qui, combinées en séquence, permettent de récupérer le verre en premier lieu, et également le tellure, le zinc, le cadmium, le fer, et le silicium concentré, le TiO2 et l'argent. Différents types de panneaux peuvent également être traités tous ensemble, sans aucun type de sélection préliminaire. Le procédé garantit un taux de récupération du verre de 80 à 85 % en poids, qui à lui seul peut satisfaire l'objectif minimal de récupération des matériaux imposé par la récente directive européenne 2012/19/EU.
Bibliography:Application Number: WO2014IT00124